ZW3433C Intelligent Network Power MeterDetailed product description：

1. Main features of ZW3433C intelligent network power meter:

True RMS 3-channel current measurement
True RMS 3-phase/line voltage measurement
Measurement of each phase and total active power
Measurement of each phase and total reactive power
Measurement of phase and total apparent power
Measurement of phase and total power factor
Accumulation of active electrical energy (positive and negative accumulation)
Reactive energy accumulation (forward and backward accumulation)
Apparent accumulation of electrical energy
frequency measurement
Accept standard CT and PT inputs
Programmable fixed value alarm function with delay function
Settings can be easily modified through the large LCD display screen (with password protection function)
Two relay outputs, which can be used for alarm output, upper computer control, or power pulse output
RS-485 communication interface with optical isolation compliant with Modbus RTU protocol

2. Main technical parameters of ZW3433C intelligent network power meter
The test object of this power monitoring instrument is AC voltage and current signals at 45-65 Hz. The specific technical indicators are as follows:

Main technical parameters of ZW3433C intelligent network power meter

measurement parameters	measurement range	Measurement error	resolution	overload
voltage	10.0～500.0V　AC	± (0.4% reading+0.1% range)	0.1V	120%
current	0.01-5A AC	± (0.4% reading+0.1% range)	0.001A	120%
active power	U*I*COSΦ	PF=1.0： ± (0.4% reading+0.1% range)	0.1W
active energy	99999 MWh		0.1Wh
reactive power	U*I*SINΦ	PF=0.0： ± (0.8% reading+0.2% range)	0.1Var
Reactive energy	99999 MVarh		0.1Varh
apparent power	U*I	± (0.4% reading+0.1% range)	0.1VA
apparent energy	99999 MVAh		0.1VAh
power factor	0.20～1.00	±0.02	zero point zero zero one
frequency	45～65Hz	±0.05Hz	0.01Hz

3. Other technical parameters are as follows:

Voltage input (per channel)
Input Range	10-500V AC
input impedance	2MΩ
Current input (per channel)
Input Range	0.01-5A AC
input impedance	<0.1Ω
Relay output (2 channels)
Contact type	Each circuit has one normally open and one normally closed mechanical contact
contact rating	2A/250V AC
serial port
type	Optoelectronic isolation RS-485
agreement	Modbus-RTU
Baud rate	9600、19200、38400 bps
working environment
temperature	0～40℃
humidity	<75%RH
atmospheric pressure	80～106 kPa
working power supply
power supply voltage	85～265V AC
Power supply frequency	45～65Hz
Whole machine power consumption (with expansion)	<10VA
Other parameters
Overall dimensions	96 X 96 X 100mm
opening size	92 X 92mm