Shanghai Huabang Industrial Business Network - electricity meter

[electricity meter]PKDM300 type three-phase rail type electric energy meter

2026-6-17 14:07:12

PKDM300 three-phase rail type electric energy meter

[electricity meter]PKDM300F Three phase rail type multi rate electricity meter

2026-6-17 14:07:03

The PKDM300F three-phase rail type multi rate energy meter is suitable for installation in compact energy metering cabinets or cabinets. It comes standard with an RS485 communication interface and is compatible with various configuration systems through the standard Modbus protocol. This enables real-time transmission of electrical parameters collected by the front-end to the system data center, facilitating automation management of electricity usage. The maximum current that can be directly connected is 100 amperes, and it can measure up to 8 time periods and 3 different rates of active energy in a day. At the same time, it can store the energy data of the past 3 months.

Technical parameters of PKDM300F three-phase rail type multi rate electric energy meter

parameter item		content
Input	Wiring	three-phase four-wire
	voltage	380V
		Power consumption �� 5VA/phase
		Rated voltage: 0.9~1.1Un; maximum voltage: 0.7~1.2Un
	electric current	5A (external CT), directly connected to 16A, 32A, 63A, 100A
		Minimum current 20mA
		Power consumption �� 4VA/line
	frequency	45 ~ 65Hz
	Accuracy	1%
RS485 communication		2-wire RS485 interface (Modbus RTU protocol)
Electric energy pulse		Electric pulse (optocoupler)
		Constant: [See product label]
		Pulse width: 80ms ± 20ms
Voltage resistance		2kVAC/minute (input/output)
Voltage resistance		Input/shell; Output/shell>50M ��
Installation		Standard 35mm guide rail
standard		EN61036; EN50022
environment		Working temperature: -20C~+55C
		Storage temperature: -40C~+70C
		Relative humidity: 5%~95% (no condensation)
		Altitude:<2500m
other		Size: 126 × 89 × 74 (mm)
other		Weight: 500g

[electricity meter]PKDM100 single-phase rail type electric energy meter

2026-6-17 14:06:55

The PKDM100 single-phase rail type energy meter is suitable for installation in compact energy metering cabinets or cabinets. It comes standard with an RS485 communication interface and is compatible with various configuration systems through the standard Modbus protocol. This enables real-time transmission of electrical parameters collected by the front-end to the system data center, facilitating automation management of electricity usage. This series of electric energy meters has the advantages of small size and easy installation.

Technical parameters of PKDM100 single-phase rail type electric energy meter

parameter item		Content
Input	Wiring	single-phase
	voltage	220V
		Power consumption �� 5VA/phase
		Rated voltage: 0.9~1.1Un; maximum voltage: 0.7~1.2Un
	electric current	5A (external CT), directly connected to 16A, 32A, 63A, 100A
		Minimum current 20mA
		Power consumption �� 4VA/line
	frequency	45 ~ 65Hz
	Accuracy	1%
RS485 communication		2-wire RS485 interface (Modbus RTU protocol)
Electric energy pulse		Electric pulse (optocoupler)
		Constant: [See product label]
		Pulse width: 80ms ± 20ms
Voltage resistance		2kVAC/minute (input/output)
Voltage resistance		Input/shell; Output/shell>50M ��
Installation		Standard 35mm guide rail
standard		EN61036; EN50022
environment		Working temperature: -20C~+55C
		Storage temperature: -40C~+70C
		Relative humidity: 5%~95% (no condensation)
		Altitude:<2500m
other		Size: 76 × 89 × 74 (mm)
other		Weight: 350g

[electricity meter]DTF39 series three-phase multi rate electricity meter

2026-6-17 14:06:46

The DTF39 three-phase multi rate electricity meter is a new generation product developed by our company after extensively listening to the opinions of power supply system experts and users, absorbing new foreign technologies.
This product complies with the requirements of GB/T17215-98 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T15284-94 "Multiple Rate (Time of Use) Energy Meters".

Main functions and features of DTF39 series three-phase multi rate electricity meter
Industrial grade products with long lifespan and good performance are selected for chips, LCD displays, and crystal oscillators;
High integration, simple peripheral circuits, reasonable layout, good overall integrity, small size, and easy installation;
Has strong anti-interference and high-voltage impact resistance, with a wide working voltage range;
Equipped with prevention function and password;
It has anti-theft function and is equipped with anti-theft display alarm.

Technical indicators of DTF39 series three-phase multi rate electricity meter
Daily timing error: �� 0.3s
Temperature coefficient: 0.1s/(d º C)
Working voltage range: 70% to 110% rated voltage
Signal acquisition error: �� 1 × 10
Power consumption<2W
Operating temperature: -25 º C to+55 º C
Storage and transportation temperature: -30 º C to+65 º C
Battery capacity: �� 1.2Ah
Storage period: �� 10 years
LCD display: �� 100000 hours

[electricity meter]DDF39 single-phase multi rate electricity meter

2026-6-17 14:06:38

The DDF39 single-phase multi rate electricity meter is an electromechanical integrated energy metering instrument. It uses the DD118 series base meter and a Chinese LCD display. The top (peak), peak, flat, and valley rates can be selected for energy metering. It can be directly controlled by infrared remote control or programmed and read on a handheld computer, with optocoupler pulse output interface and power-off meter reading function.

[electricity meter]DDSI38 single-phase electronic (anti-theft) carrier wave energy meter

2026-6-17 14:06:30

The DDSI38 single-phase electronic carrier energy meter and single-phase electronic anti-theft carrier energy meter (hereinafter referred to as the energy meter) not only have the characteristics of high measurement accuracy and low power consumption, but also have functions such as carrier communication and relay control. Suitable for residential and industrial users' electricity metering and control.

Technical parameters of DDSI38 single-phase electronic (anti-theft) carrier wave energy meter
Accuracy level: 1.0 (single-phase electronic carrier energy meter)
2.0 (Single phase electronic anti-theft carrier wave energy meter)
Pulse constant: 3200/1600imp/kWh
Reference frequency: 50Hz
Calculation range: 00000.0~99999.9kWh
Carrier communication: direct sequence spread spectrum, phase shift keying, center frequency 120K, bandwidth 15KHz
Rated voltage: 220V
Power supply voltage: 220V ± 20%
Reference current: 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A, etc
Power pulse output parameters: pulse width of 80 ms ± 20%, 5-24V DC voltage provided externally

[electricity meter]DTSI118 Type Three phase Electronic Carrier Energy Meter

2026-6-17 14:06:21

The DTSI118 three-phase electronic carrier energy meter (hereinafter referred to as the energy meter) not only has the characteristics of high measurement accuracy and low power consumption, but also has functions such as carrier communication and relay control. Suitable for residential and industrial users' electricity metering and control.

Technical parameters of DTSI118 three-phase electronic carrier energy meter
Accuracy level: 1.0
Pulse constant: 800/400imp/kWh
Reference frequency: 50Hz
Calculation range: 00000.00~99999.99kWh
Carrier communication: direct sequence spread spectrum, phase shift keying, center frequency 120K, bandwidth 15KHz
Rated voltage: 3 × 220/380V
Power supply voltage: 220V ± 20%
Reference current: 3 × 1.5 (6) A, 3 × 10 (40) A, 3 × 15 (60) A, 3 × 20 (80) A
Power pulse output parameters: pulse width of 80 ms ± 20%, 5-24V DC voltage provided externally

[electricity meter]DTS(X)39 type three-phase four wire active/reactive combination meter

2026-6-17 14:06:13

The DTS (X) 39 three-phase four wire active/reactive combined energy meter is a device that uses a large LCD display screen to simultaneously display active and reactive power. It has records of A, B, and C three-phase voltage, three-phase current, power factor, and phase failure time, as well as an infrared communication interface and infrared remote control readout switch. It can measure the total active and reactive energy of electricity and has the total active and reactive energy of the previous month.

The DTS (X) 39 three-phase four wire active/reactive power combination meter is widely used in power metering terminals and general users' power metering meters, and can replace two active and reactive energy meters, as well as voltage, current, power factor meters, etc.

Main functions of DTS (X) 39 three-phase four wire active/reactive power combination meter
Measurement of active total electrical energy
Measurement of total reactive energy
A. Measurement of three-phase voltage for B and C
A. B, C three-phase current measurement
A. Measurement of three-phase and total power factors for B and C
Infrared communication (collecting electricity)
Last month's total active and reactive power, three-phase voltage A, B, and C, three-phase current A, B, and C, three-phase A, B, and C, and total power factor (using infrared remote reading switch)
A. B, C three-phase phase failure indication

[electricity meter]DD118 single-phase (long-life) electricity meter

2026-6-17 14:06:05

The DD118 single-phase (long-life) electricity meter has high overload, high stability, and long-life electrical and mechanical performance requirements for modern electricity meters.
The adjustment mechanism of this type of electricity meter has the adjustment method required by contemporary electricity meters, that is, the adjustment of light load, full load, and phase angle are all stepless variable mechanisms, and are all set in obvious positions, with the adjustment direction indicated by arrows. The starting current and anti submergence point do not need to be adjusted, and are completed by two anti submergence holes on the disc. The electromagnetic components are positioned with locating pins on the base frame, ensuring stable performance and good consistency. The counter is fixed and easy to disassemble.

The lower bearing of the DD118 single-phase (long-life) electric meter is a magnetic thrust bearing, and the guide bearing is composed of a lubricating graphite bushing and stainless steel needle, ensuring the stability and long life of the meter.

Technical parameters of DD118 single-phase (long-life) electricity meter
Rated voltage: 220V
Accuracy: 2.0
Calibration current: 1.5 (6) A, 2.5 (10) A, 3 (6) A, 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A, 30 (100) A

[electricity meter]DDZY9898 single-phase prepaid electricity meter

2026-6-17 14:05:56

DDZY9898 single-phase prepaid electricity meter

[electricity meter]DDSY879-E single-phase prepaid electricity meter

2026-6-17 14:05:48

DDSY879-E single-phase prepaid electricity meter has a prepaid function, which can be recharged by inserting an IC card. If the cost is insufficient, it will automatically shut down (with remote communication interface)

DDSY879-E single-phase prepaid electricity meter technical parameters:

Voltage specification: 220V
Current specifications: Full specifications
Display mode: LCD
Automatic power-off: supported
Overcurrent protection: Supports
Accuracy level: 1.0/2.0
Communication interface: pulse RS485�� infrared
Dimensions: 137 * 110 * 60 (mm)
Installation size: 133 * 90 (mm)

[electricity meter]DDSY422 Electronic single-phase prepaid energy meter

2026-6-17 14:05:45

The DDSY422 fully electronic single-phase prepaid energy meter is a new product manufactured using advanced solid-state integration technology and SMT process. Its characteristics are high precision, high overload, high sensitivity, and low power consumption. It is an AC single-phase active energy meter with a rated frequency of 50HZ for metering, and realizes the pre order function of buying before using. The international standard universal RF card is used for data transmission, and its functional indicators comply with all technical requirements in IEC1036, GB/T17215, and GB/T18460 standards.

The main functional features of DDSY422 electronic single-phase prepaid energy meter are:
1. Apply computer network management, purchase electricity first and then use it, one meter, one card, dedicated card, no power loss after card loss, replenish card before use, and encrypt the data inside the card.
2. The maximum operating power can be limited within the rated current range.
3. The electric card can transmit data bidirectionally, read back the remaining power, accumulated electricity consumption in the meter, total number of power purchases, meter constants, and other information.
4. The energy meter automatically calculates the user's electricity consumption and can provide warning prompts. Remind users to purchase electricity in a timely manner when the remaining power in the table is less than the preset alarm power. Overload alarm and power outage. The user can continue to use electricity by inserting the card. When the power is zero, the power will automatically trip and cut off.
5. LCD display shows total consumption, remaining power, and electricity usage status

DDSY422 Electronic Single phase Prepaid Energy Meter Main Technical Parameters:

model	DDSY422
standard	GB/T17215-2002 ��GB/T18460-2001
Precision level	Level 1.0
power consumption	��1W,4VA
rated voltage	220V
rated current	5(20)A��10(40)A��15��60��20��80��
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

DDSY422 electronic single-phase prepaid energy meter

[electricity meter]DTSY79 Three phase prepaid electricity meter

2026-6-17 14:05:40

The DTSY79 three-phase prepaid electricity meter has a prepaid function, which can be recharged by inserting an IC card. If the cost is insufficient, it will automatically cut off power

Voltage specification: 3 * 220V/380V
Current specification: 3 * 1.5 (6) A to 20 (80) A
Display mode: digital tube
Automatic power-off: supported
Overcurrent protection: Supports
Accuracy level: 1.0/2.0
Communication interface: Pulse
Dimensions: 219 * 143 * 73 (mm)
Installation size: 207 * 131 (mm)

DTSY79 three-phase prepaid electricity meter

[electricity meter]DDSY879-GY single-phase prepaid electricity meter

2026-6-17 14:05:31

DDSY879-GY single-phase prepaid electricity meter

[electricity meter]DTSY122 Electronic three-phase four wire prepaid energy meter

2026-6-17 14:05:26

The DTSY122 electronic three-phase four wire prepaid energy meter is a new type of energy meter developed using the latest microcontroller technology. It completes the pre paid electricity management and load control functions of buying electricity first and then using electricity. It can effectively solve the problem of overdue electricity bills, curb overcapacity and electricity theft, realize the commercialization of electricity, and effectively control and regulate the load of the power grid. It is an ideal product. The international standard universal IC card is used for data transmission, and its functional indicators comply with all technical requirements in IEC1036, GB/T17215, and GB/T18460 standards.

The main functional features of DTSY122 electronic three-phase four wire prepaid energy meter are:
1. User pre order electricity, pre-set maximum load limit, alarm electricity setting, IC card password setting, IC card data transmission.
2. Store factory table number, table constant, user address, name and other information.
3. Read back information such as remaining power, accumulated negative power in the meter, and total number of power purchases.
4. Remaining power alarm, overload alarm, and power-off control when the power is zero.
5. High precision, high overload, high reliability, low power consumption, anti electricity theft.
6. The meter displays the total power consumption, and the digital display shows various power consumption conditions.

DTSY122 Electronic Three phase Four wire Prepaid Energy Meter Main Technical Parameters:

model	DTSY122
standard	GB/T17215-2002 ��GB/T18460-2001
Precision level	Level 1.0
power consumption	��1W,4VA
rated voltage	3×380/220V
rated current	1.5(6)A��5(20)A��10(40)A��15��60��20��80��
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

DTSY122 electronic three-phase four wire prepaid energy meter

[electricity meter]DTSY79-GY Three phase prepaid electricity meter

2026-6-17 14:05:23

DTSY79-GY Three phase Prepaid Electric Meter

[electricity meter]DDSY879 Single phase ladder prepaid electricity meter

2026-6-17 14:05:15

DDSY879 single-phase stage A prepaid electricity meter

[electricity meter]DDS879-E single-phase electricity meter

2026-6-17 14:05:07

DDS879-E single-phase electronic energy meter is a single-phase energy meter designed based on market demand, using specialized large-scale integrated circuits and high-performance MCUs for measurement. It features LCD display of various information, infrared and RS485 communication interfaces, and can be used to measure single-phase AC active energy with a rated frequency of 50Hz.

DDS879-E single-phase electricity meter can be installed in indoor or outdoor meter boxes, suitable for use in environments with temperatures ranging from -30 �� to 60 �� and relative humidity not exceeding 85%.
The performance indicators of DDS879-E single-phase electricity meter meet the technical requirements for static single-phase energy meters in GB/T 17215 standard.

DDS879-E single-phase electricity meter functions and features:
Active energy metering, long-term operation does not require calibration
Equipped with LCD display
Equipped with infrared or RS485 communication meter reading function, capable of centralized reading and networking
The RS485 interface is electrically isolated from the meter and has a lightning protection circuit to withstand AC220V voltage attacks
Adopting specialized integrated circuits for electrical energy, with a wide dynamic operating range
Technical requirements for communication protocol DL/T645
Specifications and main technical parameters:
Voltage specification: 220V
Current specifications: 1.5 (6) A, 5 (20) A, 10 (40) A, 10 (60) A
Display mode: LCD
Accuracy level: 1.0/2.0
Communication interface: pulse RS485�� infrared
Starting current: Direct entry 0.4% lb (Level 1)
Mutual inductance type 0.2% ln (level 1)
Stealth: with anti creep logic design
Power consumption: �� 2W/10VA (overall power consumption)
Environmental conditions: Standard operating temperature is -20 ��~55 ��
The maximum working temperature is -30 ��~60 ��
Relative humidity �� 85%
Weight approximately: 0.60kg
Dimensions: 137 * 110 * 60 (mm)
Installation size: 133 * 90 (mm)

[electricity meter]DTZY9898 Three phase remote cost control intelligent energy meter

2026-6-17 14:04:58

DTZY9898 three-phase remote cost control intelligent energy meter has prepayment function. It can be recharged through the remote meter reading system and automatically cut off power when the cost is insufficient. It also has a remote communication interface

Technical parameters of DTZY9898 three-phase remote cost control intelligent energy meter

Voltage specification: 3 * 220V/380V
Current specification: 3 * 1.5 (6) A to 20 (80) A
Display mode: LCD
Remote power outage: supported
Reactive Power Measurement: Supports
Monitoring functions: current, voltage, power, power factor, demand, etc
Accuracy level: 1.0
Communication interface: pulse RS485�� infrared
Dimensions: 290 * 170 * 85 (mm)
Installation size: 256 * 150 (mm)

[electricity meter]DSSD122,DTSD222 Electronic three-phase multifunctional energy meter

2026-6-17 14:04:55

The DSSD122 and DTSD222 fully electronic three-phase multifunctional energy meters are designed and manufactured using advanced ultra-low power solid-state integration technology and SMT process. They are used for measuring AC active and reactive energy in a three-phase power grid with a rated frequency of 50HZ in a time-sharing manner. This meter adopts high-performance 32-bit embedded RISC CPU, energy meter specific integrated circuit, non-volatile memory for permanent information storage, LCD digital display and other technologies, realizing functions such as active and reactive energy, maximum demand time-sharing measurement, RS485 serial data and far-infrared communication, preset, meter reading, etc. Using dedicated POS machines and PC serial data communication ports as media to achieve information transmission between users and power supply department computers, in accordance with the technical requirements of DL/T645, DL/T614, GB/T17215, GB/T17882, and GB/T17883.

1. Time division metering of forward and reverse active power, four quadrant reactive power, can be displayed in any combination.
2. Time division measurement of positive and negative active power, maximum demand and occurrence time of reactive power in four quadrants
3. Two sets of time periods for primary and secondary, automatic error correction, and a maximum of 12 months of historical records can be recorded.
4. Automatically record and display three-phase voltage, current, and power. Record interval time of 1-100 minutes can be set arbitrarily.
5. The meter can display, record, and remotely transmit the maximum and minimum values of three-phase voltage and current, as well as the corresponding time, on a daily basis. It can also automatically accumulate the time of overvoltage according to the predetermined upper and lower limits of voltage, providing all data for assessing the voltage qualification rate.
6. It can achieve full voltage and current loss recording, alarm, and display functions according to the standards issued by the department, effectively preventing power loss caused by wiring errors or user theft.
7. The electricity meter has a standard RS485 interface, which can remotely transmit data such as electrical energy, maximum demand, three-phase power, voltage, current, etc. The communication protocol and data structure comply with the DL/T645-1997 standard.
8. You can choose from three options to set parameters: handheld computer infrared mode, RS485 interface, and manual mode.
9. High precision, high overload, high reliability, low power consumption, small size, light weight, and good structural performance. 10. Large screen Chinese characters, super distorted, wide temperature LCD display, clear and comprehensive prompts.

DSSD122, DTSD222 electronic three-phase multifunctional electric energy meter main technical parameters:

model	DSSD122 (three-phase three wire) DTSD222 (three-phase four wire)
standard	GB/T17215-2002�� GB/T17882-1999 GB/T17883-1999�� DL/T614-1997
Precision level	Active power 0.5S/1.0 level, reactive power 2.0 level
power consumption	��1W,4VA
rated voltage	3×100 3×380V 3×57.7/100V 3×220/380V
rated current	0.3��1.2��1.5��6��3��6��5��20��10��40��15��60��20��80��
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Clock error	�� 0.5s/d, Warm compensation
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

DSSD122, DTSD222 electronic three-phase multifunctional energy meter

[electricity meter]DTS79-DT Three phase rail type electric meter

2026-6-17 14:04:50

DTS79-DT three-phase rail type electric meter metering function:
It has the function of measuring in both forward and reverse directions, that is, reverse energy measurement in the forward direction.

DTS79-DT three-phase rail type electric meter display function: metering device
The battery display adopts a 7-digit LCD display, including 5 integer digits and 2 decimal digits; It can also be a 6-digit integer and a 1-digit decimal place; Record the cumulative total active power consumption in kilowatt hours.

Communication indicator light:
When the energy meter communicates with external devices, the communication indicator light lights up, indicating that the energy meter is in communication mode.
Output function:
Equipped with a passive isolation type electric energy pulse output port, the pulse output is a square wave with a pulse width of not less than 80ms ± 20%

Communication function:
RS485�� Pulse, infrared (optional)
Voltage specifications: 3 × 220/380V, 3 × 100V, 3 × 57.7/100V, 3 × 380V
Current specifications: 5 (30) A, 10 (40) A, 15 (60) A
Accuracy level: 1.0 or 2.0

Rated frequency: 50Hz or 60Hz
Power consumption: Voltage circuit �� 2W and 10VA
Current circuit �� 4VA
Working environment temperature: -20 �� to+55 ��,
Extreme working temperature: -45 �� to+70 ��.
Weight: Approximately 0.6kg
Dimensions: 125.5mm × 88mm × 74mm

[electricity meter]DDS879-DT Single phase electricity meter (rail type)

2026-6-17 14:04:42

DDS879-DT single-phase electric meter (rail type) has forward and reverse bidirectional metering function, that is, reverse energy forward metering.

DDS879-DT single-phase electric meter (rail type) display function:
The battery display adopts a 7-digit LCD display, including 5 integer digits and 2 decimal digits;
It can also be a 6-digit integer and a 1-digit decimal place; Record the cumulative total active power consumption in kilowatt hours.
LCD, Meter (optional)
Communication indicator light:
When the energy meter communicates with external devices, the communication indicator light lights up, indicating that the energy meter is in communication mode.

DDS879-DT single-phase electric meter (rail type) output function:
Equipped with a passive isolation type electric energy pulse output port, the pulse output is a square wave with a pulse width of not less than 80ms ± 20%
Communication function:
RS485�� Pulse, infrared (optional)
Rated voltage: 220V
Current specifications: 5 (30) A, 10 (40) A, 15 (60) A
Accuracy level: 1.0 or 2.0

[electricity meter]DDS879 single-phase electricity meter

2026-6-17 14:04:33

The DDS879 single-phase electronic energy meter adopts a dedicated integrated circuit, with few peripheral components, simple structure, high reliability, low power consumption, and long service life. It can be used to measure single-phase AC active energy with a rated frequency of 50Hz.

DDS879 single-phase electricity meter functions and features:
Active energy metering does not require calibration for long-term operation.
Equipped with LCD or metronomer (optional for Type II meters) display function.
Equipped with infrared or RS485 communication meter reading function, capable of centralized reading and networking.
It has a power outage display function and can be set to display for up to 6 days.
The RS485 interface is electrically isolated from the meter and has a lightning protection circuit to withstand AC220V voltage attacks.
Equipped with dual protection of hardware switches and software passwords to ensure data security.
The freezing and storage date of electric energy data can be set arbitrarily (at midnight on a specified day).
Adopting specialized integrated circuits for electrical energy, with a wide dynamic operating range.
The communication protocol DL/T645-1997 meets the technical requirements of single-phase electronic meters (non time division) in Zhejiang Province.

DDS879 single-phase electricity meter specifications and main technical parameters:
Rated voltage: 220V
Basic current: 1.5 (6) A, 2.5 (10) A, 5 (20) A, 10 (40) A, 10 (60) A
Rated frequency: 50Hz
Accuracy level: Level 1
Starting current: Direct input 0.4% Ib (level 1)
Mutual inductance 0.2% In (Level 1)
Stealth: with anti creep logic design
Power consumption: �� 2W/10VA (overall power consumption)
Environmental conditions: Standard operating temperature is -20 �� to 55 ��
The maximum working temperature is -30 �� to 60 ��
Relative humidity �� 85%
Weight: Approximately 0.60kg
Dimensions: 151 × 129 × 62 (mm)

[electricity meter]DDSF122 Electronic single-phase multi rate energy meter

2026-6-17 14:04:28

The DDSF122 fully electronic single-phase multi rate energy meter adopts advanced ultra-low power solid-state integration technology and SMT process design and manufacturing, and is used for supplying AC active energy in a single-phase power grid with a rated power of 50HZ for time-sharing metering. This meter adopts a dedicated integrated circuit for electric energy meters MCU�� Technologies such as non functional storage devices for permanently storing information and LED digital displays have enabled residents to use single-phase three rate time-sharing metering, RS485 serial data and far-infrared communication, preset, meter reading, and other functions. The information transmission between users and power supply department computers has been achieved through dedicated POS machines and PC serial data communication ports, which comply with the technical requirements of DL/T645, DL/T614, GB/T17215, and GB/T15284.

