Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.
Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd. an exclusive current transformer, split core current transformer, current clamp & voltage transformer manufacturer.
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GF312B2 Portable Three Phase Standard Meter with high accuracy class and english display
Product Description
GF312B2 portable three phase standard reference meter high accuracy 0.02%. It can be applied in following area:
Electric power department
Measuring and quality examining department
Electrical lab.
Features
High accuracy up to 0.02%
Metal body, strong and reliable
DSP+32 bit ARM technology
Measurement 2~51 times harmonics
Waveform display function
Vector diagram function
Energy accumulating function
7 inch TFT color LCD
Suit for testing in the field or in the lab
Accuracy class 0.02% , 0.05%
Test voltage range 30-560V
Test current range (direct connection) 20mA-120A
Power supply 85-450V, 50/60Hz±2Hz
Power consumption 13VA
| Electrical parameters | |
| Accuracy class | 0.02% , 0.05% |
| Power supply | 85-450V, 50/60Hz±2Hz |
| Power consumption | 13VA |
| Communication port | RS232 , USB |
| Voltage measurement | |
| Range | 30-560V |
| Resolution | 0.001V |
| Error | ±0.02% (30V-560V) ±0.05% (5V-30V) |
| Harmonic | 2nd-51st |
| Current measurement | |
| Range (direct connection) | 20mA-120A |
| Resolution | 0.1mA |
| Error (direct connection) | ±0.02% (100mA-120A) ±0.05% (20mA-100mA) |
| Harmonic | 2nd-51st |
| Clamp on CT(option) | 5A,20A, 100A |
| Accuracy | 0.20% |
| Power measure error | |
| Active power (direct connection) | ±0.02% (0.1A-120A) ±0.05% (0.02A-0.1A) |
| Reactive power (direct connection) | ±0.05% (0.1A-120A) |
| Energy measure error | |
| Active energy (direct connection) | ±0.02% (0.1A-120A) ±0.05% (0.02A-0.1A) |
| Reactive energy (direct connection) | ±0.05% (0.1A-120A) |
| Phase angle | |
| Range | 0o-360o |
| Resolution | 0.005o |
| Error | ±0.02o |
| Frequency | |
| Range | 45-65Hz |
| Resolution | 0.001Hz |
| Error | 0.002Hz |
| Power factor | |
| Range | -1.0 ~ 0 ~ +1.0 |
| Resolution | 0.0001 |
| Error | 0.0005 |
| Pulse output | |
| Energy constant | 1-250000 |
| Pulse ratio | 1:1 |
| Output level | 5V |
| Pulse input | |
| Input channel | 1 |
| Input level | 5-24V |
| Input frequency | Max. 2MHz |
| Display | |
| Color LCD | 7”STN (800×480) |
| Mechanical parameters | |
| Dimensions (W×H×D) (mm) | 365×269×151 |
| Weight (kg) | 4 |
| Environmental conditions | |
| Ambient temperature | -10°C to 40°C |
| Relative humidity | 30%-80% |