Portable China Factory Intelligent Energy Meter Calibrator

The instrument is a high precision measuring instrument, which can be used in the power qualityproblems such as the electric energy meter calibration, the electric parameter test and the detectionof the power quality problems such as wave distortion, voltage fluctuation and three-phase unbalanceLive test the integrated error of the real load testing and metering equipmentAccurately measure a variety of parameters,U, I, active power, reactive power, phase angle, PF, Fan match with bar-code scanner to auto record the bar-code of energy metersRS485 communication port test, on site calibrate multiple function or intelligent energy metersVector diagram display of the measured voltage and current,48 kindsof wire connectingmodes.The current circuit can be measured using clamp CTwithout disconnecting current loopCheck voltage meter, current meter,phase meter,3P3W,3P4W, 1P 1A, 5A power meter,indicatorsphotoelectric, manual, pulse and other methods for energy meter calibrationMeasurement and analysis of the AC power quality from the utility grid to clientdisplay single-phase and 3 phase voltage, current waveformThe load fluctuation monitoring, auto recording of electric power parameters.ynamic monitoringof powerequipment adjustment and operationMeasure and analyzethe dynamic parameters of reactive power compensation and filtering devicesCalendar and real clock function, data automatically save during testing and can upload to computerLarge LCD display and user-friendly interfaceSmall size, light weight, easy to carry. It can be used both on site orin laboratory.1. Measuring rangeVoltage measuring range: 0~400V,57.7V,100V,220V,400V, 4 gears automatically shift range
Current measuring range: 0~5A built in transformer 5A(CT)
Split-core type transformer: 5A(small size), 25A(small size), 100A(medium size), 500A(medium size),
400A(big size), 2000A(bigsize) 6 gears, medium and big size clamps optional
Phase angle measuring range: 0~359.999°
Frequency measuring range: 45~55Hz2 Accuracy
1>Voltage: ±0.05%(±0.1%)
2>current: ±0.05%(±0.1%)(split-core type transformer±0.5%)
3>Active power:±0.05%(±0.1%)(split-core type transformer±0.5%)
4>Reactive power: ±0.3%(±0.5%)( split-core type transformer±1.0%)
5>Active power energy:±0.05%(±0.1%)(split-core type transformer±0.5%)
6>Reactive power energy: ±0.3%(±0.5%)(split-core type transformer±1.0%)
7>Frequency: ±0.05%(±0.1%)
8>Phase position: ±0.2°3. Power quality:
Fundamental voltage and current amplitude:
the fundamental voltage tolerance ≤0.5% FS; fundamental current allowable error ≤1% FS
phase difference between fundamental voltage and current error:≤0.5°
Harmonic voltage containing rate measurement error:≤0.1%
Harmonic current containing rate measurement error:≤0.2%
Threephase voltage unbalance degree error:≤0.2%4. Working temperature: -10ºC~ + 40ºC
5. dielectric strength
1. the insulating resistance of voltage current input terminal to case≥100MΩ
2)the input terminal of the working power can stand 1.5kV (RMS) to case, time is 1 minute6. Standard power energy pulse constant:
Built-in transformer (FL)=10000 r/kW·h
Split-core type transformer: (FL):
5A25A100A500A400A2000A10000 r/KW·h2000 r/KW·h500 r/KW·h100 r/KW·h125 r/KW·h25 r/KW·h
7. Net Weight: 2KgSize: 25x16x6 cm