The main functional features of DDSF122 electronic single-phase multi rate energy meter are:
1. Time of use measurement: peak, off peak, and off peak rates, with electricity usage recorded for each of the 12 time periods.
2. Meter reading date: set at a certain day and time, store the 3-month rate electricity and total electricity for 12 months.
3. Wheel display function: Wheel display various data and self define various data and time for wheel display.
4. Broadcast school time.
5. Optocoupler pulse output.
6. Supports infrared and RS485 communication methods.
7. Communication protocol: DL/T645-1997 Multifunctional Energy Meter Communication Protocol
8. Communication baud rate: 1200bps, effective distance of infrared communication port not less than 4m
9. Clock accuracy: 0.5S/d.
10. Battery: 3.6V1.2AH lithium battery, with a normal lifespan of over 15 years under normal use. (The cumulative power outage time within 15 years shall not exceed 3 years)
11. High precision, high overload, high reliability, low power consumption, small size, light weight, good structural performance
12. Adopting various hardware and software anti-interference measures to ensure reliable operation of the electricity meter

Main technical parameters of DDSF122 electronic single-phase multi rate energy meter:

model	DDSF122
standard	DL/T614-1997��GB/T15284-2002��GB/T17215-2002
Precision level	Level 1.0
power consumption	��1W,2VA
rated voltage	220V
rated current	2(10)A,5(20)A,5(30)A,10(40)A,10(60)A,20(100)A
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Clock error	�� 0.5s/d, Warm compensation
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

DDSF122 electronic single-phase multi rate energy meter

[electricity meter]DTS79-D Three phase active power meter

2026-6-17 14:04:25

DTS79-D three-phase active power meter features: active energy measurement, long-term operation without calibration, three-phase power supply
It has a phase loss indicator function, and when all three phases have voltage, the phase loss indicator light is always on. When one or two phases experience a phase break, the corresponding phase break indicator light will turn off.
Wide voltage, current, and operating temperature range

Main parameters of voltage DTS79-D three-phase active power meter:

Specifications: 3 × 220/380V, 3 × 100V, 3 × 57.7/100V, 3 × 380V
Current specification: 3 × 1.5 (6) A to 30 (100) A
Display mode: Meter
Rated frequency: 50Hz
Power consumption: Voltage circuit �� 2W and 10VA
Current circuit �� 4VA
Environmental conditions: calibrated working temperature -20 �� to+45 ��
Extreme working temperature -40 ��~+55 ��
Relative humidity<85%
Weight: Approximately 1kg
Dimensions: 228mm × 145mm × 68mm

[electricity meter]DDS879-Y single-phase energy meter

2026-6-17 14:04:16

DDS879-Y single-phase energy meter function description: It has metering function, remote communication interface, and remote opening and closing function

Voltage specification: 220V
Current specifications: Full specifications
Display mode: LCD
Remote power outage: supported
Overcurrent protection: Supports
Accuracy level: 1.0/2.0
Communication interface: pulse RS485�� infrared
Dimensions: 137 * 110 * 60 (mm)
Installation size: 133 * 90 (mm)

DDS879-Y single-phase energy meter

[electricity meter]DTSD79-BF2 Three phase multifunctional electric meter

2026-6-17 14:04:07

DTSD79-BF2 Three phase Multi functional Electric Meter

Voltage specifications: 3 * 220V/380V, 3 * 57.7/100V, 3 * 100V, 3 * 380V (three-phase three wire)
Current specification: 3 * 1.5 (6) A to 30 (100) A
Display mode: LCD
Remote power outage: optional
Auxiliary power supply: optional
Monitoring functions: current, voltage, power, power factor, demand, etc
Accuracy level: Active power 0.2S
Communication interface: pulse, dual RS485, infrared

[electricity meter]DTS79-X Three phase reactive power meter (LCD)

2026-6-17 14:03:59

DTS79-X three-phase reactive power meter (LCD)

[electricity meter]DTSD79-GF Three phase multifunctional electric meter

2026-6-17 14:03:51

DTSD79-GF three-phase multifunctional electric meter function description: It has time-sharing metering and reactive power metering capabilities
The DTSD79-GF three-phase multifunctional electric meter has multiple functions such as parameter monitoring, data freezing, and monitoring of voltage and current loss

DTSD79-GF three-phase multifunctional electric meter
Voltage specifications: 3 * 220V/380V, 3 * 57.7/100V
3 * 100V, 3 * 380V (three-phase three wire)
Current specification: 3 * 1.5 (6) A to 30 (100) A
Display mode: LCD
Remote power outage: optional
Auxiliary power supply: optional
Monitoring functions: current, voltage, power, power factor, demand, etc
Accuracy level: active 0.5S
Communication interface: pulse, dual RS485, infrared
Dimensions: 265 * 170 * 75 (mm)
Installation size: 210 * 150 (mm)

[electricity meter]DTS79-W1 Three phase active power meter (large LCD)

2026-6-17 14:03:42

DTS79-W1 three-phase active power meter (large LCD)

[electricity meter]DTSD79-W1 Three phase multifunctional electric meter

2026-6-17 14:03:34

DTSD79-W1 Three phase Multi functional Electric Meter

Function description: Equipped with time-sharing metering and reactive power metering
Multiple parameter monitoring, data freezing, and pressure loss

DTSD79-W1 three-phase multifunctional electric meter with functions such as current loss monitoring
Voltage specifications: 3 * 220V/380V, 3 * 57.7/100V
3 * 100V, 3 * 380V (three-phase three wire)
Current specification: 3 * 1.5 (6) A to 30 (100) A
Display mode: LCD
Time sharing measurement: supports
Reactive Power Measurement: Supports
Monitoring functions: current, voltage, power, power factor, demand, etc
Accuracy level: Active 0.5, 1.0
Communication interface: pulse RS485�� infrared
Dimensions: 268 * 171 * 73 (mm)
Installation size: 215 * 150 (mm)

[electricity meter]DTS222 Three phase four wire electronic active energy meter

2026-6-17 14:03:29

The DTS222 fully electronic three-phase active energy meter is designed and manufactured using ultra-low power large-scale integrated circuits and SMT technology. It is equipped with a high reliability mechanical meter to accumulate and indicate electrical energy, and is used to measure AC active energy in a rated frequency of 50HZ three-phase power grid. Complies with all technical requirements of Class 1.0 three-phase energy meters in IEC1036 and GB-T17215.

The main functional features of DTS222 three-phase four wire electronic active energy meter are:

1. High precision, high reliability, wide load capacity, low power consumption, small size, light weight, and good structural performance.
2. Has three-phase voltage loss indication for A, B, and C.
3. When one phase of a three-phase three wire network and two phases of a three-phase four wire network experience a power outage, the energy meter can still measure normally.
4. Equipped with a photoelectric coupling pulse interface.

Main technical parameters of DTS222 three-phase four wire electronic active energy meter:

model	DTS222
standard	GB/T17215-2002
Precision level	Level 1.0
power consumption	��1W,3VA
rated voltage	3×380/220V
rated current	1.5(6),5(20)A, 10(40)A,10(60)A,20(100)A
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

[electricity meter]DDZY422-Z single-phase cost controlled intelligent energy meter

2026-6-17 14:03:26

DDZY422-Z single-phase cost control intelligent energy meter

[electricity meter]FKGB42-0095 type power load management terminal

2026-6-17 14:03:17

The FKGB42-0095 power load management terminal adopts a high-performance 32-bit embedded RISC CPU hardware platform, an embedded real-time operating system, and can communicate with the power load management master station using mobile public network GPRS/CDMA or other communication methods. The terminal implements local power and electricity control according to the planned electricity consumption indicators sent by the main station, and can also directly receive remote control commands from the main station to control the user's load. The terminal can actively report or respond to call reports on the user's electricity parameters, the results of load control, as well as important information and alarm messages during terminal operation. The terminal supports data acquisition for multiple protocols of electric energy meters. The terminal adopts a dot matrix LCD display, menu driven, and simple and intuitive operation. As an intelligent collection and execution terminal in load control and management systems, it is widely used in large users, substations, and distribution substations, providing reliable technical means for orderly electricity use, safe electricity use, and electricity inspection.

The main functions of FKGB42-0095 power load management terminal are:
1. Measurement function:
1) Measure the positive and negative active power of the total and various rates.
2) Measure the total and absolute value of reactive power in all four quadrants and any two quadrants for each rate.
3) Measure the maximum positive active and reactive power demand for the total and various rates, as well as the time of occurrence.
4) Effective value of three-phase voltage.
5) Effective value of three-phase current.
6) Three phase power factor and total power factor.
7) Three phase instantaneous active power and instantaneous reactive power.
2. Measurement function
The main sources of data collection for the terminal include measurement data from the terminal itself, pulse outputs from other energy meters, RS485 outputs (from meters, AC sampling devices, or other intelligent devices), as well as switch auxiliary contacts, door contacts, etc. It can measure AC current such as voltage, current, power, electricity quantity, power factor, maximum demand, etc.
2.1 Collection volume:
1) Local measurement data
2) 4-channel pulse input
3) 4-channel switch input (switch auxiliary contact, door contact)
4) Intelligent device input with RS485 interface.
2.2 Collection cycle
The pulse acquisition calculation cycle is 1 minute. The sampling period for the auxiliary contacts of the trip switch is 1 second, and the default sampling period for terminal meter data is 15 minutes, which can be set within the range of 1 minute to 60 minutes. The pulse power and calculation method adopt an approximate 1-minute calculation of average power, while refreshing the display.
2.3 Collecting and generating data
The data collected and calculated by the load management terminal can be divided into the following categories.
(1) Real time and current data
(2) Historical daily data
(3) Historical monthly data
3. Parameter tuning and querying:
The terminal receives and saves the parameters set by the main station
4. Remote control tripping and closing function:
The terminal controls the terminal according to the control commands issued by the main control station. The remote control commands issued by the main console include control rounds, alarm time, and control (power restriction) time.
5. Local closed-loop control
5.1 Power Control
The internal switch of the customer terminal is divided into several rounds according to the load category. When the power control is activated, the current load value is automatically recorded. When the load exceeds the set value, the terminal automatically trips in the order of the activated rounds and delay time, causing the load to drop below the set value and recording the current load value. When the power is below the set value, the remaining switches will no longer trip.
Power control includes time period power control, factory shutdown control, business shutdown control, and current power reduction control. In the case of effective time period control, factory rest control, and current power reduction control, the current power reduction control takes priority, followed by business shutdown control, factory rest control, and time period control has the lowest priority. When implementing the above power control, various power settings should be compared with the security settings first. If they are greater than the security settings, they should be executed according to their respective settings. If they are less than the security settings, they should be executed according to the security settings. If the main station does not issue the security settings, the terminal defaults to the maximum number supported by the communication protocol.
May 2nd Electricity Control
In the case of monthly electronic control input, when the actual monthly electricity consumption of the user reaches 80% of the monthly electricity consumption set value, the terminal will automatically sound and light an alarm twice a day (10 o'clock, 15 o'clock). When the actual monthly electricity consumption exceeds the monthly electricity consumption set value, the terminal will automatically trip in the order of the input rounds and delay time (1 minute), restricting the user from using electricity again. The terminal simultaneously records the monthly electricity alarm time, actual electricity consumption, and the time and amount of electricity at the end of the trip; At midnight on the first day of the following month or when the current month's electricity control is lifted, automatic closing is allowed.
6. Electricity purchase control
1) Basic parameters for purchasing electronic controls
The terminal stores the following parameters issued by the main station: purchase order number, current purchase quantity, purchase method (add or refresh), alarm quantity threshold, and trip quantity threshold.
2) Process description for purchasing electronic control
(1) The main station sends the purchase order number, purchase amount, alarm amount, trip amount, and sets the purchase control input and control cycle.
(2) When the terminal is in a non power protection state, initiate control.
(3) The conditions for restoring the closing of the purchased electronic control.
7. Power protection function
When the terminal is in power on mode, no trip signal is output, but the terminal control logic still executes.
When the terminal does not receive a call test command from the main station within a certain period of time, the terminal will automatically enter the power protection state. This time is the automatic power protection time when the terminal has no communication, which can be set by the main station.
If the terminal loses power for more than two minutes, it is considered a power outage. At this time, when the terminal is powered on, it will automatically enter a power on state for 10 minutes.
The above power protection states can be exited by issuing a power protection release command from the main station.
8. Remove function
When the terminal receives the discard input command, it does not respond to any broadcast command or terminal group address command (except for timing commands).
9. Call function
1) Broadcast call: The main station can broadcast calls to various terminals by setting commands.
2) Site selection call: The main station can communicate with a certain terminal through setting commands as needed, and other terminals should not hear it.
3) Prohibit calls: The main station can lock the call function of the terminal through commands.
10. Meter reading function
The remote meter reading system is an automated system that collects, calls for, stores, and shares electricity meter data to serve data application departments such as electricity, metering, and biotechnology.
1. Terminal data collection method for electricity meters: scheduled meter reading, daily meter reading; As needed; The terminal can store data for 31 meter reading days; Provide transparent transmission function for meter data according to the special needs of raw information for meter reading.
2. Meter data storage: The terminal will store the meter data collected at regular intervals in a standardized format for unified storage.
11. Terminal communication sampling data
The terminal uses an AC sampling device to achieve functions such as anti electricity theft monitoring and voltage monitoring.
12. Data forwarding
The terminal has the function of forwarding commands from the main station to subordinate intelligent devices (such as electricity meters and AC collection devices) and transmitting the return data information of the intelligent devices to the main station.
13. Local maintenance
The terminal has a local maintenance interface, and the communication protocol of the local maintenance interface is the same as that of the remote communication interface. The local maintenance function is mainly provided to users to meet the requirements of demand side management. Installation and maintenance personnel can also achieve communication between the terminal and on-site testing equipment through the local maintenance interface, and perform on-site queries on terminal parameters and operating data, including terminal or measurement point parameters, real-time data, historical daily data, and historical monthly data.
14. Initialization
The terminal receives initialization commands issued by the main station, which are divided into the following three types:
1) Hardware initialization: Reset the terminal hardware once;
2) Data area initialization: The terminal initializes the data storage area;
3) Parameter area initialization: The terminal initializes both the parameter area and the data area.
15. Terminal relay forwarding function
Using ordinary terminals as communication relays to cover terminals around them that receive weak signals from the main station or cannot be covered by the main station, improving communication conditions. A relay terminal can relay no more than 16 terminals. The terminal being relayed cannot communicate with the main station. The relay terminal stores the address of the relay terminal. When the terminal receives the issued command, it determines whether it is the local address. If it is, it responds to the main station command. If it is one of the relayed terminals of the terminal, the main station command will be forwarded. The uploaded information from the relay terminal is also transmitted to the main station through a similar method.
16. Remote upgrade
The terminal supports the main station to use communication channels to remotely upgrade the software and communication protocols of the terminal, which ensures the security of data within the terminal.

Main technical parameters of FKGB42-0095 power load management terminal:

model	FKGB42-0095 type
standard	Q/GDW129-2005��GB/T17882-1999��GB/T17883-1999 GB/T17215-2002��DL/T614-1997��DL/T721-2000��Q/GDW130-2005
Precision level	Active power 0.5S/1.0 level, reactive power 2.0 level Voltage measurement accuracy (70% Un -120% Un) level 0.5/1.0 Current measurement accuracy (1% In-120% In) level 0.5/1.0 Power measurement accuracy level 0.5/1.0
power consumption	��1W,4VA
GPRS/CDMA module power consumption	3W
rated voltage	3×220V
rated current	3×1.5��6��A
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Clock error	�� 0.5s/d, Warm compensation
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

[electricity meter]DPCJKW95-10C Type Multi functional Distribution Transformer Measurement and Control Terminal

2026-6-17 14:03:01

The DPCJKW95-10C multifunctional distribution transformer measurement and control terminal is used to measure the electricity consumption, detect operating parameters, collect status variables of public distribution transformers, and transmit data back to the central server through the configured communication channel. The terminal adopts a high-performance 32-bit embedded RISC CPU hardware platform, a stable and reliable real-time embedded operating system software platform, and a built-in large capacity memory that can store the historical operating parameters of the distribution transformer. Suitable for active and reactive energy measurement and operation monitoring of distribution transformers.

Main functions of DPCJKW95-10C multifunctional distribution transformer measurement and control terminal
1. Electricity metering
It has the functions of measuring positive and negative active energy, inductive and capacitive reactive energy, and time-sharing measurement (total, peak, flat, valley)
2. Quantity measurement
It can measure the maximum demand of active power total, peak, flat, and valley, as well as the maximum demand of reactive power total, peak, flat, and valley.
3. Parameter monitoring
1) It can measure and display voltage, current, frequency, active power, reactive power, active power, reactive power, apparent power, and power factor; Frequency range: DC and 40Hz~70Hz, power factor: -1~+1;
2) It can display and store the 2-31st harmonic components, harmonic content, and total distortion rate of three-phase voltage and current;
3) The fault display and alarm functions include phase loss, overvoltage, undervoltage, overcurrent, harmonic over limit, power outage, etc;
4) Can statistically analyze the maximum, minimum, and occurrence time of voltage, current, active power, etc., as well as the time for voltage to exceed the upper and lower limits, and the time for power outages on the line;
5) Provide load curve records of selected content at set time intervals.
4. Reactive power compensation
Based on the collected voltage and power factors, the optimal solution can be adopted to automatically control the switching of reactive capacitor banks on site, regulate the output voltage of distribution transformers, and improve the power factor.
5. Communication function
1) It has two optocoupler pulse output interfaces.
2) Equipped with an infrared data communication interface.
3) Equipped with RS-485 communication interface.
4) The terminal is equipped with a built-in GPRS or CDMA communication adapter, which utilizes China Mobile or China Unicom communication networks to achieve timed data upload, actively report abnormal events, adapt to communication networks, and have flexible communication protocols to choose from

Main technical parameters of DPCJKW95-10C multifunctional distribution transformer measurement and control terminal

model	DPCJKW95-10C
standard	GB/T17215-2002�� GB/T17882-1999 GB/T17883-1999�� DL/T614-1997 DL/597-1996
Precision level	Active power 0.5S/1.0 level, reactive power 2.0 level
power consumption	��1W,4VA
GPRS/CDMA module power consumption	��3W
rated voltage	3×100 3×380V	3×57.7/100V 3×220/380V
rated current	0.3��1.2��1.5��6��3��6��5��20��10��40��15��60��20��80��
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Clock error	�� 0.5s/d, Warm compensation
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

[electricity meter]DTSF222 type three-phase four wire electronic multi rate electricity meter

2026-6-17 14:02:26

The DTSF222 fully electronic three-phase multi rate energy meter adopts advanced ultra-low power solid-state integration technology and SMT process design and manufacturing, and is used for supplying AC active energy in a three-phase power grid with a rated frequency of 50HZ for time-sharing metering. This meter adopts a dedicated integrated circuit for electric energy meters MCU�� Technologies such as non-volatile memory and LCD digital display that permanently store information have achieved functions such as three-phase three rate time-sharing metering, RS485 serial data and far-infrared communication, presetting, and meter reading. Using dedicated POS machines and PC serial data communication ports as media to achieve information transmission between users and power supply department computers, in accordance with the technical requirements of DL/T645, DL/T614, GB/T17215, GB/T15284.

The main functions of DTSF222 three-phase four wire electronic multi rate electricity meter are:

1. Time of use measurement: peak, off peak, and off peak rates, with electricity usage recorded for each of the 12 time periods.
2. Meter reading date: set at a certain day and time, store the 3-month rate electricity and total electricity for 12 months.
3. Wheel display function: Wheel display various data and self define various data and time for wheel display.
4. Broadcast school time.
5. Optocoupler pulse output.
6. Supports infrared and RS485 communication methods. The RS-485 interface has strong protection, even if the 220VAC voltage is mistakenly connected, it will not damage the interface.
7. Communication protocol: DL/T645-1997 Multifunctional Energy Meter Communication Protocol.
8. Communication baud rate: 1200bps, effective distance of infrared communication port not less than 4m
9. Clock accuracy:<0.5/s/d.
10. Battery: 3.6V1.2AH lithium battery, with a normal lifespan of over 15 years under normal use. (The cumulative power outage time within 15 years shall not exceed 3 years)
11. When one phase of a three-phase three wire network and two phases of a three-phase four wire network experience a power outage, the energy meter can still measure normally.
12. High precision, high overload, high reliability, low power consumption, small size, light weight, good structural performance.
13. Adopting various hardware and software anti-interference measures to ensure the reliable operation of the electricity meter.

Main technical parameters of DTSF222 three-phase four wire electronic multi rate electricity meter:

model	DTSF222
standard	DL/T614-1997��GB/T15284-2002��GB/T17215-2002
Precision level	Level 1.0
power consumption	��1W,3VA
rated voltage	3×380/220V
rated current	1.5(6),5(20)A, 10(40)A,10(60)A,20(100)A
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Clock error	�� 0.5s/d, Warm compensation
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

DTSF222 three-phase four wire electronic multi rate electricity meter

[electricity meter]DT series three-phase energy meter

2026-6-17 14:02:09

The DT series three-phase energy meter is designed using advanced energy metering chips, combined with the advantages of mechanical meters; The product has high precision and strong reliability,
Advantages such as long lifespan and small size; Solved the problem of installing energy meters in the outgoing circuits of pull-out low-voltage cabinets such as GCK, GCS, and MNS, and can be widely applied
Measurement, assessment, and management of electrical energy within industrial and mining enterprises, construction buildings, and property communities. Compliant with GB/T15283-84 standard.

Function code:
3E Three phase Three wire Active Energy
4E Three phase four wire active electricity
3RE - Three phase three wire reactive power rating
4RE - Three phase four wire reactive power rating

Outline code, face frame size (mm)
Type 80, 80 × 80
42 type 120 × 120
96 type 96 × 96

[electricity meter]DM86 Series Three phase Pulse Energy Meter

2026-6-17 14:02:01

The DM86 series three-phase pulse electricity meter provides electromechanical integrated three-phase electricity readings proportional to electricity consumption for centralized meter reading systems or power load monitoring systems. This series of electricity meters is suitable for measuring three-phase AC active or reactive energy with a rated frequency of 50HZ. Its technical performance fully complies with the national standards GB/15283-94 or GB/15282-94.

Features:
The DM86 series three-phase pulse electricity meter is based on the D86 series three-phase electricity meter and consists of an additional pulse generation device sampled by photoelectric sensors. It has the advantages of adjustable pulse width, LED pulse output indication, and high reliability.

[electricity meter]DTS118 series electronic three-phase electricity meter

2026-6-17 14:01:53

The main functions and features of the DTS118 series electronic three-phase electricity meter are:

Bidirectional metering function, capable of accurately measuring electrical energy in both forward and reverse directions, with anti-theft function
Three phase power supply, one or two phases of power outage, measurement accuracy is not affected
Using optoelectronic isolation technology to output electrical pulse signals
Equipped with remote pulse output interface, thus possessing scalability

Technical parameters of DTS118 series electronic three-phase electricity meter
Accuracy: 1.0
Power consumption: �� 1.0W
Calibration current: 3 × 1.5 (6) A, 3 × 5 (20) A, 3 × 10 (40) A, 3 × 15 (60) A,
3×20(80)A��3×30(100)A
Voltage: 3 × 100V, 3 × 220/380V, 3 × 380V
Working temperature: -20 º C to 55 º C
Optional features
Meter or LCD display
Infrared meter reading function
Equipped with RS485 interface
Equipped with GPRS function
Equipped with carrier function

[electricity meter]DTSF39 electronic three-phase multi rate electricity meter

2026-6-17 14:01:45

DTSF39 electronic three-phase multi rate electricity meter

Main functions and features:
It has two, three, and four rate metering for electricity and demand, and can store current and previous month data.
There are ten rate periods, with a minimum interval of 15 minutes between each period, and two seasonal periods can be set.
Adopting LCD or Chinese digital display.
Parameters can be set and data can be copied using an infrared remote control and a handheld computer.
Optoelectronic output interface.
Three phase power supply with phase failure detection and recording function.

[electricity meter]D86-K series embedded three-phase electricity meter

2026-6-17 14:01:36

The D86-K series embedded electricity meter is mainly used for embedding on switch boards and electrical cabinets to measure active and reactive energy. To meet the needs of modern energy metering, our factory has specially developed the embedded multi rate meter series (DF86K) and embedded pulse meter series (DM86-K).

Hole size: 152 × 234 (mm)

[electricity meter]DTSY39 electronic three-phase prepaid electricity meter

2026-6-17 14:01:28

The main functions and features of DTSY39 electronic three-phase prepaid electricity meter are:

Apply computer management to purchase electricity before using it
Can limit the maximum power usage
Choose from three options: one card with multiple meters, multiple cards with one meter, or dedicated
The electric card can transmit data bidirectionally, with power-off warning and anti-theft software design functions

Technical parameters of DTSY39 electronic three-phase prepaid electricity meter
Accuracy: 1.0, 2.0
Calibration current: 3 × 1.5 (6) A, 3 × 3 (6) A, 3 × 5 (20) A, 3 × 10 (40) A,
3×15(60)A
Voltage: 3 × 220/380V
Working temperature: -20 º C to 55 º C

[electricity meter]DTSD39 type fully electronic three-phase multifunctional electricity meter

2026-6-17 14:01:20

The DTSD39 fully electronic three-phase multifunctional electricity meter is a fully electronic multifunctional instrument composed of high-voltage current transformers, high-voltage analog-to-digital converters, E2PROMs, and CPUs.

Main functions and features:

The DTSD39 fully electronic three-phase multifunctional electricity meter can accurately measure parameters such as forward active and reactive power, reverse active and reactive power, four phase limited reactive power, and maximum demand for A, B, and C phases.

There are four rates available, with 12 time periods per day and 12 time zones throughout the year, and 4 sets of time periods to choose from.
Automatically record and store the measurement data of the previous month and the previous month according to the set meter reading date; At the same time as data transfer, the maximum demand for the current month is automatically reset to zero, or it can be manually reset to zero.
1-2 days per week can be designated as rest days, which automatically switch to the set working hours.
It has the ability to record and display information on voltage loss, power outage, parameter settings, backup battery usage time, and parameter status.
Infrared remote control and handheld computer programming, meter reading, and can also communicate with computers.

[electricity meter]DDSF39 series electronic single-phase multi rate electricity meter

2026-6-17 14:01:11

The DDSF39 series electronic single-phase multi rate electricity meter is designed using a combination of BL or AD bidirectional energy metering dedicated IC and multi rate ultra large scale integrated circuit, with a fully sealed structure and SMT technology.

The main functions and features of DDSF39 series electronic single-phase multi rate electricity meter are:
Peak, flat, and valley electricity consumption and demand data for this month and last month.
The display content is optional, and parameters such as electricity settlement date can be set.
Automatic and manual meter reading can be done using a handheld computer, or manually with a simple remote control.
There is a digital display or an LCD screen displaying both Chinese and English.

[electricity meter]DDSY34 single-phase prepaid electricity meter

2026-6-17 14:01:03

The main functions and features of DDSY34 single-phase prepaid electricity meter are:
Apply computer management to purchase electricity before using it
Can limit the maximum power usage
Choose from three options: one card with multiple meters, multiple cards with one meter, or dedicated
The electric card can transmit data bidirectionally, with power-off warning and anti-theft software design functions, and has a pulse output interface

Technical parameters of DDSY34 single-phase prepaid electricity meter
Accuracy: 1.0, 2.0
Calibration current: 1.5 (6) A, 2.5 (10) A, 5 (20) A, 10 (40) A, 15 (60) A
Voltage: 220V, 230V
Working temperature: -20 º C to 55 º C

[electricity meter]DDS38 series electronic single-phase electricity meter

2026-6-17 14:00:55

Technical performance of DDS38 series electronic single-phase electricity meter

The DDS38 series electronic single-phase electricity meter uses microelectronics technology to measure electrical energy, with a fully shielded and sealed structure that has good resistance to electromagnetic interference, low power consumption, high precision, anti-theft, wide overload, and long service life.

technical parameters
Rated voltage: 220V -240V
Accuracy: 1.0, 2.0
Calibration current: 1.5 (6) A, 2.5 (10) A, 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A, 5 (30) A, 10 (60) A, 30 (100) A, 30 (120) A
Optional features
Pulse output width of 80ms ± 20ms, effective at low level
Frequency: 50Hz or 60Hz
Meter or LCD display
Anti electricity theft function

[electricity meter]DDSH50/DDSHF50 single-phase static multi-user electric energy meter

2026-6-17 14:00:47

The DDSH50/DDSHF50 single-phase static multi-user electric energy meter is a static electric energy meter that combines multiple single user metering units and data processing, display, and communication units. The rated voltage is 220V, and the maximum current is either 30A or 40A. It uses large-scale dedicated chips and high-performance microcontrollers to measure, centrally control, and manage the electricity consumption of multiple users in real-time. This meter is mainly used for centralized electricity metering, remote meter reading, billing, and automated management of electricity consumption in residential buildings.

