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Features:
 

1. The instrument is a high precision measuring instrument, which can be used for electric energy meter calibration, electric parameter test and the detection of the power quality problems such as wave distortion, voltage fluctuation, three-phase unbalance
2. Can on line test the integrated error of the real load testing and metering equipment, without power off, without changing the metering circuit; without opening the metering device
3. It can accurately measure a variety of electrical parameters, such as voltage, current, active power, reactive power, phase angle, power factor, frequency,etc.
4. It can display the vector diagram of the measured voltage and current, by which users can judge if the metering device wiring is correct or not. And can discriminate 48 kinds of wire connection under three phases three wire connecting mode, and can auto calculate electric quantity compensation
5. The current circuit can be measured
6. Can check voltage meter, current meter, power meter, phase meter and other indicators as well as three-phase three wire, three-phase four wire, single phase 1A, 5A all kinds of active and reactive power meter.
7. Can use photoelectric, manual, pulse and other methods for energy meter calibration
8. Measurement and analysis of the AC power quality from the to client can be easily done, including frequency deviation, voltage deviation, voltage fluctuations, flicker, three-phase voltage unbalance factor and harmonic.
9. It can display single-phase voltage, current waveform and can display three-phase voltage and current waveform at the same time.
10. load fluctuation monitoring, measurement and analysis of power quality fluctuations
11. Dynamic monitoring of power equipment adjustment and operation
12. It can measure and analyze the dynamic parameters of reactive power compensation and filtering devices in the power system, and make quantitative evaluation of its features and technical specifications.
13. Calendar and real clock function, data automatically save during testing and can be transmitted to computer
14. Large LCD display and user-friendly interface
15. It has a small size, light weight, easy to carry. It can be used both as site testing measurement and as the standard measurement equipment in laboratory.

Parameters:
 
Input voltage: AC 0~400V, 57.7V,100V,220V,400V,auto switch range
Current measuring scope: 0-5A Clamp transformer: 5A, 25A, 100A, 500A, 400A, 2000A for options. Default configuration: 5A & 500A
Frequency range: 45Hz~55Hz
Phase position measuring range: 0°~359.99°
Accuracy: U:±0.1%,I: clamp ±0.3%
Active power, active energy: 0.5, reactive power energy: 1
Frequency: 0.05%, phase angle: 0.2°
Insulation resistance of input terminal to case≥ 100MΩ, withstand voltage 1.5kV time 1minute.
Working environment: -10ºC~+40ºC
Power supply: rechargeable battery or 220V AC
Size and net weight:250×160×60(mm)2Kg