GF312B Portable Three Phase Energy Meter Calibrator With Printer
The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure all various of AC parameters.
Electrical parameters | |
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Accuracy class | 0.05%, 0.1% |
Resolution | 6”TFT (640×480) |
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 | 0-480V |
Error | ±0.05% (30V-480V) ±0.1% (5V-30V) |
Harmonic | 2nd-64st |
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-64st |
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) |
Phase angle | |
Range | 0°-360° |
Resolution | 0.01o |
Error | ±0.05° |
Frequency | |
Range | 45-65Hz |
Resolution | 0.001Hz |
Error | 0.002Hz |
Pulse input | |
Input channel | 2 |
Input level | 5-24V |
Input frequency | Max. 2MHz |
Pulse output | |
Energy constant | 180000imp/kWh, 1800imp/kWh, 180imp/kWh |
Pulse ratio | 1:1 |
Output level | 5V |
Function | |
Vector diagram | Yes |
Waveform | Yes |
Energy accumulation | Yes |
Communication with PC | Yes |
Mechanical parameters | |
Instrument dimensions (W×H×D) (mm) | 245×162×60 |
Instrument Weight (kg) | 1.8 |
Carry case dimensions (W×H×D) (mm) | 450×320×185 |
Carry case (kg) | 10.6 |
Environmental conditions | |
Ambient temperature | -10°C to 55°C |
Relative humidity | 15%-85% |