Functional Features
The main features of DDSH50 single-phase static multi-user electricity meter and DDSHF50 single-phase static multi-user multi rate electricity meter are:
One household, one meter, centralized measurement. Choose any layout from 8 to 24 households (with a maximum of 18 households for the 40A phenotype);
Wide range, high reliability, accurate measurement;
Optional and on-demand setting of multiple rates for 2-8 time periods including peak, off peak, valley, and flat;
Configure intelligent network interfaces;
Optional external display meter head, remote switch on/off device (remote control for power transmission and shutdown), multifunctional explosion-proof metering box, �� infrared meter reading and 485 bus, Cable TV line, (low voltage) power carrier, wireless and other multi-mode remote automatic meter reading system;
Power off data protection (can be saved for 10 years);
Preventing electricity theft;
Significantly reduce the investment and operating costs of residential electricity metering supporting facilities;
All adopt plug-in structure; Single phase or three-phase centralized incoming line, easy to install, wire, and maintain;
Small size, exquisite craftsmanship, and beautiful appearance;

[electricity meter]DDS122 single-phase electronic energy meter

2026-6-17 14:00:38

summary:
The DDS122 fully electronic single-phase active energy meter is designed and manufactured using ultra-low power large-scale integrated circuits and SMT technology. It is equipped with a high reliability mechanical meter to accumulate and indicate electrical energy, and is used to measure AC active energy in single-phase power grids with a rated frequency of 50HZ. Complies with all technical requirements of Class 1.0 three-phase energy meters in IEC1036 and GB-T17215.

Main functional features:
1. High precision, high overload, high reliability, low power consumption, wide load capacity.
2. Bidirectional metering function, accurately measuring active power in both positive and negative directions, accumulating electrical energy in the same direction, with anti-theft function.
3. Equipped with a photoelectric coupling pulse interface.

Main technical parameters:

model	DSS122
standard	GB/T17215-2002
Precision level	Level 1.0
power consumption	��1W,3VA
rated voltage	220V
rated current	1.5(6),5(20)A, 10(40)A,10(60)A,20(100)A
Working voltage range	0.8Un��1.2Un, Extreme working voltage range: 0.7Un~1.3Un
Working environment temperature	Working temperature (��): -25~+60, extreme working temperature (��): -40~+70
Working environment humidity	��85%

[electricity meter]DD104 type long-life single-phase electricity meter

2026-6-17 14:00:30

The DD104 long-life single-phase electricity meter is a carefully designed and manufactured long-life energy metering instrument based on the introduction of technology and proprietary manufacturing processes for magnetic thrust bearings. Its maintenance free mean time to failure (MTTF) can reach 25 years, and the overload factor of the electricity meter can reach 6 times; All parts have undergone special processing to meet the three prevention requirements. The movable part is supported by magnetic thrust bearings, achieving frictionless operation; The guiding structure is composed of imported graphite liners and stainless steel needles, which do not require oil injection and have low friction torque; Light load, full load, and phase angle adjustment are all achieved with stepless variable speed adjustment, and have self-locking function; The measuring device adopts a thin-walled bending frame and a thin shaft, without the need for lubricating oil, with a friction torque as small as 1mg.cm; The voltage coil is made of flame-retardant resin casting, which has good sealing and can withstand moisture for a long time. Its insulation is permanently unchanged, and its resistance to impact voltage can reach 6KV or more. The voltage coil is wrapped with high-strength enameled wire and placed in a plastic wire frame envelope for double insulation protection; And pulse terminals are equipped on the terminal box. The disc shaft is made of hard aluminum wire material, and the worm is directly turned on the shaft with a small outer diameter, reducing the friction torque of the caliper. Compensated for temperature errors at cos �� values of 1 and 0.5; The power consumption of the electric meter itself is below 0.8W. This table fully complies with the provisions of standards such as JB/T5467-97 and GB/T15283-94.

DD104 type long-life single-phase electricity meter

[electricity meter]DD106 single-phase electric energy meter

2026-6-17 14:00:22

The DD106 single-phase electric energy meter is the most advanced induction type electric energy meter in today's structure, which has been designed and processed based on the DD101 and DD104 electric energy meters. The caliper is designed as the latest transmission structure with sub wheel rotation but no shaft rotation, resulting in low friction torque; The magnetic steel adopts a vertical assembly clearance that is easy to ensure and easy to adjust. The light load adjustment mechanism is novel and convenient, and the amplitude characteristics of the electricity meter are excellent. The base assembly method of the electricity meter meets the needs of different users. The terminal box is equipped with multifunctional sockets for easy installation of functional circuit boards, with an overload factor of 4-8 times. The characteristics of this table fully comply with the regulations of IDC521, GB/T15283, JB/T5467 and other standards.

DD106 single-phase electric energy meter

[electricity meter]DS(T)Y241 Type Three Phase Three (Four) Wire Prepaid Electricity Meter

2026-6-17 14:00:13

The DS (T) Y241 three-phase three (four) wire prepaid electricity meter is mainly used to measure active energy in three-phase AC circuits and is a typical electromechanical integrated product. It uses the DS (T) 241 three-phase electricity meter with advanced technology as the base meter, and adopts photoelectric pulse sampling to obtain the same number of pulses as the rotation of the electricity meter disk. After being processed by a dedicated microcomputer. Converted into electrical energy, while the microcomputer can limit the electricity load, it is an ideal product for reforming the electricity charging management system. The characteristics of this table comply with the provisions of relevant standards such as GB/T15282 and GB/T15283.

DS (T) Y241 three-phase three (four) line prepaid electricity meter

[electricity meter]DDSD105 single-phase electronic multifunctional energy meter

2026-6-17 14:00:05

Product Overview
Designed and manufactured using advanced microelectronics technology and SMT process, it complies with GB/T 17215.321-2008 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T 15284-2002 "Special Requirements for Multi Rate Energy Meters". It has the characteristics of high accuracy, strong functionality, and good stability. It has LCD display, RX8025 clock, infrared, RS485 communication interface, and is an advanced and reliable product suitable for residential time of use billing. Its technical performance fully complies with the technical requirements of DL/T 614-2007 "Multifunctional Energy Meter" and DL/T645-1997 (2007) "Multifunctional Energy Meter Communication Protocol" for multifunctional energy meters, which are the standards of the Ministry of Electric Power of China.

Main functions
Electricity metering, maximum demand recording, instantaneous quantity, electricity freezing, settlement, alarm, local communication, lid opening alarm, multiple rate, calendar clock, event recording

Main Features
This meter can accurately measure and measure single-phase forward and reverse active and reactive electrical energy, active and reactive power, voltage, current, frequency and other parameters, and process data according to corresponding rates and demand requirements. This table can be set with 4 rates, 2 time zones, 10 daily time periods, etc., and has RS485 communication interface and remote pulse output function.

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 1.5 (6) A, 5 (20) A, 5 (30) A, 5 (40) A, 10 (40) A, 10 (60) A, 15 (60) A, 20 (80) A
Starting current 0.004Ib
Normal operating temperature -20 ��~+45 ��
Extreme working temperature -30 ��~+60 ��
Storage and transportation temperature range -40 �� to+70 ��
The relative humidity can reach 95% for 30 days of the year and 85% for the rest of the time
Working voltage range 0.8Un~1.2Un (normal), 0.7Un~1.9Un (limit)
Power consumption voltage line active power �� 1.0W, apparent power �� 5.0VA
Weight 0.5kg

[electricity meter]DD101 single-phase electric energy meter

2026-6-17 13:59:57

The DD101 single-phase electric energy meter series introduces technology and equipment, and the lower bearing adopts a detachable bearing. Its guiding bearing oil is composed of a graphite liner and stainless steel needle with self-lubricating performance. Its own power consumption can be as low as 1.3W, and its service life (MTTF) can reach more than 20 years. All features meet national and related standards such as IEC62053 (international), BS5685 (UK), ANSI C12.10 (USA), GB/T15283, JB/T5467, etc., with high overload, compliance, long life, low power consumption, high voltage resistance, easy adjustment and other characteristics, and have been certified by the international electricity meter testing authority KEMA.

DD101 single-phase electric energy meter

[electricity meter]DS(T)SY103 electronic three-phase prepaid energy meter

2026-6-17 13:59:45

Product Overview
The DS (T) SY103 electronic three-phase prepaid energy meter uses the latest dedicated CPU for three-phase energy metering for data processing, display, and control of relay actions; Adopting unique checkpoint security and protection measures; Dynamic, secure and reliable IC card encryption mechanism; Advanced hardware and software fault-tolerant processing; Reliable power grid monitoring and anti-interference circuit design. It has the characteristics of reliable operation, high precision, large overload capacity, low self power consumption, small size, light weight, long service life, high cost-effectiveness, and easy installation. Accurate measurement and prepayment of three-phase AC active energy with a frequency of 50Hz can be achieved. All performance and technical indicators of this product comply with the relevant indicators of GB/T 17215.321-2008 "Level 1 and Level 2 Static AC Active Energy Meters".

Main functions
Electricity metering, event recording, prepayment, alarm, infrared communication, RS485 communication, calendar clock, power outage display, electricity freezing, power outage tripping
Main Features
Capable of measuring active energy in both directions and counting it in the forward direction in reverse
Apply computer management to purchase electricity before using it
Within the rated current range, the maximum operating power can be limited
One meter, one card, dedicated card, no power loss after card loss, can be used after card replacement
Electric cards can transmit data bidirectionally
Can automatically power off and alert users to purchase electricity; When the battery level is zero, the power will automatically trip and cut off
Equipped with anti electricity theft design
Equipped with infrared and RS485 communication functions

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 3 × 220/380V, 3 × 57.7/100V
Reference frequency 50Hz
Main current specifications: 3 × 1.5 (6) A, 3 × 5 (20) A, 3 × 10 (40) A, 3 × 15 (60) A, 3 × 20 (80) A, 3 × 30 (100) A
Starting current level 1 0.4% Ib, level 2 0.5% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -30 ��~+55 ��
Extreme working temperature -40 ��~+70 ��
Storage and working humidity �� 85%
Power consumption voltage circuit �� 2W/10VA current circuit �� 2.5VA
Weight 1.5kg

[electricity meter]DDZY105 single-phase cost control intelligent energy meter (remote switch)

2026-6-17 13:59:37

Product Introduction:
The DDZY105 single-phase cost control intelligent energy meter (remote/switch) is a new generation of intelligent energy meters developed based on the smart meter series standards of State Grid Corporation of China. Advanced technologies such as ultra large scale digital signal processing chips, permanently stored information memory, fully isolated standard RS485 communication interface and infrared communication, large screen wide temperature LCD display, and information security encryption ESAM module are adopted. The electric energy meter adopts advanced SMT surface mount technology, and the shell is made of high-strength, flame-retardant and environmentally friendly materials, with novel and beautiful shapes, and high insulation strength and corrosion resistance. This meter integrates numerous functions, including electric energy measurement, information storage and processing, real-time monitoring, automatic control, and information exchange, which can effectively prevent overdue behavior and meet the requirements of the power department for modern and scientific management of users in a timely manner.

Technical parameters:
Accuracy: Active power level 2.0
Voltage: 220V
Rated frequency: 50Hz
Designated working temperature: -25 �� to+60 ��
Extreme working temperature: -40 �� to+70 ��
Relative humidity: �� 95%
Dimensions: 160mm × 112mm
Execution standards: Q/GDW354-2009, Q/GDW355-2009
Q/GDW364-2009��Q/GDW365-2009

Main functions:
·Adopting a large screen wide temperature LCD display with backlight illumination, users can view current electricity consumption data, current rate electricity, date/time, historical data, meter setting parameters, etc
·Energy metering function: It has positive and negative active energy metering functions; Time division metering of active electrical energy accumulates and stores total, peak, off peak, flat, and valley electrical energy according to corresponding time periods.
·Remote cost control: The electric energy meter uses RS-485 to pass password verification and security authentication, and receives commands from the remote electricity sales system to open, close, and read ESAM data.
·Multi rate function: equipped with two sets of time zone tables; Two sets of daily time slot tables, programmable with 4 rates and up to 14 time slots.
·A built-in hardware clock circuit with temperature compensation, featuring calendar, timing, and automatic leap year conversion functions, with accuracy superior to State Grid standards.
·It has metering pulse indication, alarm indication, and trip indication.
·Infrared communication and RS485 communication functions: capable of copying all data items supported by the energy meter and setting parameters.
·The case is made of environmentally friendly materials that are insulated, flame-retardant, and UV resistant, and the structural design is sealed and dust-proof.

[electricity meter]DDSF105 single-phase electronic multi rate energy meter

2026-6-17 13:59:29

The DDSF105 single-phase electronic multi rate energy meter adopts advanced energy metering dedicated chips, mature multi rate technology, digital sampling processing technology, and SMT manufacturing technology, designed and manufactured according to the actual electricity consumption of users. Featuring RS485 communication, infrared communication, simple structure, high accuracy, low power consumption, and long lifespan, it can be used for measuring single-phase AC active energy with a rated frequency of 50Hz. Its performance indicators comply with the technical requirements for single-phase electronic active energy meters in GB/T 17215 "Level 1 and Level 2 Static AC Active Energy Meters", and meet the technical requirements for multi rate energy meters in GB/T 15284 "Special Requirements for Multi rate Energy Meters"; Its communication protocol complies with the requirements of DL/T645 "Multi functional Energy Meter Communication Protocol".

Main functions
Energy metering, event recording, alarm, power freezing, power outage display, light wake-up, infrared communication RS485�� Settlement, multiple rates, calendar clock
Main Features
This meter can achieve time-sharing measurement and can set 3 rates, 8 daily time periods, 2 time periods, and 12 digit meter numbers. It also has functions such as automatic data transfer for set days, handheld terminal or PC programming and meter reading, LCD display, power test pulse output, and clock second signal test output.

Technical parameters of DDSF105 single-phase electronic multi rate energy meter
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 10 (40) A, 10 (40) A, 10 (60) A, 20 (80) A
Starting current 0.004Ib
Normal operating temperature -25 ��~+55 ��
Extreme working temperature -40 ��~+60 ��
Storage and transportation temperature range -35 ��~+70 ��
The relative humidity can reach 95% for 30 days of the year and 85% for the rest of the time
Working voltage range 0.8Un~1.2Un (normal), 0.7Un~1.9Un (limit)
Power consumption voltage line active power �� 1.0W, apparent power �� 5.0VA
Weight 0.7kg

[electricity meter]DDSIF105 single-phase electronic multi rate carrier energy meter

2026-6-17 13:59:20

Product Overview

The DDSIF105 single-phase electronic multi rate carrier energy meter is designed using advanced energy metering chips and carrier communication chips, combined with mature multi rate technology. It applies digital sampling processing technology and SMT technology, and is designed and manufactured according to the actual electricity consumption of residents. Its performance indicators comply with technical requirements such as GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T 5283-1994 "Level 0.5, 1, and 2 AC Active Energy Meters", and meet the technical requirements of GB/T 17215.321-2008 "Special Requirements for Multi Rate Energy Meters" for multi rate energy meters. The communication protocol complies with DL/T645-1997 (2007) "Multi functional Energy Meter Communication Protocol" and DL/T 698-2009 "Energy Information Collection and Management System".

Main functions
Electric energy metering, event recording, alarm, infrared communication, RS485 communication, calendar clock, power outage display, power freezing, multiple rate, power outage display, carrier communication, circuit breaker

Main Features
Can accurately measure positive and negative active energy
It can be set for peak, off peak, and valley rates, as well as 8 time periods for time-sharing active energy metering. (The number of time periods can be set)
Hardware clock circuit with automatic switching of calendar, timing, and leap year.
Programming and meter reading operations are completed through infrared and power line carrier, which are accurate, reliable, have strong reading capabilities, and have automatic relay functions for each other.
Capable of storing frozen data from the previous 12 months (data freezing time can be arbitrarily specified between 1-28 days)
Has programming prohibition and programming request functions
Automatic and manual wheel display functions
Equipped with broadcast timing function

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 5 (50) A, 10 (40) A, 15 (60) A, 20 (80) A
Starting current level 1 0.4% Ib, level 2 0.5% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -25 ��~+55 ��
Extreme working temperature -30 ��~+70 ��
Storage and working humidity �� 85%
Lithium battery �� 1200mAh
Display LCD display
Effective distance of low-voltage power line communication to the main power line �� 1km

[electricity meter]DDSI105 single-phase electronic carrier energy meter

2026-6-17 13:59:12

Product Overview
The DDSI105 single-phase electronic carrier energy meter is designed and manufactured using the latest single-chip microprocessor and its peripheral chip technology, and can measure single-phase active energy; Low voltage power lines can be used for programming and meter reading, among which the LCD trip meter also has the function of trip control; Adopting multiple advanced algorithms to fully meet the various needs of users; Compliant with GB/T 17215.321-2008 "Level 1 and Level 2 Static AC Active Energy Meters", DL/T 698-2009 "Electric Energy Information Collection and Management System" and other standards, facilitating unified management for users; It is currently the best implementation solution for remote meter reading of low-voltage power lines for domestic residents.

Main functions
Electricity metering alarm calendar clock infrared communication RS485 communication power outage display carrier communication circuit breaker

Main Features
The DDSI105 single-phase electronic carrier energy meter has the function of accumulating total electricity, measuring in both forward and reverse directions, and counting in reverse direction. The LCD displays the total electricity consumption
Calendar clock display, with accuracy better than national standards
It has active electric energy pulsation output, and the output pulses can be used for meter calibration and power collection. The pulse waveform is a square wave with a pulse width of 80 × (1+20%) ms
Accuracy levels are 1.0 and 2.0
LCD display with 6 integers and 2 decimals
Power consumption: Voltage circuit �� 1.5W and 5VA, with logic anti creep function
It has infrared communication, RS485 communication function, carrier communication function, and its own relay function. Flexible modular solution
Support remote carrier switching and power-off
Power outage display function
This meter adopts a brand new circuit, which has strong anti electromagnetic interference ability, excellent error characteristics, all-round environmental adaptability, and excellent electromagnetic compatibility

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 10 (40) A, 15 (60) A, 20 (80) A
Starting current level 1 0.4% Ib, level 2 0.5% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -25 ��~+55 ��
Extreme working temperature -30 ��~+70 ��
Storage and transportation temperature range -40 �� to+70 ��
Storage and working humidity �� 85%
Lithium battery �� 1200mAh
Display LCD display
Effective distance of low-voltage power line communication to the main power line �� 1km

[electricity meter]DDSIY105 Type CPU Single phase Electronic Prepaid Carrier Energy Meter

2026-6-17 13:59:03

Product Overview
DDSIY105 CPU card single-phase electronic prepaid carrier energy meter is a product manufactured using advanced microelectronics technology and SMT production process. Its performance indicators comply with GB/T 18460.3-2001 standard. It has the characteristics of high reliability, compatibility with multiple systems, and wide applicability.

Main functions
Electricity metering, prepaid, alarm, infrared communication, RS485 communication, calendar clock, power outage display, electricity freezing, multi rate, carrier communication, power outage control

Main Features
Capable of measuring active energy in both directions and counting it in the forward direction in reverse
Equipped with prepayment function, it can realize payment before electricity usage
Adopting an embedded CPU card
Equipped with multiple rate function, able to set two sets of time zones and time periods for primary and secondary users, and various rate measurements
Equipped with functions such as early warning and overdrawn battery capacity
Adopting LCD display with Chinese character prompts, clear and intuitive, with backlight display function
Adopting embedded ESAM chips to ensure secure storage of data such as electricity consumption and bills
Pulse output port for electrical energy testing with optoelectronic isolation
Equipped with infrared, RS485 communication function, display button and programming button
Equipped with power outage display function, carrier communication function, relay function, and flexible modular solution
Support remote carrier switching and power-off

Technical parameters of DDSIY105 CPU card single-phase electronic prepaid carrier energy meter
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 10 (40) A, 15 (60) A, 20 (80) A
Starting current level 1 0.4% Ib, level 2 0.5% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -25 ��~+55 ��
Extreme working temperature -30 ��~+70 ��
Storage and working humidity �� 85%
Lithium battery �� 1200mAh
Display LCD display
Effective distance of low-voltage power line communication to the main power line �� 1km

[electricity meter]DDS105 single-phase electronic energy meter

2026-6-17 13:58:55

Overview
The DDS105 single-phase electronic energy meter is designed and manufactured using large-scale dedicated energy metering integrated circuits and advanced SMT fully automatic surface mount welding technology, which has the advantages of safety, reliability, stable performance, and low power consumption. This product can be used to measure AC single-phase active energy with a voltage of 220V and a frequency of 50HZ. All its performance meets the technical requirements of the International Electrotechnical Commission standard IEC1036 "Static AC Active Energy Meters for Class 1 and 2" and the national standard GB/T 17215.321-2008 "Static AC Active Energy Meters for Class 1 and 2" of the People's Republic of China.

Main functions
Energy metering, event recording, alarm, power freezing, power outage display, light wake-up, infrared communication RS485�� settlement

Characteristics of DDS105 single-phase electronic energy meter

It has the function of accumulating total electricity, measuring in both forward and reverse directions, and counting in reverse direction. The LCD displays the total electricity consumption.
The automatic settlement function for month end data can save historical electricity consumption data for December.
Record events such as programming, lid opening, and calibration in December.
Instantaneous freezing of electrical energy and freezing of electrical energy.
Calendar clock display, with accuracy better than national standards.
It has active electrical energy pulse output, which can be used for meter calibration and power collection. The pulse waveform is a square wave with a pulse width of 80 × (1+20%) ms
The accuracy levels are 1.0 and 2.0.
LCD display, power outage LCD display.
Power consumption: Voltage circuit �� 1W and 5VA, with logic anti creep function.
It has infrared communication and RS485 communication functions.
Light activated sleep function.
This meter adopts a brand new circuit, which has strong anti electromagnetic interference ability, excellent error characteristics, all-round environmental adaptability, and excellent electromagnetic compatibility.

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 10 (40) A, 15 (60) A, 20 (80) A
Starting current �� 0.4% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -25 ��~+55 ��
Extreme working temperature -30 ��~+70 ��
Storage and transportation temperature range -40 �� to+70 ��
Storage and working humidity �� 85%
Display LCD display

[electricity meter]DDSY105 single-phase electronic prepaid energy meter

2026-6-17 13:58:47

The DDSY105 single-phase electronic prepaid energy meter uses dedicated integrated circuits for energy measurement, dedicated CPU circuits for data processing, display, and control of relay actions. Its main characteristics are reliable performance, high accuracy, high overload, low power consumption, small size, light weight, and easy use. Provide AC single-phase active energy with a rated frequency of 50Hz for metering. Suitable for prepaid and computer networking, etc; This product meets all technical requirements of GB/T 17215.321-2008 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T18460-2001 "IC Card Prepaid Electricity Sales System" standards.

Main functions
Electricity metering, prepayment, alarm, infrared communication, RS485 communication, calendar clock, power outage display, electricity freezing, power off

Main Features
One table and one card cannot be copied, with logical encryption. Effectively prevent technical electricity theft.
Equipped with prepayment function, it can realize payment before electricity usage
Capable of measuring active energy in both directions and counting it in the forward direction in reverse
Equipped with functions such as early warning and overdrawn battery capacity
Adopting LCD display with Chinese character prompts, clear and intuitive, with backlight display function
Pulse output port for electrical energy testing with optoelectronic isolation
Equipped with infrared and RS485 communication functions

Technical parameters of DDSY105 single-phase electronic prepaid energy meter

Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 10 (40) A, 15 (60) A, 20 (80) A
Starting current level 1 0.4% Ib, level 2 0.5% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -25 ��~+55 ��
Extreme working temperature -30 ��~+70 ��
Storage and working humidity �� 85%
Lithium battery �� 1200mAh
Display LCD display

[electricity meter]DDSF879 series electronic single-phase multi rate energy meter

2026-6-17 13:58:38

The DDSF879 series electronic single-phase multi rate energy meter is a new metering product developed to meet market demand. The product is manufactured using advanced foreign energy metering chips, high-performance CPUs, RTC clock chips, displays (meters), and SMT advanced processes. Its characteristic is the ability to measure electricity according to different time periods, with advantages such as four rate, twelve time periods, anti-theft, high precision, high reliability, high overload, low power consumption, and light weight. The rates for peak, off peak, flat, and valley periods can be set as needed.

The electric energy meter adopts a dedicated filtering network, which has strong anti-interference ability.

This product adopts national standards such as GB/T17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters", GB/T15284-2002 "Special Requirements for Multi Rate Energy Meters", and DL/T614-1997 "Multifunctional Energy Meters" in the power industry. The electric energy meter has infrared communication port and RS485 communication port, and the communication protocol complies with the power industry standard DL/T645-1997 "Multi functional Electric Energy Meter Communication Protocol". The quality management system for producing this product has passed GB/T19001 (ISO9001) certification.

The power supply department can use a dedicated programmer to set rates, time periods, dates, programming passwords, and other content through infrared or RS485 interfaces; Read various information on the energy meter except for the password through a dedicated meter reading device, and perform time synchronization under legal authorization. The infrared communication distance shall not be less than 4 meters, and the communication angle shall not be less than 15 degrees. The meter reader can transmit data to the computer. Users can choose the EIA-RS485 interface according to their needs.
Note: The LCD liquid crystal display carrier multi rate energy meter has the functions of power line carrier meter reading and remote load control.

Structure:
The case is sealed and dust-proof, flame retardant and anti-aging.
Equipped with infrared communication port and RS485 communication port.
One red LED light indicates the power pulse, and the pulse light flashes once every time the meter accumulates one pulse equivalent of electrical energy.
One optocoupler isolated pulse output, with an output width of approximately 80ms, for verification purposes.
Using long-lasting, ultra bright LED lights for time period indication.
The battery display adopts three forms: dual meter, LCD liquid crystal display, and LED digital tube display. Under normal usage conditions, the lifespan of its display is greater than 10 years.
The working power supply adopts transformer isolation.
There is a programmable control switch inside the electricity meter, and a power pulse output port and RS485 interface are installed on the wiring terminal block.

Technical parameters:
Rated voltage (V): 220230
Working voltage range: 70% Un~120% Un
Rated current (A): 5 (20), 5 (30), 5 (50), 10 (40), 10 (60), 15 (60), 15 (90), 20 (80), 10 (100)
Rated frequency (Hz): 50, 60
Accuracy level: Level 1, Level 2
Power consumption: Voltage circuit �� 2W, 10VA; Current circuit �� 1VA
Working temperature (��): -25~+55, extreme working temperature (��): -45~+70
Relative humidity: �� 75% (annual average)
Rate: Two/three/four rate options are available; Time period: �� 8
Clock accuracy: 0.5s/d (23 ��), with a change in temperature of better than 0.1s/(d ·��)
Battery capacity (Ah): �� 1Ah, maintaining normal clock operation for no less than 10 years
Dimensions (mm): (LCD, LED display); (Dual meter display).
Average service life (years):>10

function
Measure positive and negative active energy, and accumulate negative energy in the positive direction.
Electric energy is accumulated and stored separately based on total, peak, flat, and valley values.
It has automatic meter reading function, specifying any hour on a certain day of the month as the meter reading time, and can store 12 months of historical electricity consumption.
Automatically switch between calendar, timing, and leap year.
Capable of displaying various parameters such as date, time, rate, and power consumption according to user requirements.

Scope of application:
220V5 (20) A - ---10 (100) A is a direct access instrument suitable for implementing time of use pricing for urban and rural residents' lighting meters.

