Wuhan GDMK Electric Co., Ltd.
https://www.mktester.com/power-analyzer/three-phase-energy-meter-field-calibrator.html
Product description:
Three Phase Energy Meter Field Calibrator is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.
Technical index:
Electrical parameters | |
Accuracy class | 0.05%, 0.1% |
Resolution | 6”TFT (640×480) |
Electrical parameters - continued | |
Power supply | 220V±10%, 50/60Hz Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh) Power line supply (U1, UN), 85V-265V 50/60Hz |
Communication port | RS232 |
Test voltage | |
Range | 5-480V |
Error | ±0.05% (30V-480V) |
±0.1% (5V-30V) | |
Harmonic | 2nd-63st |
Test current | |
Range (direct connection) | 5mA-20A |
Error (direct connection) | ±0.05% (100mA-20A) ±0.1% (10mA-100mA) |
Range (clamp CT) | 10mA-3000A |
Error (camp CT) | ±0.2% (100mA-100A) ±0.5% (100A-3000A) |
Harmonic | 2nd-63st |
Power measure error | |
Active power (direct connection) | ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) |
Reactive power (direct connection) | ±0.1% (0.1A-20A) |
Energy measure error | |
Active energy (direct connection) | ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) |
Reactive energy (direct connection) | ±0.1% (0.1A-20A) |