GF311 Portable three phase multifunction digital phase angle tester
It can be applied to electric power dispatching center, relay protection department or relay protection in power plant. Its metric division class makes it suitable for petroleum, railways and the iron and steel industries also.
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Features
- Simultaneously measuring three-phase voltages, current, power, frequency, power factor, phase, etc.
- Display vector map for the use of user directly.
- Horizontal liquid crystal big screen TFT displays all electric parameters;
- The smallest current it can measure is 1 mA, 2 mA above can display vector diagram;
- Small volume, light weight and the operation is simple, convenient;
- DSP digital signal processing chip, wide measuring range, high accuracy, good stability;
- It can store data; data can be using computer software to upload for management;
- Range switches automatically, software for be calibrated.
Parameters
| Electrical parameters | |
|---|---|
| Accuracy class | 0.5% |
| Power supply | AC 85-265V 50/60Hz or Li-battery 5000mAh |
| Communication Port | RS232 |
| Warming-up time | < 5min |
| Power consumption | ≤5VA |
| Voltage measurement | |
| U1, U2, U3 Range | 0-480V |
| Resolution | 0.001V |
| Accuracy | 0.2% |
| Current measurement | |
| I1, I2, I3 Range | 1mA-10A or 50mA-200A or 50mA-500A |
| Resolution | 0.5mA |
| Accuracy | 0.5% |
| Active power measurement | |
| Active accuracy | 0.5% |
| Reactive power measurement | |
| Accuracy | 1% |
| Phase measurement | |
| Range | 0°-359.9° |
| Resolution | 0.001° |
| Accuracy | 0.1° |
| Frequency measurement | |
| Range | 45-65Hz |
| Resolution | 0. 001Hz |
| Accuracy | 0.01Hz |
| Power factor measurement | |
| Range | -1 to 0 to +1 |
| Resolution | 0.0001 |
| Accuracy | 0.01 |
| Mechanical parameters | |
| Dimensions (W×D×H) (mm) | 245×162×60 |
| Weight (kg) | 1 (mains) 6.5 (appendix and box) |
| Environmental conditions | |
| Working temperature | -10°C to 55°C |
| Working humidity | 15%-85%RHD |
| Storage temperature | -25°C to 70°C |
| Storage humidity | 5%-95%RHD |