[electricity meter]DTY79-S/DSSY79-S electronic three-phase prepaid energy meter

2026-6-17 13:58:30

The DTY79-S series electronic three-phase four wire prepaid energy meter is a new generation product developed and researched by our company, which has multiple functions such as energy metering, load control, and user information management. This product is based on microcontroller technology and utilizes well-known foreign measurement specific chips, IC card technology, and SMT technology. Data is reliably transmitted between users and management systems through IC encryption cards, with one card per household. It has anti-theft functions and can be widely used in industrial and mining enterprises, residential property management, and urban and rural power grid renovation.

The DTY79-S/DSSY79-S electronic three-phase prepaid electricity meter has the advantages of small size, comprehensive functions, and high reliability. It is an ideal metering product for reforming electricity charging methods, effectively solving overdue electricity bills, realizing the commercialization of electricity, and effectively controlling and regulating grid loads.
The performance indicators of the product comply with the national standards GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T 18460.3-2001 "IC Card Prepaid Electricity Sales System Part 3: Prepaid Electricity Meters".

Structure:
The case is sealed, dust-proof and waterproof, flame retardant and anti-aging.
One red LED light indicates the power pulse, and the pulse light flashes once every time the meter accumulates one pulse equivalent of electrical energy. One LED light indicates the tripping status of the electricity meter, one LED light is used to indicate the phase loss status, and one LED light is used for alarm indication.
The IC card socket for the electricity meter is located inside the small door and has self-protection function. When inserting the card, the small door opens.
One optocoupler isolated pulse output, with an output width of approximately 80ms, for verification purposes.
The power display adopts the LED digital tube display method. When the remaining power is equal to the alarm power, the LED digital tube display stays on and emits an alarm signal sound to remind users to purchase electricity in a timely manner.
Using IC card as the medium for power transmission. IC cards are encrypted, one card per household, and are not interchangeable.
Using ferroelectric memory, data storage is reliable.
Adopting a large capacity magnetic holding relay with low power consumption and high reliability.

Technical parameters of DTY79-S/DSSY79-S electronic three-phase prepaid energy meter:
Rated voltage (V): 3 × 220/380
Working voltage range: 70% Un~120% Un
Rated current (A): 3 × 1.5 (6), 3 × 5 (20), 3 × 5 (30), 3 × 5 (40), 3 × 10 (40), 3 × 10 (60), 3 × 15 (60), 3 × 20 (80)
Rated frequency (Hz): 50
Accuracy level: Level 1, Level 2
Power consumption: Voltage circuit (per phase) �� 3W, 10VA; Current circuit (per phase) �� 1.5VA
Working temperature (��): -25~+55, extreme working temperature (��): -45~+70
Relative humidity: �� 75% (annual average)
Display range: 0-99999kWh
Data protection: Data retention time after power outage>10 years
Dimensions (mm):
Average service life (years):>10

Function:
Positive and negative active energy metering.
Prepaid IC card for electricity, with decreasing electricity consumption.
Alarm for insufficient remaining power, when the remaining power is zero or reaches the set credit value, trip and cut off the power to remind users to purchase electricity in a timely manner.
Automatic power-off when overloaded (optional).
It has data write back function.
Can display remaining electrical energy and various other information.

Scope of application:
3 × 220/380V 3 × 1.5 (6) A is a transformer connected instrument, suitable for large industrial users who implement prepayment for three-phase three wire high-voltage power supply and low-voltage metering with a frequency of 50Hz (60Hz), as well as industrial and non industrial users who implement prepayment for three-phase four wire low-voltage power supply.
3 × 220/380V 3 × 5 (20) -3 × 20 (80) A is a direct access instrument suitable for industrial and non industrial users who implement prepaid three-phase four wire low-voltage power supply with a frequency of 50Hz (60Hz). It is also applicable to residential lighting meter cost tables that implement prepaid three-phase four wire low-voltage power supply due to high electricity consumption.

[electricity meter]DDY79-S electronic single-phase prepaid energy meter

2026-6-17 13:58:22

DDY79-S electronic single-phase prepaid energy meter

The DDY79-S electronic single-phase IC card prepaid energy meter is a new generation product developed by our factory with multiple functions such as energy metering, load control, and user information management. The electric energy metering part adopts our mature electronic energy meter technology, with a reasonable overall structure, advanced technology, and various advantages of electronic energy meters. In the design process, the meter fully considers the characteristics of online instruments and takes a series of measures to prevent power failure, overvoltage, reliability, and anti-interference ability, fully meeting electromagnetic compatibility requirements. The product's performance indicators comply with the national standards GB/T18460.3-2001 "IC Card Prepaid Electricity Sales System Part 3: Prepaid Electricity Meter" and GB/T17215-2002 "Level 1 and Level 2 Static AC Active Energy Meter".

This product has the advantages of small size, comprehensive functions, and high reliability. It is an ideal product for reforming the electricity system, realizing the commercialization of electricity, solving the difficulty of charging, and achieving electricity monitoring and regulating the load status of the power grid.

Structure:
The case is sealed, dust-proof and waterproof, flame retardant and anti-aging.
One red LED light indicates the power pulse, and the pulse light flashes once every time the meter accumulates one pulse equivalent of electrical energy.
The IC card socket for the electricity meter is located inside the small door and has self-protection function. When inserting the card, the small door opens.
One optocoupler isolated pulse output, with an output width of approximately 80ms, for verification purposes.
The power display adopts the LED digital tube method. When the remaining power is equal to the alarm power, the LED digital tube stays on, reminding users to purchase electricity in a timely manner.
Using IC card as the medium for power transmission. IC cards are encrypted, one card per household, and are not interchangeable.
Using ferroelectric memory, data storage is reliable.
Adopting a large capacity magnetic holding relay with low power consumption and high reliability.

Technical Specifications:
Rated voltage (V): 220
Working voltage range: 70% Un~120% Un
Rated current (A): 5 (20), 5 (30), 10 (40)
Rated frequency (Hz): 50
Accuracy level: Level 1, Level 2
Power consumption: Voltage circuit �� 2W, 10VA; Current circuit �� 1VA
Working temperature (��): -25~+55, extreme working temperature (��): -45~+70
Relative humidity: �� 75% (annual average)
Display range: 0-9999kWh
Data protection: Data retention time after power outage>10 years

Dimensions (mm):

Average service life (years):>10

Function:
Prepaid IC card for electricity, with decreasing electricity consumption.
Alarm for insufficient remaining power, when the remaining power is zero or reaches the set credit value, trip and cut off the power to remind users to purchase electricity in a timely manner.
Automatically cut off power when overloaded.
It has data write back function.
Can display remaining electrical energy and various other information

Scope of application:
220V 5 (20) A - ---10 (40) A is a direct access meter suitable for urban and rural residents in areas where prepaid electricity fees are implemented or will be implemented.

[electricity meter]DDSYF879-A Electronic Single Phase Prepaid Multi Rate Energy Meter

2026-6-17 13:58:13

DDSYF879-A Electronic Single Phase Prepaid Multi Rate Energy Meter

[electricity meter]DTSF/DSSF79-W1 electronic three-phase multifunctional energy meter

2026-6-17 13:58:05

1. Product Introduction
The DTSF/DSSF79-W1 electronic three-phase multifunctional energy meter is a modern and advanced instrument designed and manufactured using large-scale integrated circuits, digital sampling processing technology, and SMT technology, based on the actual electricity consumption of industrial users.
Its performance indicators comply with the technical requirements of GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters" and DL/T 614-1997 "Multifunctional Energy Meters" standards for multifunctional energy meters. The communication protocol complies with the "DL/T645-1997 Multifunctional Energy Meter Communication Protocol" and the special communication requirements proposed by the user.
This meter implements time-sharing measurement, sets daily automatic data transfer, programs and reads meters on handheld terminals or PCs, and displays on LCD screens. This meter can be set with 4 rates, 10 time periods, 2 time zones, and a 12 digit meter number, and has the function of outputting electric energy test pulses.

2. Function characteristics of DTSF/DSSF79-W1 electronic three-phase multifunctional energy meter
measurement function

1) Measure the current total, peak, off peak, flat, and valley active power in both forward and reverse directions;
2) Measure the current total, peak, flat, and valley reactive power in both forward and reverse directions;
3) Can record the positive total and historical electricity consumption of each rate for 12 months;
4) Time division measurement of reactive energy in four quadrants, and storage of current, last month, and previous month data;
5) Measure the maximum demand and occurrence time of forward and reverse active power in a time-sharing manner, and store the current, last month, and previous month data;
6) The maximum demand cycle is available in 5, 10, 15, 30, and 60 minutes.

Multiple rate function

1) 4 programmable rates, 10 daily time slots, 2 time zones;
2) The external clock chip has calendar, timing, and anniversary automatic switching functions, as well as temperature compensation function.
display function
1) LCD display, capable of displaying clearly within a temperature range;
2) Equipped with automatic parameter rotation display function, the parameters, time, and sequence of the rotation display can be set arbitrarily;
3) Equipped with button display function, the display content and order can be set arbitrarily;

[electricity meter]DTSD/DSSD79 Type Three phase Electronic Multi functional Energy Meter

2026-6-17 13:57:57

1�� Product Overview
The DTSD/DSSD79 three-phase electronic multifunctional energy meter is an instrument designed and manufactured using large-scale integrated circuits, digital sampling processing technology, and SMT technology, based on the actual power consumption of industrial users.
This meter can accurately measure the active and reactive electrical energy, active and reactive power, voltage, current, frequency and other electrical parameters of three-phase forward and reverse directions, and process the data according to the corresponding rates and demand requirements. This table can be set with 4 rates, 4 time zones, 10 daily time periods, etc., and has RS485 communication interface and remote pulse output function.
Its performance indicators comply with the technical requirements of DL/T614-1997 "Multifunctional Energy Meter" and DL/T645-1997 "Multifunctional Energy Meter Communication Protocol" in the power industry standards for multifunctional energy meters.

2�� Main functions of DTSD/DSSD79 three-phase electronic multifunctional energy meter

One minute metering of positive and negative active energy, capable of two modes of metering.
Measure reactive power in four quadrants and total reactive power in both directions at 2 minutes, supporting 5 modes of total reactive power measurement.
Measure the maximum demand for forward and reverse active power at 3 minutes, as well as the time of demand occurrence.
4 has 4 rates, 10 daily time periods, 4 time zones, and 5 time period tables, supporting weekly repair days and holiday periods; There is also a backup rate period system.
5 has the functions of detecting and recording voltage loss, current loss, voltage qualification, and total voltage loss current.
Two RS485 interfaces can communicate with a PC or infrared communication with a handheld computer to complete programming and meter reading. Meter reading can also be manually recorded through an infrared remote control.
Display various parameter settings and measurement data through LCD.
8 can achieve parameter rotation, and the parameters and time of the rotation can be pre-set. The order of parameter rotation can also be set arbitrarily.
The 9-meter has forward active and reactive remote pulse output ports, with remote pulse constants of 6400imp/kW. h and 6400imp/kvar. h, and a pulse width of 80ms ± 20ms.
Measure the effective values of voltage, current, and current of phases A, B, and C, as well as the current frequency.
11 has programming prohibition function and demand reset function.
There are power outage meter reading batteries and clock batteries available, and the built-in power outage meter reading mode can be selected. Meter reading can be performed without an external DC power supply in the event of a power outage.
There are 7 types of load recording functions in 13, and the recording time interval can be selected in minutes.
14 has a 3-level authorization password protection function. In addition, multi-level security protection functions such as password unlocking (programming keys) can be set.

[electricity meter]DDSI879 Type Carrier Single Phase Electronic Energy Meter

2026-6-17 13:57:48

1.1 Overview

The DDSI879 carrier single-phase electronic energy meter is an energy meter designed and manufactured based on the actual electricity consumption of residents, using advanced specialized chips for energy measurement and carrier communication, digital sampling processing technology, and SMT technology. All components in the electricity meter are made of electronic components with long lifespan and high reliability, thus possessing the characteristics of long lifespan and high reliability.
This meter can achieve functions such as metering, carrier or infrared programming and meter reading, LCD display, etc. This meter has independent programming passwords and valve control passwords, which can protect the internal data of the meter and have the function of pulse output for electrical energy testing.
This meter has significant advantages such as high measurement accuracy, good stability, strong overload capacity, and high reliability. Can provide advanced and reliable measurement tools for the power sector. Its performance indicators comply with the technical requirements for single-phase electronic energy meters in GB/T17215-321-2008 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T17442-1998 "Acceptance Inspection of Level 1 and Level 2 Directly Connected Static AC Active Energy Meters", as well as the "2009 Heilongjiang Electric Power Co., Ltd. Electric Energy Meter Terminal Collection Project Equipment Procurement/Electric Energy Meter Terminal Collection Equipment Bidding Document".

1.2 Specifications, Models, and Technical Indicators
Specification, model and pulse constant of DDSI879 carrier single-phase electronic energy meter

model	Category	Reference voltage Un	Rated current In	Pulse constant imp/kWh
DDSI879	single-phase	220V	5(30)A	one thousand and six hundred
			5(40)A	one thousand and six hundred
			5(50)A	one thousand and six hundred
			10(40)A	one thousand and six hundred
			10(50)A	one thousand and six hundred
			10(60)A	one thousand and six hundred
			15(60)A	one thousand and six hundred
			20(80)A	eight hundred

Accuracy Level 1 Level 2
Rated frequency 50Hz
Dimensions 160mm �� 125mm �� 62mm
Weight approximately 0.6kg
Starting current active �� 0.5% Ib (level 2), active �� 0.4% Ib (level 1)
The submersible has anti submersible logic design.

Electrical parameters

working voltage	0.7 Un��U��1.2 Un
Voltage line power consumption	�� 1.5W and 6VA
Backup battery voltage	3.6VDC

climatic conditions

Normal operating temperature range	-30�桫+55��
Extreme operating temperature range	-45��~+70��
Storage and transportation temperature range	-45�桫+80��
Storage and working humidity range	��85%

technical parameters

measurement range	0��999999.99 kWh
Display	liquid crystal
Baud rate	Infrared: 1200bps

safety performance

AC insulation voltage test: The test voltage is 4kV, which meets the requirements of GB/T 17215. Impulse voltage test: The impulse voltage is 6 kV, which has passed the EMC test and meets the requirements of GB/T 17215. Under the condition of 1.9Un, the electric meter remains undamaged for 4 hours

[electricity meter]DDSIF879 Type Carrier Single Phase Electronic Energy Meter

2026-6-17 13:57:40

1.1 Overview
The DDSIF879 carrier single-phase electronic energy meter is an energy meter designed and manufactured based on the actual electricity consumption of residents, using advanced specialized chips for energy measurement and carrier communication, digital sampling processing technology, and SMT technology. All components in the electricity meter are made of electronic components with long lifespan and high reliability, thus possessing the characteristics of long lifespan and high reliability.
This meter can achieve functions such as metering, carrier or infrared programming and meter reading, LCD display, etc. This meter has independent programming passwords and valve control passwords, which can protect the internal data of the meter and have the function of pulse output for electrical energy testing.
This meter has significant advantages such as high measurement accuracy, good stability, strong overload capacity, and high reliability. Can provide advanced and reliable measurement tools for the power sector. Its performance indicators comply with the technical requirements for single-phase electronic energy meters in GB/T17215-321-2008 "Level 1 and Level 2 Static AC Active Energy Meters", GB/T17442-1998 "Acceptance and Inspection of Level 1 and Level 2 Directly Connected Static AC Active Energy Meters", and GB/T15284-2002 "Special Requirements for Multi Rate Energy Meters". The communication specifications comply with DL/T645-1997 "Communication Protocol for Multi functional Energy Meters" and the "2009 Heilongjiang Electric Power Co., Ltd. Energy Meter Terminal Acquisition Project Equipment Procurement/Energy Meter Terminal Acquisition Equipment Bidding Document".

1.2 Specifications, Models, and Technical Indicators
Specification, model and pulse constant of DDSIF879 carrier single-phase electronic energy meter

model	Category	Reference voltage Un	Rated current In	Pulse constant imp/kWh
DDSIF879	single-phase	220V	5(30)A	one thousand and six hundred
			5(40)A	one thousand and six hundred
			5(50)A	one thousand and six hundred
			10(40)A	one thousand and six hundred
			10(50)A	one thousand and six hundred
			10(60)A	one thousand and six hundred
			15(60)A	one thousand and six hundred
			20(80)A	eight hundred

working voltage	0.7 Un��U��1.2 Un
Voltage line power consumption	�� 1.5W and 6VA
Backup battery voltage	3.6VDC

Clock parameters

Clock accuracy	0.5S/d��23�棩
battery capacity	��1.2Ah

climatic conditions

Normal operating temperature range	-30�桫+55��
Extreme operating temperature range	-45��~+70��
Storage and transportation temperature range	-45�桫+80��
Storage and working humidity range	��85%

technical parameters

measurement range	0��999999.99 kWh
Display	liquid crystal
Baud rate	Infrared: 1200bps

safety performance
AC insulation voltage test: The test voltage is 4kV, which meets the requirements of GB/T17215. Impulse voltage test: The impulse voltage is 6kV, which has passed the EMC test and meets the requirements of GB/T17215. Under the condition of 1.9Un, the electricity meter remains undamaged for 4 hours.

[electricity meter]DTSDI79 Type Three phase Electronic Multi functional Carrier Energy Meter

2026-6-17 13:57:31

1. Product Introduction
The DTSDI79 three-phase electronic multifunctional carrier energy meter is an assessment instrument designed and manufactured based on the actual power consumption of industrial users, using large-scale integrated circuits, digital sampling processing technology, and SMT technology. This electric energy meter is suitable for multi rate electric energy meters for small and medium-sized users, and is a multifunctional electric energy meter for non ordinary industrial three-phase metering point assessment.
The performance indicators of the DTSDI79 three-phase electronic multifunctional carrier energy meter comply with the technical requirements of GB/T17215 "Level 1 and Level 2 Static AC Active Energy Meter" and DL/T698-1999 "Technical Conditions for Centralized Meter Reading System for Low Voltage Power Users", and its communication complies with the requirements of DL/T645 "Multi functional Meter Communication Protocol".
This meter can measure active power, demand, and reactive power in a time-sharing manner; Display various data as needed; Communicate through carrier wave, infrared interface or RS485 interface to monitor operating parameters and achieve various functions such as data recording and storage.

2. Functional features
measurement function
1) Time division measurement of positive and negative active energy (active energy measurement method can be set), and storage of current, last month, and previous month data;
2) Time division measurement of forward and reverse reactive power (reactive power measurement method can be set), and storage of current, last month, and previous month data;
3) Measure the total active and reactive energy, and store data for the current, previous, and previous months;
4) Time division measurement of reactive energy in four quadrants, and storage of current, last month, and previous month data;
5) Measure the maximum demand and occurrence time of forward and reverse active power in a time-sharing manner, and store the current, last month, and previous month data;
6) Time division measurement of maximum reactive power demand and occurrence time in both forward and reverse directions, and storage of current, last month, and previous month data;
7) The maximum demand cycle is available in 5, 10, 15, 30, and 60 minutes.
Ø Multiple rate function
1) Programmable 4 rates, 12 time periods, 5 daily time period tables, 4 time zones, 12 public holidays, and 3 days of Spring Festival;
2) It has a backup period function (not switched when the date and year are �� 96), and records the number of switches, switching time, and the amount of electricity at the time of switching. The rate switch is immediately performed after regular time calibration;
3) The external clock chip has calendar, timing, and anniversary automatic switching functions, as well as temperature compensation function.

display function
1) LCD display, able to display clearly within the temperature range of -30 �� to+55 ��;
2) Equipped with automatic parameter rotation display function, the parameters, time, and sequence of the rotation display can be set arbitrarily;
3) Equipped with button display function, the display content and order can be set arbitrarily;
4) Use the remote control to view any data content;
5) Equipped with backlight function, the backlight can be illuminated through remote control or button operation. Whether the backlight is activated during power outage and wake-up can be set;
6) It has the function of automatically displaying self check information codes every minute.
Ø Communication function
1) The electricity meter has two RS485 interfaces, one infrared communication interface, and one carrier communication interface. A PC or handheld computer can communicate with the electricity meter through three communication interfaces simultaneously, truly achieving three party communication without interference. Infrared broadcast timing does not need to be limited by programming switches;
2) The RS485 interface is electrically isolated from the inside of the meter and is designed with lightning protection circuits;
3) The communication protocol refers to DL/T645;
4) Both 485 �� and 485 �� ports have dynamic baud rate communication function;
5) Meet the communication function of carrier packaged data in the Heilongjiang Energy saving Information Collection and Management System.

Output function
1) It has the function of outputting active and reactive power test pulses, as well as positive and negative active and positive and negative reactive power pulse test (remote control) ports;
2) It has multifunctional output function, which can realize output functions such as 1Hz clock, demand cycle replacement signal, time period switching signal, remote control, overload tripping, etc;
3) It has alarm light and buzzer alarm functions, and the buzzer is controlled by voice controlled alarm status words.

Event recording function
1) Real time measurement of effective values such as A, B, and C three-phase voltage, current, power, frequency, etc;
2) It has event recording functions such as loss of voltage, total loss of voltage, phase failure, loss of current, overvoltage, undervoltage, overcurrent, power outage, programming, demand reset, broadcast timing, meter/end cap opening, voltage qualification rate, etc. It also has self checking error codes, password setting, and closing switch functions inside the instrument;
3) It has the function of freezing the battery level before the last 9 data clearances.

special function
1) Equipped with power outage button wake-up function, infrared and light wake-up functions, light wake-up is optional (within 3 days of power outage), and infrared meter reading can be awakened during power outage;
2) It has the functions of fault information prompt and alarm (LCD, alarm light);
3) Load represents the hourly energy recording function of the day;
4) Equipped with power data packet function;
5) It has the function of recording load curves (up to 2 types of loads can be recorded), the freezing time of load curves can be set, and the data can be copied back through a PC;
6) It has the function of freezing data for the past 48 hours, and freezes data to make up for zero during power outages;
7) It has the functions of instant freezing, zero point freezing, and time zone end energy freezing;
8) Optional lid opening recording function;
9) It has the function of freezing positive active energy from 0:00 to 23:00 today and yesterday.

3. Technical indicators
Comparison Table of Specifications, Models, and Pulse Constants

model	Category	Reference voltage Un (V)	Rated current In (A)	Active pulse constant (imp/kWh)	Reactive pulse constant (imp/kvarh)
DTSDI79	three-phase four-wire	3×220/380	3×1(2)	twelve thousand and eight hundred	twelve thousand and eight hundred
			3×1.5(6)	six thousand and four hundred	six thousand and four hundred
			3×5(10)	one thousand and six hundred	one thousand and six hundred
			3×5(20)	one thousand and six hundred	one thousand and six hundred
			3×5(40)	one thousand and six hundred	one thousand and six hundred
			3×10(40)	one thousand and six hundred	one thousand and six hundred
			3×10(60)	four hundred	four hundred
			3×15(60)	four hundred	four hundred
			3×20(80)	eight hundred	eight hundred
			3×30(100)	two hundred	two hundred

Accuracy level active 0.5S level 1.0 level reactive 2.0 level
Rated frequency 50Hz
Starting current active 0.001In (0.5 level) 0.002In (1.0 level) reactive 0.003In (2.0 level)
Submersible with anti creep logic design
Dimensions: 293mm × 175mm × 80mm (large tail), 263mm × 175mm × 80mm (small tail)
Weight approximately 2.4kg
Electrical parameters

Normal operating voltage	0.8Un��1.1Un
Extreme working voltage	0.75Un��1.2Un
Voltage line power consumption	�� 2W and 5VA
Power consumption of current circuit	��1VA
Data backup battery voltage	3.6VDC
Power outage meter reading battery voltage	6.0VDC

Rate work parameters

Clock accuracy (daily error)	�� 0.5S
battery capacity	�� 1000mAh
Data retention time after power outage	�� 10 years (using new batteries)

climatic conditions

Normal operating temperature	-25�桫+55��
Extreme working temperature	-40�桫+70��
Storage and transportation temperature	-40�桫+70��
Storage and working humidity	�� 85%

technical parameters

rate number	four
Number of time periods	twelve
Measurement range	0��999999.99 kWh ��0��999999.99 kvarh
Display	liquid crystal
Baud rate	RS485 �� port: 1200bps~9600 bps, RS485 �� port: 1200bps Infrared interface: 1200bps
communication protocol	DL/T645 Multifunctional Energy Meter Communication Protocol or Local Protocol

[electricity meter]DDSIY879 Type Carrier Single Phase Electronic Prepaid Energy Meter

2026-6-17 13:57:23

1�� Product Overview
The DDSIY879 carrier single-phase electronic prepaid energy meter is based on an energy metering chip and microcontroller, absorbing and digesting the functional advantages of similar products at home and abroad. It uses an intelligent CPU card as the purchasing medium and has a bank financial card confidentiality level to ensure security; In addition, the product has a power line carrier communication interface, which can achieve carrier communication function. This electric energy meter has the characteristics of accurate measurement, low power consumption, strong overload capacity, long service life, good anti-interference performance, and high reliability.
The main indicators of this table are superior to GB/T18460.3-2001 Prepaid Electricity Meter and DL/T698-1999 Technical Conditions Standard for Low Voltage Power User Centralized Meter Reading System.

2�� Technical specifications of DDSIY879 carrier single-phase electronic prepaid energy meter

project	Main technical parameters and specifications
accuracy class	Level 1.0/Level 2.0
Reference frequency	50Hz
display range	000000.00�D�D999999.99kWh
IC card encryption method	CPU card, ESAM module, 3DES encryption
prepaid	Adopting the residual power mode
carrier communication	PSK modulation, spread spectrum pseudocode 15 bits, center frequency 120K, bandwidth 15KHz
Infrared communication distance	��10m
power consumption	Static less than 1.5W, carrier transmission less than 3W
MTBF	Better than 9 * 104 hours
power supply voltage	AC154-264V
Reference current	5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A
pulse constant	3200imp/kWh ��1600imp/kWh��800imp/kWh��400imp/kWh
Trip control mode	External shunt release switch
Control relay capacity	5A/220V
Project	Main technical parameters and specifications
Power pulse output parameters	Pulse width of 80 ms ± 20%, 5-24V DC voltage provided externally
Overall dimensions	174mm×116 mm×68 mm
Operating Temperature	-20�桫50��
relative humidity	45%��75%
Storage and transportation temperature	-25�桫75��

[electricity meter]DTSIYF/DSSIYF79 Carrier Three Phase Four Wire Electronic Prepaid Time of Use Energy Meter

2026-6-17 13:57:15

1�� Product Overview
The DTSIYF79 carrier three-phase four wire electronic prepaid time-sharing energy meter is a new generation intelligent energy meter that uses high-performance single-chip microprocessors and specialized integrated circuits for energy measurement, and adopts advanced SMT technology. It has been carefully optimized, designed, and manufactured. This meter adopts CPU card technology and has functions such as prepaid, self check, pre alarm, online and offline query, and card replacement. At the same time, it can also achieve time-sharing energy metering. This series of meters has the advantages of high accuracy, strong overload capacity, low power consumption, high reliability, good confidentiality, and stable performance. Its main technical indicators are superior to the GB/T18460.3-2001 and GB/T15284-2002 standards, as well as the DL/T698-1999 technical specification standards for low-voltage power user centralized meter reading systems.

