Project Name

Measurable range

Measurement accuracy

explanation

Voltage/current/frequency

Three phase voltage: 10~700V (true RMS)
Zero line voltage: 1-70V (true RMS)
Three phase current: 0~1000A (true effective value, optional 1000A current sensor)
Zero line current: 0~25A (true effective value, optional 25A current sensor)
Frequency: 40~70Hz

Voltage: ± 0.5%

Current: ± 0.5%

Frequency: ± 0.01Hz

Here, the A-phase voltage frequency is used as the measurement frequency

Harmonic Measurement

Voltage harmonics: total harmonics, 1st to 50th harmonics
Current harmonics: total harmonics, 1st to 50th harmonics

Voltage harmonics: ± 0.1 (% f)
Current harmonics: ± 1%

power measurement

Active power: 0.05~700KW
Seen at: 0.05~700KVA
Reactive power: 0.05~700KVAR
Power factor: 0.00~1.00
Active energy: 0.01~10000kWh
Visual electrical energy ranging from 0.01 to 10000kVAh
Reactive power 0.01~10000kVARh
Average power factor: 0.00~1.00

Merit: ± 2%
Visible: ± 2%
Reactive power: ± 2%
Power factor: reading ± 0.005
Active energy: ± 2%
Visual electrical energy: ± 2%
Reactive energy: ± 2%
Average power factor: reading ± 0.005

three-phase unbalance

Fundamental voltage: 10~700V (true RMS)
Fundamental current: 0.5~1000A (true effective value)
Fundamental frequency: 40~70Hz
Phase angle: 0~360?
Imbalance: 0.0%~100%

Voltage: 0.5%
Current: 0.5%
Frequency: Reading ± 0.01Hz
Phase angle: reading ± 0.3?
Voltage imbalance: reading ± 0.2
Current imbalance: reading ± 0.2

Here, the A-phase voltage frequency is used as the total measurement frequency

Project Name

Measurable range

Measurement accuracy

explanation

monitoring record

Recorded parameters: three-phase voltage, three-phase current, neutral line current, voltage harmonics (total harmonics, 1-25th harmonics), current harmonics (total harmonics, 1-25th harmonics), three-phase imbalance, active power, power factor, fluctuation, flicker

Recording duration=(the maximum number of big data that can be recorded by the instrument multiplied by the storage time interval)/60 minutes=18635 * 3 seconds/3600 seconds=15.5 hours
Save time interval: 3S~30Min Record duration: 15 hours~388 days

The collection interval is set to 3 seconds, which can monitor for 15.5 hours. The collection interval can be set to 30 minutes, which can monitor for 388 days (continuously adjustable from 3 seconds to 30 minutes)

Sudden rise and sudden drop

Voltage surge, voltage dip, and temporary power outage

Zui can record up to 40 events

Fluctuations

Voltage fluctuation: 0.1%~10.0%

Measurement error: ± 5%

Flicker

Short term flicker
Long term flicker

Short term flicker measurement error: ± 5%
Long term flicker measurement error: ± 5%

Digital Oscilloscope

Instantaneous waveforms of three-phase voltage, three-phase current, zero line voltage, and zero line current

Maximum sampling frequency: 200KHz
Zui small sampling frequency: 100Hz

model

HDGC3531

display screen

Touch screen, color graphic LCD

communication interface

USB

weight

1.0KG

memory

64M bit