2�� Main functions of DTSIYF/DSSIYF79 carrier three-phase four wire electronic prepaid time-sharing energy meter
1) Intelligent control function
The meter has functions such as prepayment, pre alarm, and load control.
2) Time sharing metering function
It can be divided into four rates, calculated based on peak, off peak, off peak, and off peak hours.
3) Remaining battery calculation function
Calculate the remaining power in the energy meter.
4) Time period setting function
The time period (peak, off peak, flat, valley) parameters in the system can be set according to actual needs.
5) Card replacement function
If the purchased power card is lost or damaged, it can be replaced. If the purchased power card has already been plugged into the energy meter, then the purchase in the replacement card
Invalid battery level; If not plugged in, you can input the purchased power. Afterwards, the functions of card replacement and power card purchase are completely the same.
6) Monitoring function
Automatically detect external components, display "E - Error Number", and write fault information back on the user's power purchase card. When an illegal card is inserted, record the number of illegal card insertions.
7) Carrier communication function
The electricity meter has a standard carrier communication interface and can communicate with external devices. The carrier communication protocol complies with the power industry standard DL/T645-1997 Electricity Meter Communication Protocol, and there are also some custom protocols.
8) Infrared communication function
The electricity meter can communicate with the infrared interface of the handheld device through an infrared interface. The protocol it complies with is the same as the RS485 protocol. The communication baud rate is 1200.
9) Carrier communication function
The electric energy meter has a power line carrier (PLC) communication interface, and its communication protocol meets the "Design Specification for Multi functional Electric Card Meters in Hebei Province".

3�� Specifications and technical parameters
1) Electrical parameters
Accuracy level: 1.0
Rated frequency: 50Hz ± 5%
Reference voltage: AC3X220/380V
Extreme working voltage: 70% Un~120% Un
Reference current: 3X1.5 (6) A, 3X5 (20) A, 3X10 (40) A, 3X20 (80) A
Pulse constants: 3200 imp/kWh, 1600 imp/kWh, 800 imp/kWh, 200 imp/kWh
Maximum current: 4 times or more the basic current Ib, and the energy meter will not be damaged when operating at 1.2Imax.
Voltage circuit power consumption:<1.5W, 5VA (per phase)
Current circuit power consumption:<1.0VA (per phase)
2) Environmental conditions
Extreme working temperature: -40 ��~70 ��
Storage and transportation temperature: -30 ��~70 ��
Annual average humidity: �� 85%
3) Rate and time period working parameters:
Clock accuracy: 0.5S/d (23 ��). When the battery provides clock power, the timing accuracy after 12 hours is better than 1s/d; The allowable change in temperature is 0.1s/(d ·��).
Battery capacity: 1200mAh (green and environmentally friendly column lithium battery, CR 1/2 AA type)
Data retention time after power outage: �� 10 years
Battery power consumption after power outage: �� 10 �� A.

[electricity meter]Single phase electronic prepaid multi rate electricity meter

2026-6-17 13:57:06

I. Overview
DDSYF879 single-phase electronic prepaid multi rate energy meter (hereinafter referred to as "instrument") is designed and manufactured based on the actual electricity consumption of residents. It has high accuracy and reliability.
This instrument adopts advanced energy metering and single-chip microcontroller integrated dedicated chips, designed in combination with mature multi rate and prepaid technologies, and is a high-tech product manufactured using 16 bit digital sampling processing technology and SMT process. The key components are selected from internationally renowned long-life devices, which improves the reliability and service life of the product. The data display adopts a large screen LCD, which is convenient for meter reading.
This instrument can realize functions such as time-sharing metering prepayment, setting daily meter reading, handheld computer programming, and meter reading; Can set 2 time zones, 4 rates (peak T1, peak T2, flat T3, valley T4), 12 daily time periods, and 12 public holidays; And it has infrared and 485 communication functions, which can achieve long-distance meter reading. The communication protocol can support DL/T 645-1997 "Multi functional Instrument Communication Protocol", providing necessary conditions for electrical automation management.
Its performance indicators comply with the technical requirements for electronic active energy meters in GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters", meet the technical requirements for multi rate instruments in GB/T15284-2002 "Multi rate (Time of use) Energy Meters", and comply with the technical requirements of GB/T18460-2001 "IC Card Prepaid Electricity Sales System".

2�� DDSYF879 Single phase Electronic Prepaid Multi rate Energy Meter Main Functions
This instrument has the following basic functions:
�� Forward and reverse time-sharing active power metering, divided into four rates (T1, T2, T3, T4), twelve time periods, and two time zones
�� Infrared communication, programming settings, and meter reading can be performed through a handheld computer
�� All data parameters can be viewed by pressing the button (can be viewed by clicking or double clicking the lookup key)
�� Record the total active power consumption and hourly power consumption for 12 months, and the data can be collected through infrared or 485 methods
�� Wide temperature large screen LCD backlight 6+2 digital display; Memory data is guaranteed not to be lost after power failure
�� Having the ability to purchase electricity before using it, and automatically freezing the monthly electricity consumption rates on designated meter reading days
�� IC card can be used for parameter settings and supports high-capacity meter reading function (one card can read electricity data from 169 households)
�� Overload power-off protection and recording function (aimed at protecting the circuit breaker from burning out due to long-term overload)
�� Real time measurement and display of parameters such as voltage, current, and power
�� Fault self diagnosis function (diagnosis scope includes load switch, EEPROM, IC card data)
⑪ Can set non working hours and emergency credit periods without interruption on public holidays
⑫ Equipped with power on/off recording function (saving the last 5 power on/off time records)
⑬ Equipped with a lid opening and closing record function (saving the last 5 lid opening and closing time records, stacking the number of lid openings)
⑭ Equipped with real-time clock, voltage, and current display functions; Monitor and display the operating status of power supply, power grid, and instruments
⑮ Equipped with lid opening, overvoltage, and undervoltage power-off protection functions (optional)
⑯ Equipped with an external sound alarm output interface (optional)
⑰ Equipped with built-in sound and light alarms, as well as tripping and power-off functions
⑱ When overloaded, can the alarm and trip signal outputs be controlled by selecting whether to allow alarm tripping
⑲ When the remaining power is less than or equal to the alarm set value, the instrument can control the output of alarm and trip signals by selecting whether to allow alarm and trip
⑳ When the remaining power is zero, the instrument outputs a trip signal to power off the instrument
3�� Technical indicators
4.1 Accuracy Level Active 1.0 2.0 Level
4.2 Reference voltage 220V
4.3 Rated current 1.5 (6) A, 2.5 (10), 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A
4.4 Rated frequency 50Hz
4.5 Starting current level 1: �� 0.004In
Level 2: �� 0.005In
4.6 Stealth with anti creep logic design
4.7 External dimensions 181mm ´ 116mm ´ 70mm
4.8 Weight approximately 1 kg

4.9DDSYF879 Single phase Electronic Prepaid Multi rate Energy Meter Electrical Parameters

Normal operating voltage	0.9Un��1.1Un
Extreme working voltage	0.75Un��1.15Un
Voltage line power consumption	�� 3W and 12VA
Power consumption of current circuit	��4VA
Data backup battery voltage	3.0VDC

4.10 Rate Working Parameters

Clock accuracy (daily error)	��0.5S (23��)
battery capacity	��1000mAh
Data retention time after power outage	�� 10 years (using new batteries)

4.11 Climate conditions

Normal operating temperature	-20�桫+50��
Extreme working temperature	-30�桫+60��
Storage and transportation temperature	-40�桫+70��
Storage and working humidity	��85%

4.12 Technical Parameters

rate number	four
Number of time periods	twelve
Number of time zones	two
Measurement range	0��999999.99 kWh
Display	LCD with backlight source
Baud rate	RS485:1200bps��9600 bps�� Infrared port: 1200bps
communication protocol	DL/T645-1997 Multifunctional Instrument Communication Protocol

[electricity meter]DTSYF/DSSYF79 electronic prepaid multi rate electricity meter

2026-6-17 13:56:58

I. Overview
The DTSYF-79/DSSYF-79 three-phase electronic prepaid multi rate electricity meter (hereinafter referred to as the "instrument") is designed and manufactured based on the actual electricity consumption of residents. It has high accuracy and reliability.
This instrument adopts advanced energy metering and single-chip microcontroller integrated dedicated chips, designed in combination with mature multi rate and prepaid technologies, and is a high-tech product manufactured using 16 bit digital sampling processing technology and SMT process. The key components are selected from internationally renowned long-life devices, which improves the reliability and service life of the product. The data display adopts a large screen LCD, which is convenient for meter reading.
This instrument can realize functions such as time-sharing metering prepayment, setting daily meter reading, handheld computer programming, and meter reading; Can set 2 time zones, 4 rates (peak T1, peak T2, flat T3, valley T4), 12 daily time periods, and 12 public holidays; And it has infrared and 485 communication functions, which can achieve long-distance meter reading. The communication protocol can support DL/T 645-1997 "Multi functional Energy Meter Communication Protocol", providing necessary conditions for electricity automation management.
Its performance indicators comply with the technical requirements for electronic active energy meters in GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters", the technical requirements for multi rate energy meters in GB/T15284-2002 "Multi rate (Time of use) Energy Meters", and various technical requirements in GB/T18460-2001 "IC Card Prepaid Electricity Sales System".

2�� Main functions of DTSYF/DSSYF79 electronic prepaid multi rate energy meter
Prepaid multi rate energy meters have the following basic functions:
�� Forward and reverse time-sharing active power metering, divided into four rates (T1, T2, T3, T4), twelve time periods, and two time zones
�� Infrared communication, programming settings, and meter reading can be performed through a handheld computer
�� All data parameters can be viewed by pressing the button (can be viewed by clicking or double clicking the lookup key)
�� Record the total active power consumption and hourly power consumption for 12 months, and the data can be collected through infrared or 485 methods
�� Wide temperature large screen LCD backlight 6+2 digital display; Memory data is guaranteed not to be lost after power failure
�� Having the ability to purchase electricity before using it, and automatically freezing the monthly electricity consumption rates on designated meter reading days
�� IC card can be used for parameter settings and supports high-capacity meter reading function (one card can read electricity data from 169 households)
�� Overload power-off protection and recording function (aimed at protecting the circuit breaker from burning out due to long-term overload)
�� Real time measurement and display of parameters such as voltage, current, and power
�� Fault self diagnosis function (diagnosis scope includes load switch, EEPROM, IC card data)
⑪ Can set non working hours and emergency credit periods without interruption on public holidays
⑫ Equipped with power on/off recording function (saving the last 5 power on/off time records)
⑬ Equipped with lid opening record function (saving the last 5 lid opening and closing time records, stacking the number of lid openings)
⑭ Equipped with real-time clock, voltage, and current display functions; Monitor and display the operation status of power supply, power grid, and electricity meter
⑮ Equipped with an external sound alarm output interface (optional)
⑯ Equipped with built-in sound and light alarm, trip and power-off functions (optional external alarm output interface)
⑰ When overloaded, can the alarm and trip signal outputs be controlled by selecting whether to allow alarm tripping
⑱ When the remaining power is less than or equal to the alarm set value, the alarm and trip signals can be controlled by selecting whether the meter allows for alarm and trip
⑲ When the remaining power is zero, the meter outputs a trip signal

3�� Technical Specifications for DTSYF/DSSYF79 Electronic Prepaid Multi Rate Energy Meter
4.1 Accuracy Level Active 1.0 2.0
4.2 Reference voltage 3 × 220/380V 3 × 57.7/100V (three-phase four wire) 3 × 100V (three-phase three wire)
4.3 Rated current 3 × 1.5 (6) A, 3 × 5 (20) A, 3 × 10 (40) A, 3 × 15 (60) A, 3 × 20 (80) A
4.4 Rated frequency 50Hz
4.5 Starting current level 1: �� 0.002In (connected via transformer), �� 0.004Ib (directly connected)
Level 2: �� 0.003In (connected via transformer), �� 0.005Ib (directly connected)
4.6 Stealth with anti creep logic design
4.7 External dimensions 278mm ´ 174mm ´ 77mm
4.8 Weight approximately 2.5kg
4.9 Electrical Parameters

Normal operating voltage	0.9Un��1.1Un
Extreme working voltage	0.75Un��1.15Un
Voltage line power consumption	�� 2W and 5VA
Power consumption of current circuit	��1VA
Data backup battery voltage	3.0VDC

4.10 Rate Working Parameters

Clock accuracy (daily error)	��0.5S (23��)
battery capacity	��1000mAh
Data retention time after power outage	�� 10 years (using new batteries)

4.11 Climate conditions

Normal operating temperature	-20�桫+50��
Extreme working temperature	-30�桫+60��
Storage and transportation temperature	-40�桫+70��
Storage and working humidity	��85%

4.12 Technical Parameters of DTSYF/DSSYF79 Electronic Prepaid Multiple Rate Energy Meter

rate number	four
Number of time periods	twelve
Number of time zones	two
Measurement range	0��999999.99 kWh
Display	LCD with backlight source
Baud rate	RS485:1200bps��9600 bps�� Infrared port: 1200bps
communication protocol	DL/T645-1997 Multifunctional Energy Meter Communication Protocol

[electricity meter]DDSF89 Single phase multi rate electronic energy meter

2026-6-17 13:56:49

The DDSF89 single-phase multi rate electronic energy meter consists of a single-phase metering unit, a multi rate unit, and a communication unit; Using high-quality imported specialized measuring chips for measurement, and built-in relays for remote power on/off and load control functions; Built in RTC clock can achieve multi rate function; The table also uses a Chinese character LCD screen to display various data and information; And it has infrared (optional), M-BUS (RS485) or carrier communication interfaces. This meter has significant advantages such as high measurement accuracy, good stability, strong overload capacity, and high reliability, and can be used to measure single-phase AC active energy with a frequency of 50Hz; It is the preferred measuring instrument for implementing time-sharing metering in the power sector.

Product features
1. Remote power on/off function: Remote power on/off function can be achieved through M-BUS/RS485 communication.
2. Alarm function
2.1. The maximum power allowed can be set. If the electrical load continuously exceeds the maximum power within the set time, the energy meter will provide a power-off reminder; When the recovery time (adjustable) is reached, power will be automatically restored.
2.2. When the electricity meter shows an abnormality, the LCD displays the corresponding code alarm
3. Multi rate function
3.1. Measure the peak, off peak, off peak, and off peak electricity rates in both forward and reverse directions. Accumulate the reverse electricity and include it in the forward electricity rate. At the same time, measure the reverse electricity rate separately.
3.2. Automatically save current power data and the last 12 months' power data.
3.3. Four fees for peak, off peak, off peak, and off peak periods, with a maximum duration of 10 days; Automatically freeze the monthly electricity data on the meter reading day, and support manual freezing of current electricity data through RS485.
3.4 M-BUS (RS485) or infrared, carrier communication interfaces can be used for parameter settings and can read relevant data from the energy meter.
4. Event recording function
4.1. Automatically record at least the last three programming times and programming content
4.2. Automatically record the start and end times of the last three instances of electricity meter overload.
4.3 Automatically record the start and end times of the last three remote power outages.
5. Other functions
5.1 Key display function: Press the blue button on the energy meter panel to alternately display relevant data and information.
5.2 During a power outage, press the blue button on the energy meter panel to wake up the meter and display relevant data and information alternately.
5.3. The red button is the programming permission button. Before programming the electricity meter, press this button once. After programming is complete, press the button again to cancel the programming permission; This key is protected by a lead seal.

technical parameters
1. Specifications
Voltage:~220V
Current: 1.5 (6) A5 (20) A5 (30) A10 (40) A15 (60) A20 (80) A
Accuracy level: 1.0 level, 2.0 level
Constant: 6400 imp/kwh, 3200 imp/kwh, 1600 imp/kwh, 800 imp/kwh
Starting current: 0.4% Ib
Stealth: equipped with anti creep logic circuit
2. Basic error

current value	power factor	Percentage error limit
0.05Ib 0.1Ib~Imax	one	±1.5 ±1.0
0.1Ib	0.5 (Sensory) 0.8 (capacitive)	±1.5
0.2Ib~Imax	0.5 (Sensory) 0.8 (capacitive)	±1.0

3. Performance indicators
3.1 Working voltage:~154V -~264V
3.2. Power consumption of the whole machine: less than 2W
3.3 Working temperature: -30 �� to+60 ��
3.4. Extreme working temperature: -40 �� to+70 ��
3.5. Relative humidity: 25% to 95%
3.6 Clock accuracy: better than 3S/d at operating temperature
3.7. Battery capacity: 1.2AH
3.8 Display: Chinese character LCD screen (optional with backlight panel)
3.9 Communication interface: RS485 (M-BUS), infrared (optional) or carrier wave
3.10. Communication baud rate: can be set within the range of 1200, 2400, 4800, 9600bps, default 1200bps
3.11. Dimensions: 172mm × 115mm × 67mm
3.12. Weight: Approximately 0.75kg

[electricity meter]DDS26 single-phase electronic anti-theft electricity meter

2026-6-17 13:56:47

summary:
The DDS26 single-phase electronic energy meter (V) is used to measure single-phase AC active energy with a rated frequency of 50/60Hz, and all its performance meets all technical requirements for Class 1 single-phase energy meters in the GB/T17215-2002 standard.

Function:
It has anti electricity theft function and adopts dual metering, effectively preventing electricity theft behaviors such as one fire, one ground, and reverse electricity consumption. For reverse electricity consumption, it can still be measured normally according to forward electricity consumption. At the same time, it has the characteristics of long lifespan, high accuracy, low power consumption, small size, light weight, and high overload capacity.
Applicable conditions:
Environmental temperature: -25 ��~65 ��, relative humidity not exceeding 100%.
Working voltage range:
220V/230V/240V��-30%+20%�� Frequency range: 50Hz ± 5%.

DDS26 single-phase electronic anti-theft electricity meter (V) product specifications:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26	1.0, 2.0	220V��230V��240V	5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Main technical indicators:

Rated frequency: 50/60Hz	Meter display: 5-digit integer, 1-digit decimal
Meter constant: 3200imp/kWh ��5(20)A��5(30)A��5(40)A 1600imp/kWh 10(40)A��10(50)A��10(60)A	Power consumption: Voltage line �� 0.8W Current line �� 0.2VA
	Overall dimensions: 133.5mm×118mm×51mm
Starting current: 0.004Ib, 0.002Ib	Weight: 0.4Kg
Stealth: The electric energy meter has an anti creep logic circuit	Service life: 10 years

[electricity meter]DDSY89 single-phase electronic prepaid energy meter

2026-6-17 13:56:41

The DDSY89 single-phase electronic prepaid energy meter uses imported single-phase energy metering chips and is manufactured using SMT meter mounting and wave soldering processes; The product has the characteristics of anti-theft, high precision, high reliability, high overload, low power consumption, small size, and light weight; It can be widely used for measuring single-phase AC active energy in urban and rural residents, factories, enterprises, commercial areas, etc., to achieve prepaid electricity purchase function.

DDSY89 single-phase electronic prepaid energy meter features:
1. Full electronic single-phase active energy metering
2. Automatic anti-theft of electricity, reverse active power is included in forward active power
3. Wide range, high precision, long lifespan, calibration free, maintenance free
4. Prepaid IC card for electricity, with built-in high-power magnetic holding relay to control power on and off
5. Equipped with sound and light alarm function, low battery level 2 alarm prompts for purchasing electricity
6. Automatic power-off and delayed restoration of power supply can be set when overloaded
7. Triple data backup, data saved for ten years without loss after power outage
8. The large screen LED displays both accumulated and remaining battery levels clearly and intuitively
9. Optional multi rate function
10. One table, one card, can choose logical encryption card and RF card, safe and reliable

Technical parameters:
1. Standard: GB/T17215-2002 (IEC61036:2000, IDT)
GB/T18460-2001 DL/T645-1997
2. Accuracy level: Level 1, Level 2
3. Reference voltage: 220V
4. Current specifications: 5 (20), 10 (40), 5 (30) A, 5 (40) A
5. Reference frequency: 50Hz/60Hz
6. Working voltage: 0.8Un~1.2Un Extreme working voltage: 0.7 Un~1.9 Un
7. Working temperature: -25 ��~+55 �� Extreme working temperature: -35 ��~+65 ��
8. Power consumption: Voltage circuit �� 1W, 5VA current circuit �� 1VA (1b)
9. Lifespan: �� 20 years
10. Pulse output: Optoelectronic isolated passive output, pulse width of 80mS ± 5mS
11. Communication protocol: DL/T645-1997, provincial and municipal protocols or customized according to user requirements
12. Dimensions: LED display 165 × 114 × 66mm (length × width × height)

[electricity meter]DTS(X)27 type three-phase four wire electronic active (reactive) combined energy meter

2026-6-17 13:56:33

DTS (X) 27 type three-phase four wire electronic active (reactive) combined energy meter

summary:
The three-phase electronic active and reactive combined energy meter adopts the latest microelectronics technology and is used to measure three-phase AC active and reactive energy with a rated frequency of 50/60Hz.
Function:
Electricity metering:
Active energy metering (only one of the following metering methods can be used)
A�� Measurement of positive cumulative active power (KWh);
B�� Measurement of reverse cumulative active power (KWh);
C�� Accumulate reverse active energy as forward active energy;
Active power consumption: Unit: kWh
Reactive energy measurement (only one of the following measurement methods can be used)
A�� Measure positive cumulative reactive power (kvarh);
B�� Measurement of reverse cumulative reactive power (kvarh);
C�� Reverse reactive energy is accumulated based on forward reactive energy;
D�� The reactive energy measurement values for quadrants I and IV are 8 digits, including 6 integers and 2 decimals.
Reactive power consumption: Unit: kvarh
Applicable conditions:
The ambient temperature should be between -25 �� and+65 ��, and the relative humidity should not exceed 85%.
Working voltage range:
Not available

The main technical indicators of DTS (X) 27 three-phase four wire electronic active (reactive) combined energy meter are:

The first level active technical indicators of the three-phase electronic active and reactive combined energy meter comply with GB/T 17215-2002, and the 0.5S level active technical indicators comply with GB/T 17883-1999. The second level reactive technical indicators comply with GB/T 17882-1999.

Product Specifications

specification Product Name	accuracy class		rated voltage ��V��	Calibration current (A)	pulse constant
	meritorious	no merit			imp/kWh	imp/kvarh
DTS (X) 27 type Three phase four wire electronic active and reactive power combination meter	one	two	3×220/380V 3×230/400V 3×240/415V	5(20)A	eight hundred
				5(30)A
				10(40)A	four hundred
				10(60)A
DTS (X) 27 type Three phase four wire electronic active and reactive power combination meter	one 0.5S	two	3×220/380V 3×230/400V 3×240/415V	1(2)A 1.5(6)A 5(6)A	six thousand and four hundred
			3×57.7/100V
DSS (X) 27 type Three phase three wire electronic active and reactive power combination meter	one 0.5S	two	3×100	1(2)A 1.5(6)A 5(6)A	six thousand and four hundred

[electricity meter]DTSD31(32) electronic multifunctional energy meter

2026-6-17 13:56:24

DTSD31/32 and DSSD31/32 three-phase electronic multifunctional energy meters are high-tech intelligent power metering instruments integrated with proprietary high-tech technology by Shenzhen Sida Instrument Company
This series of three-phase electronic multifunctional energy meters adopts advanced technologies such as large-scale dedicated integrated circuits, FRAM ferroelectric storage technology, isolated standard RS485/RS232 communication interface, infrared communication, large screen wide temperature LCD display, real-time clock dedicated chip, electromagnetic compatibility design, etc
Adopting advanced SMT electronic assembly technology, fully considering the user's electrical condition and the electromagnetic compatibility of electrical equipment, the new generation of electric energy measuring instruments are carefully designed and manufactured in accordance with IEC standards, national standards, and ISO9001 quality assurance system
This series of three-phase electronic multifunctional energy meters integrates numerous functions, achieving three-phase visual, active (bidirectional), reactive (four quadrant) energy measurement, demand measurement, and display
Time of use measurement and data processing of electricity and demand based on corresponding rates; Measure and display real-time electrical parameters such as power, power factor, voltage, current, frequency, etc
Remote transmission of data related to load and electricity parameter curves
It has functions of pressure loss recording, alarm, and display. Thus, it can effectively and timely meet the needs of users for modern electricity management, and is a specialized measuring instrument that adapts to the modernization of electricity management
The DTSD31 (32) electronic multifunctional energy meter can be widely used in power plants, power supply substations, metering gateways, and comprehensive energy measurement and management of various enterprises and institutions

DTSD31 (32) electronic multifunctional energy meter functions:
measurement function
1. Electricity metering
1) Measure and display the cumulative total electricity, peak electricity, off peak electricity, off peak electricity, and valley electricity of active power, reverse active power, and reactive power in the four quadrants so far, as well as last month and the previous month.
2) Measure and display the cumulative total, peak, off peak, and valley electricity of positive and negative reactive power up to now, as well as the previous month and the previous month.
3) The electric energy measurement value is 8 digits, including 6 integers and 2 decimals
2. Quantity measurement
1) Record and display the forward active power, reverse active power, and four quadrant reactive power of this month, last month, and the previous month; The maximum demand for forward reactive power and reverse reactive power, as well as the date and time when this demand occurs.
2) Record and display the forward active power, reverse active power, four quadrant reactive power, forward reactive power, maximum demand for reverse reactive power, and the date and time of occurrence of the demand during the peak, peak, flat, and valley periods of this month, last month, and last month.
3) When the electric energy meter runs to the preset reading time, the maximum demand will be automatically read and reset to zero. At the same time, it can also be manually read and reset by an authorized person, and the date and time of manual reset will be recorded.
4) The demand measurement value is 6 digits, including 2 integers and 4 decimals.
3. Measurement of electrical parameters such as voltage, current, and power
1) Real time measurement and display of the effective values of phase voltage and phase current for phases A, B, and C.
2) Real time measurement and display of active and reactive power values for phases A, B, and C, as well as the total active and reactive power values for each phase.
3) Real time measurement and display of three-phase total power factor and power factor of each phase.
4) Real time measurement and display of grid frequency.
Multi rate function 1. This series of electric energy meters has four rates, namely peak, off peak, flat, and valley. It can be programmed as single, double, triple, or quadruple rates. Measure the positive and negative active power, four quadrant reactive power, positive and negative reactive power, and demand in a time-sharing manner during each rate period. 2. Choose from a schedule of national statutory holiday rates and time periods. 3. It has 12 programmable time zones, which means it can be programmed to a maximum of 12 time zones per year based on different seasons. 4. Each time zone has the option of working days off. 5. It has 12 sets of programmable daily time slot tables, each of which can be programmed with four rate time slots: peak, off peak, and off peak within 24 hours, up to a maximum of 12 time slots.
Event recording function 1: Record and display the date and time of the last 1-10 programming sessions. 2. Record and display the date and time of the last 1-10 times the maximum demand has been reset to zero. 3. Record and display the date and time of the last 1-10 times the electric energy meter has been initialized and reset to zero.
When the phase current I is �� 0.5% Ib, and any one or two phases of the three-phase voltage lose voltage or are below 70% Un ± 2V of the rated phase voltage, the energy meter will determine as a fault voltage loss. The energy meter will sound and light an alarm, display the fault phase, and record the starting date and time, ending date and time of the voltage loss. The number of voltage losses and cumulative time will be recorded in the voltage loss records of each phase according to the phase.
Overload alarm and trip function (optional) The electric energy meter has preset overload alarm and trip functions. When the three-phase active load exceeds the preset alarm value and trip value, the corresponding overload alarm/trip relay of the electric energy meter will act, outputting an alarm trip signal for users to achieve load control.
Load curve recording function 1. The electric energy meter has a three channel 30 minute interval and 84 day load curve recording function. 2. The load curve recording data can be transmitted to the upper management system through RS485/RS232 interface to draw the user's load curve for more reasonable electricity management.
According to user needs, the power management department can use the standard RS485/RS232 interface and power pulse output interface of our company's three-phase electronic multifunctional energy meter to form a remote meter reading management system through the negative control terminal or relevant transmission forms, realizing remote monitoring functions such as business meter reading and load monitoring for the power management department.
The power-off meter reading function of the electric energy meter has a backup battery for power-off meter reading. In the event of a power outage in the grid, the relevant operating parameters of the electric energy meter can still be viewed, and power-off meter reading of the electric energy meter can be achieved.
Applicable conditions:
Environmental temperature: -25 �� to+65 ��; Humidity: not exceeding 90%; The electric energy meter can choose to install load control alarm, trip signal output relay

Working voltage range:
Vn+20%-30%; Rated frequency: 50Hz/60Hz

Features:
The circuit design, component selection, welding assembly, repair and acceptance of electric energy meters are all based on large environmental tolerances, fully considering the electromagnetic compatibility and service life of electric energy meters. Therefore, it can ensure the long-term stable operation and accurate measurement of the electric energy meter. The accuracy of an electric energy meter is not affected by changes in time, frequency, temperature, voltage, etc. The whole machine has a small volume, light weight, good sealing performance, and beautiful appearance.
In the event of a power outage in the grid, the energy meter has a backup lithium battery for meter reading, which can be used without an external power source during the power outage. This meter reading mode does not affect the data storage of the electricity meter and the lifespan of the real-time clock battery.
The operation related information of the electric energy meter can be transmitted through infrared or RS485/RS232 interface.
When the power grid experiences a power outage, the energy meter uses a dedicated lithium battery as a real-time clock backup power source, fully ensuring the accuracy and reliability of the data set, measured, and recorded by the energy meter; The calendar clock and time slot program control functions are running normally. After the power grid is restored, the energy meter will automatically operate normally.
Install active, reactive, and clock pulse output interfaces on the terminal block of the electric energy meter for error testing or data acquisition.
The electric energy meter adopts a multi-phase power supply circuit, and can still work normally in a phase loss state. It does not affect the accurate measurement of the energy meter when there is voltage imbalance or load imbalance.
Electric energy meters are suitable for areas with an environment of -25 �� to 65 �� and a relative humidity not exceeding 90%.

DTSD31 (32) electronic multifunctional energy meter specifications:

Specification/Product Name		accuracy grade	Rated system voltage ��V��	Calibration current ��A��	pulse constant (imp/kWh&kvarh)
three phase electricity child formula many merit can electricity can watch	DTSD31 type three-phase four wire Electronic multifunctional energy meter	Merit: 0.5S Reactive power: 2.0	3×220/380	5(6)	three thousand and two hundred
				1(2)
			3×57.7/100	1.5(6)	six thousand and four hundred
				5(6)
				1(2)
	DTSD32 type three-phase four wire Electronic multifunctional energy meter	Merit: 1.0 Reactive power: 2.0	3×220/380	1.5(6)	three thousand and two hundred
				5(6)
				1(2)
			3×57.7/100	1.5(6)	six thousand and four hundred
				5(6)
				1(2)
	DSSD31 type three-phase three wire Electronic multifunctional energy meter	Merit: 0.5S Reactive power: 2.0	3×100	1.5(6)	six thousand and four hundred
				5(6)
				1(2)
			3×380	1(2)	three thousand and two hundred
				5(6)
	DSSD32 type three-phase three wire Electronic multifunctional energy meter	Merit: 1.0 Reactive power: 2.0	3×100	1.5(6)	six thousand and four hundred
				5(6)
				1(2)
			3×380	1.5(6)	three thousand and two hundred
				5(6)
				1(2)

Starting current:

Grade of electric energy meter			power factor
0.5S	one	two	power factor
0.001In	0.002In	0.003In	one

Diving: When the voltage circuit is applied with a rated voltage of 125% and the current circuit has no current, the test output pulse of the electricity meter should not exceed one.

Rate working parameters: Daily time slot adjustment margin: ± 1 minute Time slot adjustment margin: 1 day Clock error: �� 0.5S/d Backup power supply uses lithium environmentally friendly batteries, data storage time after power outage: �� 10 years

Dimensions: 284mm × 176mm × 93mm (without extended end cap) 339mm × 176mm × 93mm (with extended end cap)

Weight: Approximately 2.5kg

[electricity meter]DDS26D single-phase electronic wireless communication energy meter

2026-6-17 13:56:16

DDS26D single-phase electronic wireless communication energy meter

summary:
The DDS26D single-phase electronic wireless communication energy meter has wireless meter reading function, as well as functions such as wireless meter reading during power outages and sending wireless signals to meter readers when the energy meter is working abnormally or when the user's electricity consumption is abnormal; Thus, it can effectively and timely meet the needs of users for modern electricity management, and is a specialized measuring instrument that adapts to the modernization of electricity management. This product can be widely used in power plants for energy metering and management.

Function:

Equipped with wireless meter reading function
This energy meter integrates numerous functions to achieve active (bidirectional) energy measurement and display
Adopting the most advanced anti-theft technology, it has anti-theft characteristics such as preventing phase line wiring errors such as reversed incoming and outgoing lines, current circuit bypass, short circuiting, etc. from stealing electricity and external magnetic field influence, DC interference, etc. It also provides alarms and indications for electricity theft behavior
The active energy measurement value and operating status of the electric energy meter can be copied by a handheld computer (radio) through wireless communication.
Applicable conditions:
Not available
Working voltage range:
Rated voltage 220V

Technical parameters of DDS26D single-phase electronic wireless communication energy meter:
Accuracy Class 1.0
Calibration current 10 (60) A
Pulse constant 1600 imp/kWh
Calibration current Ib=10A
Starting current 0.004Ib
Display LCD, 6-digit integer, no decimal 6 integers, no decimal
Maximum current Imax=60A
Rated frequency 50Hz

[electricity meter]DDS26D single-phase electronic anti-theft electricity meter

2026-6-17 13:56:12

The DDS26D single-phase electronic anti-theft electric energy meter (I) is used to measure single-phase AC active energy with a rated frequency of 50/60Hz, and all its performance meets all technical requirements for Class 1 single-phase electric energy meters in the GB/T17215-2002 standard.

Function:
Can record, query, and rotate current month and historical cumulative electricity, power, current date and time information
It can record, query, and rotate the current month and historical maximum demand, as well as the date and time of occurrence.
Clock settings, display mode settings, and data queries can be performed through a dedicated handheld computer.
It has the most advanced anti-theft function.
Applicable conditions:
Environmental temperature: -25 ��~65 ��, maximum relative humidity: 100%.
Working voltage range:
220/230/240V(-30%��+20%)�� Frequency range: 50/60Hz ± 5%.

DDS26D single-phase electronic anti-theft electricity meter (I) specifications:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26D	one	220V��230V��240V	5(30)A
			10(60)A

Main technical indicators:

Rated frequency: 50/60Hz	LCD display: 5-digit integer, 2-digit decimal
Meter constant: 1600imp/kWh, 3200mmp/kWh	Weight: 0.73Kg
Starting current: 0.004Ib, 0.002Ib	Weight: 0.73Kg
Power consumption: Voltage line �� 1.0W, 6VA Current line �� 0.5VA	Dimensions: 192mm × 112mm × 60.5mm
Stealth: The electric energy meter has an anti creep logic circuit.	Dimensions: 192mm × 112mm × 60.5mm

[electricity meter]DDSY23S Single phase split type code prepaid energy meter

2026-6-17 13:56:08

DDSY23S single-phase split type code prepaid energy meter

summary:
DDSY23S single-phase split type code prepaid energy meter is an active energy metering instrument that uses digital media as the information exchange medium, and users load pre purchased electricity to settle electricity consumption based on electricity consumption. Equipped with a numeric keypad interface, it realizes the measurement and prepayment control functions of active energy. The measurement and monitoring parts are connected through a two-wire current loop. The metering section includes metering units, real-time clock units, load switches, and other auxiliary devices. The monitoring part includes a numeric keypad interface and display.

Function:
When the remaining power is zero or the agreed upon overdrawn power, a power-off signal can be sent to control the load switch to automatically cut off. Automatically restore after inputting newly purchased electricity
Has automatic detection function
Power outage event recording function.
Reverse electricity consumption is measured based on forward electricity consumption
Need calculation function
Can achieve load detection and control functions for electricity users
Applicable conditions:
Working temperature: -25 ��~+70 ��, storage temperature: -40 ��~+70 ��, maximum relative humidity: �� 95%
Working voltage range:
0.70Un~1.30Un. The prepaid meter works completely normally within this operating voltage range

Product Specifications

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDSY23S-mcu	one	220V��230V��240V	5(80)A

DDSY23S single-phase split type code prepaid energy meter technical parameters:

Rated frequency: 50Hz	Meter locking current (creep current): 5mA
Pulse constant of electric energy meter: 1600imp/kWh	LCD display: 6-digit integer, 2-digit decimal;
Meter starting current (0.4% Ib) 20mA	Weight: Depending on the specific product
Power consumption of the electric energy meter itself: Power consumption of voltage circuit: �� 2W 10VA (internal control 2W) Power consumption of current circuit: �� 4VA (internal control 0.2VA)	Dimensions: 140mm × 92mm × 40mm

The split code prepaid energy meter consists of two parts:

Measurement control unit: MCU
Display Unit: UIU

There are three ways to connect MCU and UIU:

1. Wired two-wire connection
2. Wireless connection
3. Power line carrier

[electricity meter]DDSY23S Single phase integral code prepaid energy meter

2026-6-17 13:55:59

DDSY23S single-phase code prepaid energy meter

summary:
DDSY23S single-phase code prepaid energy meter is an active energy metering instrument that uses digital media as the information exchange medium, and users load pre purchased electricity to settle electricity consumption based on electricity consumption. Equipped with a numeric keypad interface, it enables the measurement and prepayment control of active energy, as well as infrared communication and RS232/485 communication functions. Including metering units, real-time clock units, load switches, and other auxiliary devices.

Function:
When the remaining power is zero or the agreed upon overdrawn power, a power-off signal can be sent to control the load switch to automatically cut off
Automatically restored after inputting the newly purchased electricity.
There is an automatic detection function. There is a recording function for lid opening events, electricity theft events, and power failure events.
Reverse electricity consumption is measured based on forward electricity consumption.
There is a demand calculation function.
Can achieve load detection and control functions for electricity users
Applicable conditions:
Working temperature: -25 ��~+70 ��, storage temperature: -40 ��~+70 ��, maximum relative humidity: �� 95%
Working voltage range:
The prepaid meter operates normally within the working voltage range of 0.75Un to 1.30Un

Product specifications:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDSY23S	one	220V��230V��240V	5(60)A
DTSY23S	zero point one	3×220V/380V	5(100)A

Technical parameters:

Rated frequency: 50Hz	Meter locking current (creep current): 5mA
Pulse constant of electric energy meter: 1600imp/kWh	LCD display: 6-digit integer, 2-digit decimal
Meter starting current (0.4% Ib) 20mA	Weight: 0.675Kg
Power consumption of the electric energy meter itself Power consumption of voltage circuit: �� 1W 1.2VA Power consumption of current circuit: �� 0.2VA	Dimensions: 162mm × 124mm × 57mm

DDSY23S single-phase integral code prepaid energy meter

[electricity meter]DDSI26 Type Single phase Carrier Energy Meter and System

2026-6-17 13:55:51

DDSI26 single-phase carrier energy meter and system
summary:
The DDSI26 single-phase electronic carrier energy meter is a high-tech product designed and manufactured using large-scale dedicated integrated circuits, the latest microelectronics technology, and SMT process. The circuit design and component selection are based on allowing for large environmental tolerances, which can reliably ensure the long-term stable operation of the energy meter. At the same time, it has the characteristics of long lifespan, high accuracy, high reliability, strong overload capacity, low power consumption, small size, and light weight. This product is used for measuring single-phase AC active energy with a rated frequency of 50Hz and a rated voltage of 220V, and has power line carrier communication function. As a remote carrier meter reading terminal, it can form a remote centralized meter reading system with the carrier meter reading concentrator and the main station computer, realizing the remote transmission function of energy metering and electricity data. All performance indicators comply with the technical requirements of national standards GB/T17215-2002 (Level 1 and Level 2 Static AC Active Energy Meters) and DL/T698-1999 (Technical Conditions for Centralized Meter Reading Systems for Low Voltage Power Users).

Function:
Capable of power line carrier communication
As a remote carrier meter reading terminal, it can form a remote centralized meter reading system with the carrier meter reading concentrator and the main station computer, realizing the remote transmission function of energy metering and electricity data
Anti electricity theft function: prevents electricity theft behaviors such as short circuiting, tilting the meter, and applying magnetic fields. Regardless of forward or reverse electricity usage, the energy meter measures in the forward direction
Applicable conditions:
Environmental temperature: -25 �� to 65 ��; Relative humidity:<85%
Working voltage range:
Working voltage range: 175V~250V; Extreme voltage range: 150V~275V

Main technical parameters:

Rated frequency: 50Hz	Carrier channel: AC220V/50Hz power line
Meter constant: 3200 imp/kWh: 5 (30) A 1600imp/kWh��10(40)A,10(60)A	Modulation method: Direct sequence spread spectrum half duplex synchronous modulation and demodulation
Starting current: 0.004Ib	PN code length: 15BIT
Stealth: The electric energy meter has an anti creep logic circuit.	Carrier frequency: 120kHz
Power consumption: Voltage line �� 1.0W 0.7VA Current line �� 0.3VA	Bandwidth: 15kHz
Overall dimensions: 192mm×112mm×60.5mm	Baud rate: 500bps
Weight: 0.75kg	Address code length: 4-digit decimal number
Display: 5-digit integer, 1-digit decimal	Relay depth: Level 5
Service life: 10 years	Transmission power:<3W
Environmental temperature: -25 ��~65 ��	Relative humidity:<85%
Working voltage range: 175V~250V	Extreme voltage range: 150V~275V

STAR2000 Carrier Meter Reading Electricity Business System

function	characteristic
Trip due to overdue fees	Spread spectrum carrier communication with strong anti-interference capability
Remote control option: prepaid or pay before use	Compliant with CEBUS standards/compatible with home automation
load control	Large screen LCD display
maximum demand
Zero point meter reading

Carrier Meter Reading Electricity Business System Diagram

DDSI26 single-phase carrier energy meter and system

[electricity meter]DTSI26 Type Three phase Carrier Energy Meter and System

2026-6-17 13:55:42

DTSI26 Three phase Carrier Energy Meter and System

summary:
The DDSI26 three-phase electronic carrier energy meter is a high-tech product designed and manufactured using large-scale dedicated integrated circuits, the latest microelectronics technology, and SMT process. The circuit design and component selection are based on allowing for large environmental tolerances, which can reliably ensure the long-term stable operation of the energy meter. At the same time, it has the characteristics of long lifespan, high accuracy, high reliability, strong overload capacity, low power consumption, small size, and light weight.

Function:
Equipped with power line carrier communication function, it enables remote transmission of electricity metering and quantity data.
High accuracy and low power consumption.
Applicable conditions:
Not available
Working voltage range:
Rated voltage: 3 × 220V 3 × 380V 3 × 57.7V 3 × 100V
Rated frequency: 50/60Hz
Calibration current: 3 × 1.5 (6) A 3 × 2.5 (10) A

[electricity meter]DDSF36 single-phase electronic multi rate energy meter

2026-6-17 13:55:34

DDSF36 single-phase electronic multi rate energy meter
summary:
The DDSF36 single-phase electronic multi rate energy meter is used to measure 50/60Hz single-phase AC active energy and electricity consumption during peak and off peak periods. All its performance meets the technical requirements of Class 1 single-phase energy meters in GB/T 17215-2002 standard and GB/T 17882-1999 "Special Requirements for Multi rate Energy Meters". The data communication protocol complies with the relevant requirements of DL/645-1997. This product has high accuracy, strong overload capacity, low power consumption, small size, and long lifespan; The data is processed with fault tolerance and error correction to ensure its correctness and reliability; Automatically save all information from the energy meter when power is lost; The LCD automatically displays the total accumulated power, accumulated power for each rate period, real-time power, current date and time, and current rate period markers. Set the functions, clock settings, and time period programming of the table through infrared and RS-485 communication interfaces.

DDSF36 single-phase electronic multi rate energy meter functions:
Total energy metering function: It can measure forward and reverse active energy and accumulate them into total energy, while separately measuring reverse active energy and reverse electricity consumption time
Multi rate time-sharing electricity metering: The electricity meter can be set as a single rate meter, dual rate meter, triple rate meter, or quad rate meter, and measures active energy separately during each rate period.
Rates and time periods: Up to 12 time periods can be set per day, and each time period can be programmed into one of four rates: peak, off peak, off peak, or off peak. The minimum time unit for a time period is 1 minute.
Real time active power measurement
Monthly data transfer function: The electricity meter automatically transfers the total active energy of the month and the active energy of each rate on the set automatic meter reading day and hour. The electricity meter can store up to 12 months of historical data, and the data can be saved for 100 years after a power outage.
Reverse power consumption event recording function: The electricity meter can record the total time of reverse power consumption and the starting time of the last reverse power consumption.
Meter programming event recording function: The meter can record the number of programming times and the time of the most recent programming.
Data communication: Function setting, clock setting, time period programming, meter reading, etc. are performed on the table through infrared and RS-485 communication interfaces.
Equipped with hardware real-time calendar clock
Display/View Function: Using a wide temperature LCD display with Chinese character indicators on a large screen, it displays/views current electricity consumption data, current rates, dates, times, historical data, meter settings parameters, etc.
Applicable conditions:
Working in an environment with a temperature range of -25 �� to+65 �� and a relative humidity of 85%.
Working voltage range:

[electricity meter]DTSF32 Type Three Phase Electronic Multiple Rate Energy Meter

2026-6-17 13:55:26

DTSF32 three-phase electronic multi rate energy meter
summary:
All its performance meets the relevant technical requirements of Class 1 single-phase electricity meter in GB/T 17215-2002 standard and GB/T 17882-1999 "Special Requirements for Multiple Rate Electricity Meter", and the data communication protocol complies with the relevant requirements of DL/645-1997. This product has high accuracy, strong overload capacity, low power consumption, small size, and long lifespan; The data is processed with fault tolerance and error correction to ensure its correctness and reliability; Automatically save all information from the energy meter when power is lost; The LCD automatically displays the total accumulated power, accumulated power for each rate period, real-time power, current date and time, and current rate period markers. Set the functions, clock settings, and time period programming of the table through infrared and RS-485 communication interfaces

Function:
Multiple rates can be set
Adopting verification and error correction processing algorithms to ensure the correctness and reliability of data
Programming event recording function for electric energy meters, remote control function for electric meters

Applicable conditions:
Not available
Working voltage range:
Rated voltage: 3 × 220V;
Rated frequency: 50/60Hz;
Calibration current: 3 × 1.5 (6) A (transformer connected type), 3 × 2.5 (15) A, 3 × 2.5 (10) A, 3 × 5 (6) A, 3 × 5 (10) A, 3 × 5 (30) A, 3 × 10 (60) A

[electricity meter]DDS26D single-phase electronic anti-theft electricity meter (II)})

2026-6-17 13:54:58

summary:
The DDS26D single-phase electronic anti-theft electric energy meter (II) is used to measure single-phase AC active energy with a rated frequency of 50/60Hz, and all its performance meets all technical requirements for Class 1 single-phase electric energy meters in the GB/T17215-2002 standard.

Function:
It has advanced anti-theft function and adopts dual metering to achieve anti-theft function.
For reverse electricity consumption, it shall be measured normally according to forward electricity consumption.
It has the functions of reverse power consumption indication, power theft indication, and phase line indication.
Adopting a dual input and dual output wiring method.
Self checking function.
Applicable conditions:
Environmental temperature: -25 ��~65 ��, maximum relative humidity: 100%.
Working voltage range:
220/230/240V��-30%��+20%�� Frequency range: 50/60Hz ± 5%.

Product Specifications

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26D	one	220V��230V��240V	5(30)A
			10(60)A

Main technical indicators of the product:

Rated frequency: 50/60Hz	LCD display: 5-digit integer, 2-digit decimal
Meter constant: 1600imp/kWh, 3200mmp/kWh	Weight: 0.8Kg
Starting current: 0.004Ib, 0.002Ib	Weight: 0.8Kg
Power consumption: Voltage line �� 1.0W, 6VA Current line �� 0.5VA	Dimensions: 284mm × 136mm × 71.5mm
Stealth: The electric energy meter has an anti creep logic circuit.	Dimensions: 284mm × 136mm × 71.5mm

[electricity meter]DDS26D single-phase electronic anti-theft electricity meter (III)})

2026-6-17 13:54:50

summary:
The DDS26D single-phase electronic anti-theft electric energy meter (III) is used to measure single-phase AC active energy with a rated frequency of 50/60Hz, and all its performance meets all technical requirements for Class 1 single-phase electric energy meters in the GB/T17215-2002 standard.

Function:
It has advanced anti-theft function and adopts dual metering to achieve anti-theft function.
For reverse electricity consumption, it shall be measured normally according to forward electricity consumption.
Can display and record cumulative electricity consumption and maximum demand.
It has the function of clearing the maximum demand to zero.
It has the functions of reverse power consumption indication, power theft indication, and phase line indication.
Adopting dual entry.
Self checking function.
Applicable conditions:
Environmental temperature: -25 ��~65 ��, maximum relative humidity: 100%;
Working voltage range:
220/230/240V��-30%��+20%�� Frequency range: 50/60Hz ± 5%.

Product Model:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26D	one	220V��230V��240V	5(30)A
			10(60)A

DDS26D single-phase electronic anti-theft electricity meter (III) main technical indicators:

Rated frequency: 50/60Hz	Stealth: The electric energy meter has an anti creep logic circuit.
Constant of electric energy meter: 1600imp/kWh 3200imp/kWh	LCD display: 5-digit integer, 2-digit decimal
Starting current: 0.004Ib, 0.002Ib	Weight: 0.65Kg
Power consumption: Voltage line �� 1.0W, 6VA Current line �� 0.5VA	Dimensions: 192mm × 112mm × 60.5mm

[electricity meter]DDS26D single-phase electronic energy meter (VI)

2026-6-17 13:54:42

summary:
The DDS26D single-phase electronic energy meter (VI) is used to measure single-phase AC active energy with a rated frequency of 50Hz. All its performance meets all the technical requirements of Level 1 single-phase energy meters in IEC61036-2000 and IS13779-1993 standards, as well as the relevant technical requirements of India's CBIP88-1996/2000 technical report on static AC active energy meters.

Function:
It has various functions such as preventing one fire and one ground, zero line disconnection, current bypass, and current reverse to prevent electricity theft.
Applicable conditions:
This product is suitable for: ambient temperature: -25 ��~65 ��, maximum relative humidity: 100%
Working voltage range:
Voltage range: 230V, frequency range: 50Hz ± 5%.

Product Specifications

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26D	one	230V	10(60)A

Main technical indicators:

Rated frequency: 50Hz	LCD display: 5-digit integer, 2-digit decimal
Meter constant: 1600imp/kWh 10 (60) A	Weight: Electricity meter: 0.6Kg Box: 0.75kg Total: 1.35Kg
Starting current: 0.004Ib	Weight: Electricity meter: 0.6Kg Box: 0.75kg Total: 1.35Kg
Power consumption: Voltage line �� 1.2W, 10VA Current line �� 1.0VA	Dimensions: Electric meter: 157.5mm × 121mm × 59m Meter box: 280mm × 242mm × 121mm

[electricity meter]DTS27 type three-phase electronic anti-theft electricity meter

2026-6-17 13:54:33

DTS27 three-phase electronic anti-theft electricity meter functions:

It has anti phase line wiring errors such as reverse incoming and outgoing lines, current circuit bypass, short circuiting, etc., which prevent current theft and external magnetic field interference, as well as DC interference.
Adopting advanced technologies such as large-scale dedicated integrated circuits, large screen wide temperature LCD displays, and state-of-the-art electrical parameter measurements.
It can achieve three-phase active, reactive, and apparent energy measurement and display, as well as measure and display active and reactive power.

Main technical specifications of DTS27 three-phase electronic anti-theft electricity meter:
Rated voltage: 3 × 230V 3 × 400V
Rated frequency: 50Hz
Calibration current: 3 × 10 (60) A

[electricity meter]DDSY23 Single phase electronic prepaid energy meter

2026-6-17 13:54:25

summary:
The DDSY23 single-phase electronic prepaid energy meter is used to measure single-phase active energy with a rated frequency of 50Hz/60Hz, while also performing prepaid electricity management and load control functions for purchasing electricity before using it. All its performance meets the technical requirements of level 1 and level 2 single-phase electronic prepaid energy meters in GB/T17215-2002 and GB/T18460.3-2001 standards.

Function:
This prepaid energy meter supports one meter multiple cards and one card multiple meters, but only accepts all legal cards within the specified system to ensure that user cards outside the specified system cannot be used. This prepaid energy meter can be widely used in places with high personnel flow, uncertain users, such as hotels, schools, government agencies, commercial markets, or public facilities, as well as for agricultural irrigation. Administrators sell electricity through the electricity sales system, and users insert the purchased and issued user card into the energy meter to achieve pre purchase of electricity. When the pre purchased electricity in the user card is used up, the energy meter will automatically power off, and the user must purchase electricity again before continuing to use it; At the same time, when the user unplugges the user card, the energy meter will immediately cut off the power supply. All user's electricity usage information is stored in the user card, and the administrator can read all user's electricity usage information through the electricity sales system for payment and other operations.
Applicable conditions:
Working temperature range: -20 �� -65 ��
Working voltage range:

Product Specifications

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDSY23	1.0/2.0	two hundred and twenty	5(30)A 5(60)A 10(100)A

Technical parameters:

Electricity meter constant: 3200mmp/kWh5 (30) A 1600imp/kWh 5(60)A 800imp/kWh10(100)A	Power consumption: Voltage line �� 1.0W; 4VA Current line �� 0.3VA
Starting current: 0.4% Ib	Dimensions: 210mm × 126mm × 74mm
Stealth: with anti creep logic circuit	Weight: Approximately 0.9Kg
Working temperature range: -20 �� -65 �� Extreme working temperature range: -25 �� -70 �� Storage temperature range: -40 �� -70 ��	Execution standard: GB/T 17215-2002 GB/T18460.3-2001

[electricity meter]DDSY23III single-phase electronic prepaid energy meter

2026-6-17 13:54:16

summary:
DDSY23 III single-phase electronic prepaid energy meter is used to measure single-phase electrical energy with a rated frequency of 50/60Hz. Simultaneously complete the prepaid electricity management and load control functions of purchasing electricity before using it. All its performance meets the technical requirements of Class 1.0 single-phase energy meters in GB/T18460.3-2001 standard.

Function:
Function card:
Power purchase card: Each meter is equipped with a power purchase card, which is kept by the user. The power supply department uses this card to open an account for new users through a dedicated electricity sales system and writes the account opening information into the card. New users can load the account opening and other information from their card into their own electricity meter to use electricity normally. When the remaining electricity in the user's meter is insufficient, the user can use the purchase card to purchase electricity from the power supply department, and then install it into the meter to continue using electricity.
Setting card: The power management department initializes the electricity meter (resets) or sets/checks the property code.
Meter replacement card: Used by the power supply management department when replacing similar meters. This card can retrieve data from the old meter and load it into a new meter that has been cleared but not yet opened.
Meter reading card: used by the power supply management department during inspections. Operated by dedicated meter readers. Each meter reading card can read the electricity consumption information of 100 meters.
Overdraft card: Used by the power management department to set/view the meter overdraft function.

Applicable conditions:
Working in an environment with a temperature range of -25 �� to+65 �� and a relative humidity of 85%.
Working voltage range:

See the table below
DDSY23III single-phase electronic prepaid energy meter features:

Full electronic single-phase active energy metering	Adopting large-scale application specific integrated circuits, industrial grade design, high reliability
Anti electricity theft function	Dedicated high-capacity meter reading card, accurate and precise meter reading in place
IC card prepaid electricity, buy first, use later, commercialize electricity	The IC card adopts a special data encryption algorithm, with one meter and one card, ensuring security and reliability
Wheel display of electricity consumption information, convenient for users to view	Equipped with dedicated function cards for easy registration and maintenance by management departments
Alarm for insufficient remaining power, reminding users to purchase electricity in a timely manner	The software adopts verification and error correction processing algorithms to ensure the correctness and reliability of electricity data
The large LCD screen displays both accumulated and remaining battery levels, clearly and intuitively	Automatic retrieval of electricity usage information from the purchase card for convenient management
Overload delay power outage	The function card adopts ISO standard IC card
Overdraft selectable function, overdraft card setting overdraft function ON/OFF status	Adopting power down processing technology to ensure that data is not lost for 10 years after power failure

Product Specifications

Specification/Product Name	accuracy class	Rated voltage (V)	Calibration current (A)
DDSY23��	one	two hundred and twenty	1.5(6)A
			2.5(10)
			5(20)
			5(30)
			10(40)
			10(50)

Technical Indicators:

Rated frequency: 50/60Hz	LCD display: 5-digit integer, 2-digit decimal
Meter constant: 6400 imp/kWh: 1.5 (6) A 3200imp/kWh��2.5(10)A 1600imp/kWh��5(20)A��5(30)A��10(40)A800imp/kWh �� 10(50)A	Power consumption: Voltage line �� 1.0W; Current line �� 0.3VA
Starting current: 0.4% Ib	Dimensions: 210mm × 126mm × 73mm
Stealth: with anti creep logic circuit	Weight: Approximately 0.9Kg

[electricity meter]DDS26 single-phase electronic energy meter (IV)

2026-6-17 13:54:08

summary:
The DDS26 single-phase electronic energy meter is a high-tech product designed and manufactured using dedicated large-scale integrated circuits, the latest microelectronics technology, and SMT process. The circuit design and component selection are based on allowing for large environmental tolerances, which can reliably ensure the long-term stable operation of the energy meter. At the same time, it has the characteristics of long lifespan, high accuracy, high reliability, high overload, low power consumption, small size, and light weight.

Function:
This product has anti electricity theft function: it prevents electricity theft behaviors such as short circuiting, tilting the meter, and applying magnetic fields. For reverse electricity consumption, it can still be measured normally.
Applicable conditions:
This product is used for measuring single-phase AC active energy with a rated frequency of 50Hz and a rated voltage of 220V. All its performance meets all the technical requirements of Class 1 single-phase electricity meters in GB/T17215-1998 standard. This product is suitable for environments with temperatures ranging from -25 �� to 65 �� and relative humidity not exceeding 85%
Working voltage range:
175V��250V, Limit voltage range: 150V to 275V.

DDS26 single-phase electronic energy meter (IV) specifications:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26B	1.0, 2.0	220V��230V��240V	1.5(6)A
			2.5(10)A
			5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Technical specifications of DDS26 single-phase electronic energy meter (IV):

Rated frequency: 50/60Hz	Starting current: 0.004Ib, 0.002Ib
Meter constant: 12800 imp/kWh: 1.5(6)A 6400 imp/kWh: 2.5(10)A��2.5(15)A 3200imp/kWh:5(20)A��5(30)A��5(40)A 1600imp/kWh:10(40)A��10(50)A��10(60)A	Power consumption: Voltage line �� 0.8W 0.7VA Current line �� 0.2VA
	Dimensions: 133.5mm × 118mm × 51mm
	Weight: 0.4Kg
	Meter display: 5-digit integer, 1-digit decimal (1.5(6)A, For 4-digit integers and 2-digit decimals
Stealth: The electric energy meter has an anti creep logic circuit	Service life: 10 years

[electricity meter]DDS26B single-phase electronic energy meter (I)

2026-6-17 13:54:00

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26B	1.0, 2.0	220V��230V��240V	1.5(6)A
			2.5(10)A
			5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Technical Indicators:

Rated frequency: 50/60Hz	Starting current: 0.004Ib, 0.002Ib
Meter constant: 12800 imp/kWh: 1.5(6)A 6400 imp/kWh: 2.5(10)A��2.5(15)A 3200imp/kWh:5(20)A��5(30)A��5(40)A 1600imp/kWh:10(40)A��10(50)A��10(60)A	Power consumption: Voltage line �� 0.8W 0.7VA Current line �� 0.2VA
	Dimensions: 133.5mm × 118mm × 51mm
	Weight: 0.4Kg
	Meter display: 5-digit integer, 1-digit decimal (1.5(6)A, For 4-digit integers and 2-digit decimals
Stealth: The electric energy meter has an anti creep logic circuit	Service life: 10 years

[electricity meter]DDS26B single-phase electronic energy meter

2026-6-17 13:53:51

summary:
The DDS26B single-phase electronic energy meter (I) is used to measure single-phase AC active energy with a rated frequency of 60Hz, and all its performance meets all technical requirements for Class 1 single-phase energy meters in the IEC62053-21 standard.

Function:
The latest exterior design adopts transformer power supply. It has the characteristics of long lifespan, high accuracy, low power consumption, small size, light weight, and high overload capacity.
Applicable conditions:
Environmental temperature: -25 ��~65 ��, maximum relative humidity: 100%.
Working voltage range:
220/230/240V��-30%--+20%�� Frequency range: 50/60Hz ± 5%.

DDS26B single-phase electronic energy meter (I) product specifications:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26B	1.0, 2.0	220V��230V��240V	1.5(6)A
			2.5(10)A
			5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Technical specifications of DDS26B single-phase electronic energy meter (I):

Rated frequency: 50/60Hz	Stealth: The electric energy meter has an anti creep logic circuit
Meter constant: 1600imp/kWh, 3200 imp/kWh 6400 imp/kWh��12800 imp/kWh	LCD display: 5-digit integer, 2-digit decimal
Starting current: 0.004Ib, 0.002Ib	Weight: 0.4Kg
Power consumption: Voltage line>1.0W, 6VA Current line �� 0.5VA	Dimensions: 133.5mm × 118mm × 51mm

[electricity meter]DDS26B single-phase electronic energy meter (III)

2026-6-17 13:53:43

summary:
The DDS26B single-phase electronic energy meter (III) is used to measure single-phase AC active energy with a rated frequency of 60Hz, and all its performance meets all technical requirements for Class 1 single-phase energy meters in the IEC62053-21 standard.

Function:
Adopting transformer power supply method. It has the characteristics of long lifespan, high accuracy, low power consumption, small size, light weight, and high overload capacity.
Applicable conditions:
Environmental temperature: -25 ��~65 ��, maximum relative humidity: 100%.
Working voltage range:
220/230/240V��-30%��+20%�� Frequency range: 50/60Hz ± 5%.

DDS26B single-phase electronic energy meter (III) product specifications:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26B	1.0, 2.0	220V��230V��240V	1.5(6)A
			2.5(10)A
			5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Technical Indicators:

Rated frequency: 50/60Hz	Stealth: The electric energy meter has an anti creep logic circuit.
Meter constant: 1600imp/kWh, 3200mmp/kWh 6400 imp/kWh��12800 imp/kWh	LCD display: 5-digit integer, 2-digit decimal
Starting current: 0.004Ib, 0.002Ib	Weight: 0.6Kg
Power consumption: Voltage line �� 1.0W, 6VA Current line �� 0.5VA	Dimensions: 172mm × 112mm × 60.5mm

[electricity meter]DDS26B single-phase electronic energy meter (IV)

2026-6-17 13:53:35

summary:
The DDS26B single-phase electronic energy meter (IV) is used to measure single-phase AC active energy with a rated frequency of 50/60Hz, and all its performance meets all technical requirements for Class 1 single-phase energy meters in the GB/T17215-2002 standard.

Function:
Not available
Applicable conditions:
Environmental temperature: -25 ��~65 ��, maximum relative humidity: 100%.
Working voltage range:
220/230/240V(-30%?+20%)�� Frequency range: 50/60Hz ± 5%.

DDS26B single-phase electronic energy meter (IV) specifications:

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26B	1.0, 2.0	220V��230V��240V	1.5(6)A
			2.5(10)A
			5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Technical Indicators:

Rated frequency: 50/60Hz	Stealth: The electric energy meter has an anti creep logic circuit.
Meter constants: 1600imp/kWh, 3200 imp/kWh, 6400 imp/kWh, 12800 imp/kWh	LCD display: 5-digit integer, 2-digit decimal
Starting current: 0.004Ib, 0.002Ib	Weight: 0.6Kg
Power consumption: Voltage line �� 1.0W, 6VA Current line �� 0.5VA	Dimensions: 172mm × 112mm × 60.5mm

[electricity meter]DDS26 single-phase electronic energy meter

2026-6-17 13:53:26

summary:
The DDS26 single-phase electronic energy meter is used to measure single-phase AC active energy with a rated frequency of 50/60Hz, and all its performance meets all technical requirements for Class 1 single-phase energy meters in the GB/T 17215-2002 standard.

Function:
It has anti electricity theft function and adopts dual metering, effectively preventing electricity theft behaviors such as one fire, one ground, and reverse electricity consumption. For reverse electricity consumption, it can still be measured normally according to forward electricity consumption. At the same time, it has the characteristics of long lifespan, high accuracy, low power consumption, small size, light weight, and high overload capacity.
Applicable conditions:
Environmental temperature: -25 ��~65 ��, relative humidity not exceeding 100%.
Working voltage range:
220V/230V/240V��-30%?+20%�� Frequency range: 50Hz ± 5%.

Product Specifications

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26	1.0, 2.0	220V��230V��240V	5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Technical Indicators:

Rated frequency: 50/60Hz	Meter display: 5-digit integer, 1-digit decimal
Meter constant: 3200imp/kWh ��5(20)A��5(30)A��5(40)A 1600imp/kWh ��10(40)A��10(50)A��10(60)A	Power consumption: Voltage line �� 0.8W Current line �� 0.2VA
	Dimensions: 133.5mm × 118mm × 51mm
Starting current: 0.004Ib, 0.002Ib	Weight: 0.4Kg
Stealth: The electric energy meter has an anti creep logic circuit.	Service life: 10 years

[electricity meter]DDS26E-D001 single-phase electronic energy meter

2026-6-17 13:53:18

summary:
DDS26E type electric energy meter is used to measure single-phase three wire AC active energy with a rated frequency of 60Hz. The wiring method of the electric energy meter complies with ANSI C12.7-1993, and all its performance meets or exceeds the American industrial standards (ANSI C12.1, C12.10, C12.20, C37.90.1).

Function:
It has the characteristics of high accuracy, high reliability, high overload, low power consumption, small size, and light weight.
Applicable conditions:
The product is suitable for environments with temperatures ranging from -30 �� to 65 �� and relative humidity not exceeding 95%
Working voltage range:
240V��-30%--+20%�� Frequency range: 60Hz ± 5%.

Product specifications:

model	current level	Rated voltage (V)
DDS26E	CL200	240V

Technical Indicators:

Rated frequency: 60Hz	Stealth: The electric energy meter has anti creep logic electricity
Electricity meter constant: 500imp/kWh Kt=2.0	LCD display: 6-digit integer
Starting current: 0.1A	Weight: Approximately 1kg
Power consumption: voltage circuit; 1.0W��7VA�� Current line �� 1.0VA (when testing current of 30A)	Dimensions: ø 177mm × 120mm

[electricity meter]DDS26D-SY01 Multi rate time-sharing anti-theft electricity meter

2026-6-17 13:53:09

summary:
The DDS26D-SY01 multi rate time-sharing anti-theft electricity meter is used to measure single-phase AC active energy with a rated frequency of 50/60Hz. All its performance meets all the technical requirements of the latest international standard IEC62052-11 IEC62053-21 IEC62056-21 for level 1 single-phase electricity meters.

Function:
1. It has a multi rate time-sharing energy metering function that can be programmed for up to 24 time periods and up to 4-8 rates, and measures active energy separately in each rate period. Users can program and set rate tables, backup rate tables, and automatic conversion times for backup rate tables as needed
2. Equipped with advanced anti-theft technology, it has the function of preventing electricity theft. For situations such as reverse or unbalanced current in the neutral and live lines of the energy meter, the energy meter can measure electricity normally and provide a warning for electricity theft or reverse usage. It can effectively prevent electricity theft behaviors such as reverse or one fire one place.
3. It has an event recording function that can record and read the last 50 power failure events and programming events (including the number and time of each event occurrence)
4. It has communication functions including infrared communication and RS-485 communication. Set or delete display items, clock settings, time period programming, meter reading and other functions of the electric energy meter through infrared and RS-485 communication interfaces.
5. The electric energy meter with automatic monthly data transfer function can automatically transfer the electricity consumption data of the previous month on the automatic transfer date and hour (which can be set), and can store the historical data of the previous 12 months. Data can be saved for 100 years after power failure.
6. The maximum current of a wide range energy meter can reach 100A, and the measurement range of 5-100A is 20 times that of a wide range energy meter that does not use range conversion
7. Equipped with maximum demand measurement and reset function
8. Equipped with backlight display and power outage display functions
9. Equipped with temperature detection and hardware self-test functions
10. The Persian calendar function can be selected to set the calendar to Persian calendar according to the user's needs
11. The function of switching between spring and summer time can be selected, and the automatic conversion function between spring and summer time can be set according to user needs
2. The functions of reverse power consumption event, lid opening detection event, and electricity theft event recording can be selected according to user needs, and the functions of reverse power consumption event, lid opening detection event, and electricity theft event recording can be set
13. The electric energy meter with optional reactive power metering function can set active and reactive power metering functions according to the user's needs
Applicable conditions:
Working temperature: -25 �� -+70 ��, storage temperature: -40 �� -+80 ��, maximum relative humidity: 100%;
Working voltage range:
220/230/240V��-30%��+20%�� Voltage range 70-130% Un Frequency range: 50/60Hz ± 5%.

Product specifications and models

model	accuracy class	Rated voltage (V)	Calibration current (A)
DDS26	1.0, 2.0	220V��230V��240V	1.5(6)A
			2.5(10)A
			2.5(15)A
			5(20)A
			5(30)A
			5(40)A
			10(40)A
			10(50)A
			10(60)A

Technical Indicators:

Rated frequency: 50/60Hz	Stealth: The electric energy meter has anti creep logic electricity
Constant of electric energy meter: 1600imp/kWh, 3200imp/kWh	LCD display: 5-digit integer, 2-digit decimal
Starting current: 0.004Ib, 0.002Ib	Weight: 0.65Kg
Power consumption: Voltage line �� 0.8W, 4VA, current line �� 0.1VA	Dimensions: 203mm × 125mm × 71mm

[electricity meter]PS74 single-phase standard energy meter

2026-6-17 13:53:01

I. Overview

The PS74 single-phase standard energy meter is a digital instrument designed using the principle of time division multiplier. It is small in size, light in weight, easy to use, and can be paired with high stability AC power sources to form an energy meter calibration device, which can calibrate single-phase energy meters with a power frequency of 0.2 level or below. The product consists of multipliers, i-f converters, frequency dividers, and other components. The input voltage and input current are respectively converted into current signals proportional to the input quantity through sampling resistors and current transformers. This current signal is then converted into high-frequency pulse signals through multipliers and i-f converters, which are proportional to the input power. After frequency division and isolation, the high-frequency pulse signal is converted into high-frequency and low-frequency pulse outputs, and sent to the display unit to display electrical energy in a pulse accumulation manner.
Input voltage and current can only be applied after turning on the product power; On the contrary, the input voltage and current should be reduced before turning off the power supply of the product.
Before measurement, the product should be preheated for at least 0.5 hours. The product only displays forward power. When the input voltage and current phases are opposite, there is no pulse counting in the display window. At this point, the two input terminals of the input current should be swapped. Attention should be paid to the range of input voltage and current, which should not exceed the input range of the product. The product should be stored indoors, with an ambient temperature of 0 �� -40 ��, a relative humidity of no more than 80%, and no corrosive gases in the air.

2�� Main technical indicators
Rated working conditions - ambient temperature: 10 �� -30 ��; Relative humidity: 40% -80%
Power supply voltage: 220V ± 22V; power supply frequency: 50Hz ± 2.5Hz.
Input characteristics - Voltage input range: 215V-224V; Current input range: 0.25A-5.5A.
Output characteristics - The product has high-frequency pulse output and low-frequency pulse output. When inputting rated power (200V, 5A), the high-frequency pulse output frequency (fH) and low-frequency pulse output frequency (fL) are 5000 imp/s and 0.5 imp/s, respectively. The corresponding energy constants for fH and fL are 1.8 × 107 imp/kWh and 1800 imp/kWh, respectively.
Power consumption: not exceeding 24W Weight: not exceeding 4kg Dimensions: l × b × h (mm): 210 × 85 × 250

[electricity meter]PS34 Type Three Phase Standard Power Energy Meter

2026-6-17 13:52:53

1�� Overview

The PS34 three-phase power meter is a new intelligent digital instrument that uses a time division multiplier and a single-chip microprocessor. It is small in size, light in weight, high in resolution, and has a high cost performance ratio. It is suitable for the calibration of single-phase, three-phase three wire, and three-phase four wire power meters and power meters with a power frequency below level 0.2. Three phase power measurement can display 100 or 150 equal parts, and power values can also be read directly according to the range. The verification results of electrical energy can be calculated according to the error formula, and the error value can be displayed within the range of+19.999% to -19.999%. The cross phase method can also be used to measure reactive power and verify reactive energy meters in three-phase systems.
This power meter includes three independent power input channels, and the voltage and current inputs of each channel are isolated by transformers. Each channel's voltage input has three commonly used voltage levels, so general meter calibration does not require an external voltage transformer. No phase sequence influence. Due to the use of specially manufactured resistors and rigorously screened reference voltage regulators, this meter has excellent temperature stability and long-term stability.
The digital processing of this power meter adopts a single-chip microprocessor. It can perform power measurement and calibration of electric energy meters. As long as the electric energy constant of the tested electric energy meter is input, it can automatically perform calculations and display errors with a high degree of automation. The operation is simple and easy to use.

2�� Technical indicators
Working conditions: Environmental temperature: 10-30 �� Relative humidity: 30-80%
Input characteristics
Voltage input range: 100V200V400V Input impedance: 0.5 k ��
Current input range: 5A Input impedance: less than 0.1 ��
Basic error: 0.005%
Power supply: 220V ± 10% frequency 50HZ ± 10%
Power consumption: less than 24W Volume: 400 × 119 × 380 (width × height × depth) Weight: 8kg

[electricity meter]PS34 Type Three Phase Multifunctional Standard meter (Improved 0.02 Level)

2026-6-17 13:52:44

The PS34 three-phase multifunctional standard meter adopts advanced DSP technology, wide range technology, embedded computer technology design, and temperature self balancing technology. It is lightweight, small in size, leading in indicators, rich in functions, novel in interface, easy to use, and reliable in operation. It can be widely used in the energy metering industry, energy laboratories, and other related departments, and can be used both in the laboratory and carried to the site for work.
Functional Features
Wide range measurement: Voltage signal measurement range (phase voltage) 1-480V, current signal measurement range 1mA~120A.
Multi way measurement: It can measure AC voltage, current, power (active power, reactive power, apparent power) and electrical energy in four quadrants under various wiring modes such as single-phase and three-phase Y/��; Reactive power and electrical energy can be measured in multiple ways, including true reactive power, cross phase reactive power, and artificial neutral point reactive power.
Multi functional measurement: In addition to measuring AC voltage, current, power, and electrical energy, it can also measure various parameters such as power demand, frequency, phase, power factor, power stability, amplitude and phase asymmetry of voltage and current, waveform distortion, spatial magnetic induction intensity, voltage drop at the same end of the electric energy meter calibration device, and the pulse constant of the tested meter's electrical energy.
Fundamental power measurement: It can be used for general full power measurement (including the power of the fundamental and various harmonics), or fundamental power measurement (only measuring the fundamental power component in signals containing harmonics).
Harmonic power measurement: can measure 2-50th harmonic power.
Harmonic analysis: It can analyze harmonics below the 50th order of power frequency voltage and current.
Electric energy error verification: It can verify the estimated values of electric energy measurement errors and standard deviations of electric energy meters and electric energy meter calibration devices.
Data and graphic display: It can intuitively display the measurement work status and various measurement data. It can visually display measured voltage and current waveform diagrams, voltage and current phase vector diagrams, and harmonic component histograms. Equipped with a 6-inch 640 * 480 dot matrix TFT true color LCD display, the display is clear and vivid, with rich colors.
Operation: Humanized design, reasonable combination of functions, "one finger key" conversion, very simple operation.
Recording and retrieval: The measurement interface can be recorded in real-time and retrieved for reference.
Wiring: The wide range current input terminal is shared, and changing the current does not require changing the wiring, making it convenient to use.
Constant: It has automatic constants (high-frequency power pulses) and arbitrary artificial constants (low-frequency power pulses).
Multipurpose: It can be used as a standard meter or as a testing device for electric energy meters. It can be used independently, communicate with a PC for remote control, and can also be equipped with a calibration device for use.

technical indicators
signal range
Voltage: 1-480V A.C. (phase voltage)
Current: 0.001-10A A.C
Frequency: 40-70Hz
Input pulse: max.120kHz (TTL)
Output pulse: using automatic constant, f out is 100kHz (TTL) at rated range;
When using artificial constants, f out is 0.02Hz-1kHz (TTL) at the rated range.
accuracy
Voltage Measurement (RMS): Measurement Range (V) Error (Rd%)
0.02 level 0.01 level
30 �� 480 ± 0.02 ± 0.01
5 �� 30 ± 0.05 ± 0.02
1 �� 5 ± 0.1 ± 0.05

Current measurement (RMS):
Measurement range (A) error (Rd%)
0.02 level 0.01 level
0.1 �� 120 ± 0.02 ± 0.01
0.01 �� 0.1 ± 0.05 ± 0.02
0.002 �� 0.01 ± 0.1 ± 0.05

Active power/electrical energy measurement: measurement range error (Rd%)
Voltage (V) Current (A) 0.02 level 0.01 level
30 �� 480 0.1 �� 120 ± 0.02 ± 0.01
0.01 �� 0.1 ± 0.05 ± 0.02
0.002 �� 0.01 ± 0.1 ± 0.05

Reactive power/electrical energy measurement: measurement range error (Rd%)
Voltage (V) Current (A) 0.02 level 0.01 level
30 �� 480 0.1 �� 120 ± 0.05 ± 0.02
0.01 �� 0.1 ± 0.1 ± 0.05
0.002 �� 0.01 ± 0.2 ± 0.1

Frequency measurement: Measurement range (Hz) Resolution (Hz) Error (Hz)
40 �� 70 0.0001 ± 0.01

Phase measurement: Measurement range (°) Resolution (°) Error (°)
0 �� 360 0.001 ± 0.05

Magnetic induction intensity measurement:
Measurement range (mT) error
0.001 �� 0.25 ± 10% ± 0.001 mT

Measurement of voltage drop at the same end: measurement range (mV) error
0 �� 200 ± 5% ± 1 mV

Harmonic voltage measurement: harmonic order and harmonic content
(Relative fundamental wave) error
2-10 times �� 30% 0.1%
11-21 times �� 30% 0.2%
22-50 times �� 30% 0.5%

Harmonic current measurement: harmonic order and harmonic content
(Relative fundamental wave) error
2-50 times �� 50% 0.1%

working environment
Temperature: 15-30 �� (calibration temperature 23 ± 1 ��) Wide temperature range: 10-43 ��
Humidity: 45-80% R.H
Auxiliary power supply: 220V ± 10%, 50Hz ± 1%
Working frequency: 45-65Hz
other
Temperature coefficient: 0.0015%/K 0.0002%/K (wide temperature type)
Preheating time: 30 minutes 0 minutes (wide temperature type)
Power consumption: 50W
External dimensions: 450 * 180 * 380mm
Weight: 12 kg

[electricity meter]DDSY738-1 single-phase prepaid energy meter

2026-6-17 13:52:36

Main functions and features

Active energy metering, no adjustment required for long-term operation
Prepaid IC card fees for electricity
When the remaining battery level is less than the first level alarm value (default value of 10 degrees), it will sound and light an alarm. When it is less than the second level alarm value (default value of 3 degrees), it will trigger a circuit breaker alarm (which can be restored after inserting an IC card), reminding the user to purchase electricity on time
Anti electricity theft
When the power value exceeds the set value, it will automatically power off and can be restored after inserting an IC card
One household, one card has good anti-counterfeiting properties, and when the IC is lost, it can be replaced with a new card
After the electricity meter is closed, the clearing card can be used to clear the information on the meter
Working temperature range (-30~65 ��)
Detailed introduction:
Specifications and main technical parameters

Specification and model: DDSY738

Accuracy level: 1.0 level, 2.0 level

Reference voltage (V) 220

Reference current (A)
5 (20), 10 (40), 15 (60)

Meter constant (imp/kWh) 3200, 1600, 800
Main technical parameter items
Technical indicators, basic error
Complies with the requirements of GB/T18640-2001
Data retention time after power outage �� 10 years
Voltage circuit power consumption �� 1.0W 5VA
Current circuit power consumption �� 1VA (Ib)
Normal operating temperature: -20 to+45 ��
Extreme working temperature: -30 to+55 ��
Environmental humidity �� 85%
Dimensions: 158mm × 112mm × 56mm
Weight: Approximately 0.7kg

[electricity meter]DTS237-1 type three-phase electronic energy meter

2026-6-17 13:52:27

The DTS237-1 three-phase electronic energy meter is used to measure three-phase AC active energy with a rated frequency of 50Hz. It has the characteristics of high accuracy, long working life, strong anti-interference ability, wide load range, low self power, small size, and light weight. The measurement accuracy is not affected by frequency, voltage, temperature, and high-order harmonics.
There are two display modes: metering mode and LED mode. The measuring device adopts a reverse measuring device, which is resistant to strong magnetic interference and has a high cost-effectiveness; High brightness large digital tubes are selected for display in LED mode, especially for outdoor and nighttime meter reading.

Detailed introduction:
specification
model
category
Rated voltage (V)
Rated current (A)
accuracy class

DSS237-1
three-phase three-wire
3×100V
1.5��6��A
1.0, 2.0

DTS237-1
three-phase four-wire
3×220/380V
1.5 (6) A, 5 (20) A, 10 (60) A, 20 (100) A

Note: Our company can also design and manufacture various special voltage and current meters according to user requirements to adapt to specific energy measurement conditions.

basic error

current value
power factor
Percentage error limit (%)

Direct connection: Level 1.0
Transformer: 2.0 level

0.05Ib��I��0.1Ib
0.02Ib��I��0.05Ib
one
±1.5
±2.5

0.1Ib ��I��Imax
0.05Ib ��I��Imax
one
±1.5
±2.0

0.1Ib ��I��0.2Ib
0.05Ib ��I��0.1Ib
0.5L
0.8C
±1.5
±1.5
±2.5

0.2Ib ��I��Imax
0.1Ib ��I��Imax
0.5L
0.8C
±1.0
±1.5
±2.0

Electrical parameters
Starting current: 0.004 Ib (level 1) 0.005 Ib (level 2)
Power consumption: Voltage line power consumption �� 2W and 10VA current line power consumption �� 4VA
Stealth: with logical anti stealth function
Insulation voltage: �� 2000V (power frequency withstand voltage) �� 6000V (impulse voltage)
Display capacity: 999999 kWh (at 20 (100) A) 99999.9 kWh (at other current specifications)
Net weight: �� 1.25kg

pulse output
Meter constants: 80 imp/kWh, 160 imp/kWh, 320 imp/kWh, 1600 imp/kWh
Pulse width of electric energy: 80 ± 20ms Typical value: 80ms
Remote pulse output: The K value of remote pulse output is 4 times the constant of the electric meter (active pulse output constant)

communication interface
RS485 speed: 1200bps (typical value); 600, 1200, 2400, 4800, 9600 (optional)
Communication protocol: DL/T645-1997 "Multi functional Meter Communication Protocol"; It can also be changed according to user requirements

[electricity meter]D8 series three-phase energy meter

2026-6-17 13:52:19

purpose
The D8 series three-phase electric energy meter is an inductive instrument that measures the active or reactive energy consumption in a three-phase AC power grid with a rated frequency of 50Hz. The technical skills of this series of three-phase active energy meters fully comply with the national standard GB/T15283-94 and the international standard IEC60521. The technical performance of three-phase reactive energy meters fully complies with the national standard GB/T15282-94 and the international standard IEC60145.

Technical parameters

Three phase four wire active energy meter Three phase four wire active energy meter Three phase four wire reactive energy meter Three phase three wire reactive energy meter
Model: DT8 DS8 DX9 DX8
Accuracy: Level 2, Level 2, Level 3, Level 3
Rated voltage (V):
3×380/220 3×100 3×380 3×100 3×380 3×100 3×380
Rated current (A):
3×5
3×5, 3×10, 3×15,3×20,3×25, 3×40, 3×30, 3×60, 3×80, 3×100, 3×120
3×5
3×5, 3×10, 3×15, 3×20, 3×25, 3×40, 3×30, 3×60
3×5
3×5
3×5
3×5
Wiring method:
Connected through current transformer
direct access type
Connected through current and voltage transformers
direct access type
Connected through current and voltage transformers
Connected through current transformer
Connected through current and voltage transformers
Connected through current and voltage transformers

[electricity meter]DD738 series single-phase (long-life) electric energy meter

2026-6-17 13:52:10

The DD738 series single-phase (long-life) energy meter is an induction instrument used to measure single-phase AC active energy with a frequency of 45-55Hz. It has the characteristics of high accuracy, high overload, and long life.

DD738 series single-phase (long-life) electric energy meter introduction:

Specifications and main parameters
Specification Model
DD738-1
accuracy class
Level 1.0
Reference voltage (V)
220 230 240
Reference current (A)
2.5 (10), 5 (20), 10 (40), 15 (60), 20 (80)

basic error
load current
power factor
Basic error (%)
0.05Ib��I��0.1Ib
one
± 1.5
0.1Ib��I�� Imax
one
± 1.0
0.1Ib �� I �� 0.2Ib
0.5L 0.8C
± 1.5
0.2Ib �� I �� Imax
0.5L 0.8C
± 1.0

Normal operating voltage: 0.9-1.1 reference voltage
Maximum operating voltage: 0.6~1.25 reference voltage
Insulation voltage: �� 2000VAC

[electricity meter]DTSF237-1 type multi rate electricity meter

2026-6-17 13:52:02

Main functions
Measurement function (positive active power+negative active power)
Time slot and rate setting function (3 rates, 10 time slots)
Time synchronization function (broadcast time synchronization+single address time synchronization)
Electric energy pulse indication and time period indication
Communication function (infrared communication+RS485 communication)
Programming function (hardware switch+password protection)
Remote meter reading function
Event recording function (reverse power consumption time+programming times+reset times, etc.)
Chinese display (LED display or LCD display)

Technical Features
Designed and manufactured using advanced application specific integrated circuits, SMT, and hot air reflow soldering processes, ensuring reliable quality.
The energy metering unit, data processing unit, and communication interface unit are equipped with three sets of isolated power supplies, and all output signals are optically isolated to improve electromagnetic compatibility performance and ensure stable operation of the metering unit without being affected by communication interfaces.
Designed with a wide voltage range, the meter can operate normally from 154 to 265V and remains undamaged even when the actual voltage reaches 418V, improving its adaptability to the working environment.
The microprocessor adopts an internal and external dual watchdog design to ensure the reliable and normal operation of the CPU. The calculation data adopts triple backup to ensure that the data is safe and sound under harsh interference.
Fully sealed waterproof design, the case material has excellent flame retardant and anti-aging performance, and can be equipped with anti stealing terminal cover.
Dual serial port independent design, infrared communication and RS485 communication do not interfere with each other, and when one of the serial ports is damaged, it does not affect the normal operation of the other serial port.
Temperature compensated crystal oscillator circuit, curve interpolation fitting to ensure clock accuracy.

specification
Model DTSF237
Accuracy levels 1.0 and 2.0
Reference voltage (V) 220
Reference current (A) 2.5 (10), 5 (20), 10 (40), 15 (60), 20 (80)

Main technical parameters

project		technical parameters
basic error		Complies with the requirements of GB/T17215-2002
Rate work parameters	Clock accuracy	�� 0.5 seconds/day
	battery capacity	��1000mAh
	Data retention time after power outage	�� 20 years
	Battery working time after power outage	�� 10 years
	Clock current after power outage	��0.5µA
voltage range	working voltage	Normal range 0.7Un~1.2Un, limit 0.65Un~1.9Un
	Voltage circuit power consumption	��1.0W 5VA
	Current circuit power consumption	��1VA��Ib��
temperature range	Normal operating temperature	-15��+55��
	Extreme working temperature	-20��+70��
	Storage and transportation temperature	-25��+70��
	ambient temperature	��85��
product lifespan		More than 10 years
Mean time between failures		��5×104h(MTBF)
Product dimensions (mm)		11016066
weight		About 0.8kg
pulse output	meter constant	1600imp/kWh 3200imp/kWh
pulse output	Pulse width of electrical energy	80 ± 20ms Typical value: 80ms
communication interface	Infrared communication speed	1200bps
	RS485 speed	1200bps (typical value) 600, 1200, 2400, 4800, 9600 (optional)
	communication protocol	DL/T645-1997 "Multi functional Meter Communication Protocol" It can also be changed according to user requirements

[electricity meter]DTSD237 Type Multifunctional Energy Meter

2026-6-17 13:51:53

Main characteristics of DTSD237 multifunctional electric energy meter

Advanced digital signal processing technology
High quality components and long-life design
Hardware redundancy design, power outage data not lost for ten years
Wide working temperature range, normal operation at -40 �� low temperature
Large screen Chinese character wide temperature LCD display, user-friendly interface, easy to operate
Convenient management software package, easy to learn and use, safe and reliable

The main functions of DTSD237 multifunctional electric energy meter are:

Positive and negative active energy metering
Sensory and capacitive reactive energy metering
Maximum demand measurement and corresponding occurrence time record
Measurable voltage, current, active power, reactive power, power factor, etc
4 rates, 10 time periods, 4 time zones
Accurate measurement can still be made even when one or two phases are de energized
The second level Chinese menu on the large screen displays various data of the electricity meter
Independent dual serial port design, infrared communication port and RS communication port can communicate simultaneously without interfering with each other; When one of the serial ports is damaged, it does not affect the normal operation of the other serial port.
Power outage meter reading
The communication protocol complies with the provisions of DL/T645-1997 standard and is equipped with secondary protection (hardware switch+password protection) during programming
Phase failure indication, reverse phase sequence indication, voltage loss alarm, voltage limit exceeding alarm, etc
Can record various event records, including: voltage loss record, current loss record, power outage record, phase failure record, programming record, reverse record, etc

function extension

The data storage capacity is up to 1M bits, which can store 35 days of historical daily data (15 minutes of data) and 3 months of historical monthly data
Various operational parameters of the statistical system, including three-phase unbalance rate, voltage qualification rate, maximum and minimum voltage values, and corresponding occurrence times; Power and electricity statistics; Demand statistics
The historical daily data operation curve includes phase separated voltage, current, power, power factor, active/reactive power readings, frequency, voltage loss time, etc

[electricity meter]DDS237-1 single-phase electronic energy meter

2026-6-17 13:51:45

Specification and main parameters of DDS237-1 single-phase electronic energy meter

Specification and model: DDS237-1
Accuracy level: 1.0 level
Reference voltage (V): 220 230 240
Reference current (A)
2.5 (10), 5 (20), 10 (40), 15 (60), 20 (80)
Meter constant (imp/kWh)
3200, 1600, 800
basic error
load current
power factor
Basic error (%)
0.05Ib �� I �� 0.1Ib
one
± 1.5
0.1Ib �� I �� Imax
one
± 1.0
0.1Ib �� I �� 0.2Ib
0.5L 0.8C
± 1.5
0.2Ib �� I �� Imax
0.5L 0.8C
± 1.0
start
Under the conditions of reference voltage, reference frequency, and power factor of 1, the meter can start and continuously record when the load current is 0.4% Ib.
Stealth
When a reference voltage of 115% is applied, the circuit is disconnected and no more than one electrical energy pulse is output.
Electrical parameters
Normal operating voltage: 0.9-1.1 reference voltage
Maximum operating voltage: 0.6~1.25 reference voltage
Insulation voltage: �� 2000VAC
Power consumption:<1W, 5VA

[electricity meter]DSR-10 High Voltage Energy Meter

2026-6-17 13:51:36

Structure and Characteristics
The DSR-10 high-voltage electric energy meter consists of an epoxy resin fully cast weak output combination transformer and an electronic electric energy meter, which can be used outdoors or indoors. The transformer is installed on the high-voltage line at the measuring point, and the energy meter is installed in a safe and suitable place for observation.
The A-type high-voltage energy meter uses one A-type combination transformer, which includes two weak output current transformers and two weak output voltage transformers.
The B-type high-voltage energy meter uses two B-type combination transformers, which include one weak output current transformer and one weak output voltage transformer.
The accuracy of current transformers shall not be lower than level 0.2, and the accuracy of voltage transformers shall not be lower than level 0.5. The overall error of electric energy measurement shall not be less than 0.5S level. The DSR-10 high-voltage electric energy meter has the following advantages:
1) Electricity metering is more fair. The errors of high-voltage energy metering devices in the past were synthesized using the square root method through voltage transformers, current transformers, secondary lead voltage drops, and errors in energy meters. This error synthesis method is based on the assumptions of symmetry and uniformity, and can only be used as a qualitative reference quantity, and cannot define the accuracy level of electric energy metering devices. The error of high-voltage electric energy meters is verified by the high-voltage calibration table as a whole, just like low-voltage electric energy meters, which have clear error limits. Facilitating the implementation of metrological supervision.
2) Save a large amount of steel, copper, and insulation materials. The 10KV high-voltage electricity meter using weak output transformers consumes significantly less electricity than traditional metering devices due to the reduction in secondary load. In line with China's national policy of building a resource-saving society.
3) The anti-theft function is stronger. Traditional measuring boxes can only use closed secondary leads to prevent electricity theft. High voltage energy meters using weak output combination transformers can adopt measures such as enclosed secondary leads and enclosed primary current busbars. Because a single current can penetrate through a single turn, it is difficult to steal electricity by short circuiting the primary connector when the current bus is an insulated wire. For the act of stealing electricity by opening the meter box, the multifunctional energy meter has the functions of opening the box cover recording and time period recording. It also has records for meter reversal, abnormal electricity consumption curve, etc. For areas with higher requirements, the information transmission function of the multifunctional energy meter can be activated, sending information to the control center every hour through GPRS, receiving timely reports and processing.
In addition to stealing electricity by destroying measuring devices, another type of electricity loss is technical theft. According to the principle of an electric energy meter, electrical energy is obtained by integrating the time of electrical power, which is the product of voltage and current. The distortion of voltage in the power grid is usually not severe, usually not exceeding 5%, but the distortion of electric current tends to become increasingly severe. The distortion of current is caused by nonlinear components in the circuit, such as the thyristor speed control device of electric locomotives, the half wave temperature control device of electric heaters, the rectification device of electrolysis and electroplating plants, and the electric arc furnace of steelmaking plants. In these polluted power systems, the harmonic content in the current often exceeds 20%, including DC components. The product of the DC component, harmonic component, and the fundamental sine component of the voltage in the current is still a sine quantity, and the result of the periodic integration is zero. In other words, existing energy meters cannot measure the energy consumed by electricity consuming enterprises in terms of DC and harmonic components. The presence of DC component can also cause the iron core of the current transformer to saturate, resulting in a significant decrease in the equivalent magnetic permeability of the iron core and a sharp increase in AC error. According to some regional electricity balance statistics, in enterprises with severe harmonic pollution in the power grid, the power supply department loses more than 20% of the total electricity consumption. We conducted verification tests on the half wave current error of the current transformer, and the results showed that under half wave current, the ratio error of the 0.2 level current transformer reached -82% and the phase error reached 600 ��. For the fairness of electricity billing, it is necessary to use broadband current transformers that can pass through the DC component for users with severe harmonic pollution. The broadband current sensor equipped with high-voltage electric energy meters adopts a Hall and electromagnetic composite structure, ensuring that power grid losses can be avoided even in the event of intentional technical theft by users.
4) It will not cause ferromagnetic resonance. Voltage transformers on 10KV lines often experience ferromagnetic resonance with the line capacitance. When frequency division resonance occurs, a large excitation current is generated, which can burn out the voltage transformers. For measuring boxes equipped with fuses, burning the fuses can prevent the measurement of electrical energy, which can easily lead to measurement disputes. Compact voltage transformers have a primary DC resistance of up to 30K ��, which reduces the Q value of the circuit to a level where resonance cannot occur.
The electrical structure of the SR-10 high-voltage electric energy meter is shown in Figure 1. In the figure, TV1 and TA1 are AB phase weak output combination transformers, TV2 and TA2 are CB phase weak output combination transformers, and DS is an electronic energy meter module that can measure active and reactive energy in both forward and reverse directions.

DSR-10 High Voltage Electric Energy Meter

[electricity meter]DTS(X)858 series three-phase electronic active and reactive power combination meter

2026-6-17 13:51:28

Scope of application
The DTS (X) 858 series three-phase electronic active and reactive combination energy meter (hereinafter referred to as the instrument) is an indoor three-phase energy meter designed and developed to adapt to China's power grid transformation and national conditions. It has high accuracy and feasibility. This instrument adopts ultra-low power large-scale integrated circuit technology and advanced SMT technology. The key components are selected from international brands and long-life devices, which improves the reliability of the product and extends its service life. A static three-phase active/reactive power combination energy meter can replace two ordinary three-phase energy meters, using a meter to measure active and reactive energy and constants intuitively and conveniently. The product performance characteristics comply with all technical requirements of GB/T "Static AC Active Energy Meter" and 17882-1999 "Level 2 and Level 3 Static AC Reactive Energy Meter".

Main technical parameters:

DTS (X) 858 series three-phase electronic active and reactive power combination meter

[electricity meter]DDSY858 single-phase electronic prepaid energy meter

2026-6-17 13:51:19

Scope of application
The DDSY858 single-phase electronic prepaid energy meter (hereinafter referred to as the meter) uses microelectronics technology to measure electrical energy, which complies with the GB/T17215-2002 and GB/T18460-2001 standards. The meter adopts a fully shielded and fully sealed structure, and uses an advanced microcontroller processing system for data acquisition, processing, and storage. It has the characteristics of good resistance to electromagnetic interference, low self consumption and energy saving, high precision without meter calibration, anti-theft, high overload, and long service life.
Key Features:
Apply computer management to purchase electricity before using it; The maximum operating power can be limited within the rated current range (limited by the power supply department); One meter, one card, dedicated card, no power loss after card loss, can be used after card replacement; Electric cards can transmit data bidirectionally; Can automatically power off and alert users to purchase electricity; When the battery level is zero, the power will automatically trip and cut off; And it has certain anti-theft software design, etc.

Main technical parameters of DDSY858 single-phase electronic prepaid energy meter:

DDSY858 single-phase electronic prepaid energy meter

[electricity meter]DSSD858 Type Three phase Electronic Multi functional Energy Meter

2026-6-17 13:51:11

Scope of application

The DSSD858 three-phase electronic multifunctional electric energy meter is designed using a dedicated chip for electric energy measurement, combining active and reactive power measurement with mature multi rate technology. It applies digital sampling processing technology and SMT technology, and is designed and manufactured according to the actual electricity consumption situation in China. It is an internationally advanced electric energy meter.
This product can measure both positive and negative active and reactive energy, and measure the maximum demand for active, reactive, and various rates. It has 4 rates, 10 time periods, 4 time zones, and 5 daily time period tables, which can record various events such as voltage loss, current loss, demand clearing, programming, and load curve recording. It also has functions such as power testing pulse output, remote control pulse, and clock signal output.
This product can be widely used for comprehensive energy measurement and management in power plants, substations, and various enterprises and institutions, especially suitable for the requirements of multi rate and reactive power measurement put forward by users for electricity transformation.
Its product performance indicators comply with the technical requirements of the national standards GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters", GB/T 17882-1999 "Level 2 and Level 3 Static AC Reactive Energy Meters", and DL/T 614-1997 "Multifunctional Energy Meters". The communication protocol complies with DL/T 645-1997 "Multifunctional Energy Meter Communication Protocol" and special protocols required by users.

Environmental conditions for use
Normal operating temperature -10 ��~+45 ��
Extreme working temperature -30 ��~+55 ��
Storage and transportation temperature -30 ��~+70 ��
Storage and working humidity �� 85%

Main technical parameters of DSSD858 three-phase electronic multifunctional energy meter:

DSSD858 Three phase Electronic Multi functional Energy Meter

[electricity meter]DTSD858 Type Three phase Electronic Multi functional Energy Meter

2026-6-17 13:51:02

Scope of application
The DTSD858 three-phase electronic multifunctional energy meter adopts a dedicated chip for energy measurement, which combines active and reactive power measurement with mature multi rate technology. It is designed and manufactured with digital sampling processing technology and SMT process according to the actual electricity consumption situation in China, and is an internationally advanced energy meter.

The DTSD858 three-phase electronic multifunctional energy meter can measure both positive and negative active and reactive energy, and measure the maximum demand for active, reactive, and various rates. It has 4 rates, 10 time periods, 4 time zones, and 5 daily time period tables, which can record various events such as voltage loss, current loss, demand clearing, programming, and load curve recording. It also has functions such as power testing pulse output, remote control pulse, and clock signal output.
This product can be widely used for comprehensive energy measurement and management in power plants, substations, and various enterprises and institutions, especially suitable for the requirements of multi rate and reactive power measurement put forward by users for electricity transformation.

Its product performance indicators comply with the technical requirements of the national standards GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters", GB/T 17882-1999 "Level 2 and Level 3 Static AC Reactive Energy Meters", and DL/T 614-1997 "Multifunctional Energy Meters". The communication protocol complies with DL/T 645-1997 "Multifunctional Energy Meter Communication Protocol" and special protocols required by users.

Environmental conditions for use
Normal operating temperature -10 ��~+45 ��
Extreme working temperature -30 ��~+55 ��
Storage and transportation temperature -30 ��~+70 ��
Storage and working humidity �� 85%

Main technical parameters:

DTSD858 Three phase Electronic Multi functional Energy Meter

[electricity meter]DDSF858 single-phase electronic multi rate energy meter

2026-6-17 13:50:54

Scope of application
DDSF858 single-phase electronic multi rate energy meter is a new generation of energy meter designed and manufactured by our company using advanced microelectronics technology, computer technology, and SMT manufacturing technology. It can directly and accurately measure the active energy of each phase in both forward and reverse directions, and process it according to the corresponding rate requirements. All performance indicators comply with the technical requirements of GB/T17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters". This series of products has three rates, eight time periods, a hundred year calendar clock, infrared remote control programming meter reading, and RS485 communication interface (optional) and pulse output functions, making it an ideal measuring instrument for modern energy management.

Main technical parameters of DDSF858 single-phase electronic multi rate energy meter:

DDSF858 single-phase electronic multi rate energy meter

[electricity meter]DSS858 type three-phase electronic energy meter

2026-6-17 13:50:46

Scope of application
The DSS858 three-phase electronic energy meter is a new product. This product is manufactured using advanced ultra-low power solid-state integration technology and SMT process, ensuring reliable measurement accuracy and stability. It meets all technical requirements for three-phase electronic energy meters in the national standard GB/T17215 "Level 1 and Level 2 Static AC Active Energy Meters".
Function and Features:
1) Three phase bidirectional active energy metering, with one or two phases disconnected, the accuracy of the metering is not affected;
2) Wide working temperature range, high reliability, no need for calibration for long-term operation;
3) Capable of outputting electrical energy testing signals;
4) Equipped with power-off phase loss indication function (optional);
5) You can choose LED or LCD display.

Main technical parameters of DSS858 three-phase electronic energy meter:

DSS858 three-phase electronic energy meter

[electricity meter]DTS858 type three-phase electronic energy meter

2026-6-17 13:50:37

Scope of application
The DTS858 three-phase electronic energy meter is a new product launched by our company. This product is manufactured using advanced ultra-low power solid-state integration technology and SMT process, ensuring reliable measurement accuracy and stability. It meets all technical requirements for three-phase electronic energy meters in the national standard GB/T17215 "Level 1 and Level 2 Static AC Active Energy Meters".

Functions and characteristics of DTS858 three-phase electronic energy meter:
1) Three phase bidirectional active energy metering, with one or two phases disconnected, the accuracy of the metering is not affected;
2) Wide working temperature range, high reliability, no need for calibration for long-term operation;
3) Capable of outputting electrical energy testing signals;
4) Equipped with power-off phase loss indication function (optional);
5) You can choose LED or LCD display.

Main technical parameters of DTS858 three-phase electronic energy meter:

DTS858 three-phase electronic energy meter

[electricity meter]D86 series three-phase electricity meter

2026-6-17 13:50:29

The D86 series three-phase electricity meter is an induction type AC electricity meter jointly designed by the whole country. This series of products has complete specifications and stable performance, and is used for industrial and power generation electricity statistics in the three-phase AC power grid Products that can provide functions such as bidirectional metering, reverse direction, pulse output, and carrier communication according to user needs.

[electricity meter]DDSI877 Single phase electronic carrier energy meter

2026-6-17 13:50:19

The DDSI877 single-phase electronic carrier energy meter, as the terminal device of the automatic meter reading system, is a measuring instrument that uses a dedicated large punch integrated circuit as the core component, integrating measurement, display, and communication functions. This product has the advantages of few peripheral components, simple structure, easy mass production, high reliability, high accuracy, and strong carrier communication capability. The transmission of electricity meter data adopts power line carrier, without the need for additional communication and data acquisition cables. Greatly reducing the cost and difficulty of the main construction of the project, and avoiding the danger of data collection and malicious cutting of channel cables, it is more suitable for automatic meter reading in dispersed areas for users.

[electricity meter]DDSY877 single-phase electronic prepaid energy meter

2026-6-17 13:50:11

DDSY877 single-phase electronic prepaid energy meter

Pre sale of electricity, automatic power-off when used up.
Remind to purchase electricity, and when the remaining power is less than a certain amount, issue an alarm signal. The value of the alarm power and the alarm method can be flexibly set according to actual needs.
The digital display shows various data, and the function of writing back electricity data is convenient for the management of the power supply department.
One table, one card, multiple dynamic encryption to ensure user security.
Partition, classify, and ensure password security for different types of electricity meters with multiple passwords.
Secure checkpoint protection can effectively prevent checkpoint attacks.
Ultra low voltage operation ensures that the electricity meter can still function normally at 150V.
The unique anti crash circuit and multiple fault-tolerant designs ensure the safe operation of the electricity meter.
The unique power monitoring function ensures the normal storage of power outage data and guarantees the absolute accuracy of measurement data (pulses will not be lost during power outage)
It has overload control function.
It has a zero crossing electricity metering function.

DDSY877 single-phase electronic prepaid energy meter

[electricity meter]DTS877 series three-phase electronic energy meter

2026-6-17 13:50:02

The DTS877 series three-phase electronic energy meter adopts large-scale dedicated energy metering integrated circuits and advanced SMT fully automatic surface mount welding technology, as well as high-quality electronic components and excellent structural materials, supplemented by strict and scientific aging, testing, high technology and management methods, effectively ensuring that the product has the characteristics of accurate measurement, reliable operation, and sturdy structure, and meets the requirements of long life operation. Provide pulses for remote control detection of electricity usage on site.

[electricity meter]DDS877 single-phase electronic energy meter

2026-6-17 13:49:53

The DDS877 single-phase electronic energy meter adopts a dedicated large-scale energy metering integrated circuit and advanced SMT fully automatic surface mount welding technology, as well as high-quality electronic components and excellent structural materials, supplemented by strict and technological aging, testing, debugging processes and management methods, effectively ensuring that the product has the characteristics of accurate measurement, stable and reliable operation, and sturdy structure, and meets the requirements of long-life operation. Pulse output can be provided according to user requirements for remote control detection of electricity usage on site. The meter also has the function of preventing illegal electricity theft. There are two types of electric energy displays for users to choose from: metering display or LCD display.

[electricity meter]DD862 series single-phase electricity meter

2026-6-17 13:49:45

DD862-4 single-phase energy meter is widely used in China. This product is a series of products jointly designed by the whole country, with complete specifications and stable performance, used for measuring single-phase AC active energy. We can provide products with functions such as bidirectional metering, reverse osmosis, pulse output, and carrier communication according to user needs.
DD862-4 single-phase meter is suitable for measuring induction system instruments with rated frequency of 50Hz single-phase AC active energy.

The electric meter is fixedly installed for indoor use, suitable for ambient temperatures ranging from -10 �� to+50 ��, relative humidity not exceeding 85%, and does not contain corrosive gases in the air, avoiding the effects of dust, salt spray, and condensation.