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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Portable Instrument Current Transformer Calibration Device With Turn Ratio 5000/1 To 25000/5A
GF106T Portable Instrument Current Transformer calibration Device with turn ratio 5000/1 to 25000/5A
GF106T Portable Instrument Current Transformer calibration device is mainly used for field testing of P class CT and PT. The test items mainly include excitation characteristic, transformation ratio, polarity, degauss, 5% and 10% error curves, secondary circuit check, withstand test of power frequency alternating current and secondary load. Adopting LCD, self-equipped mini type printer supporting field printing; supporting to use USB flash disk to dump data, with simple and convenient operation.
| I. Current Transformer (CT) | II. Voltage Transformer (PT) |
|---|---|
| 1. Magnetization curve | 1. Excitation characteristic test |
| 2. Transformation ratio test | 2. Transformation ratio test |
| 3. Polarity | 3. Polarity |
| 4. 5% and 10% error curve | 4. Withstand test of power frequency alternating current |
| 5. Current Injecting | 5. Degauss |
| 6. Degauss | 6. Calculation of knee point value |
| 7. Withstand test of power frequency alternating current | 7. Actual secondary load test |
| 8. Automatic calculation of excitation knee point value | 8. Resistance test |
| 9. Actual secondary load test | |
| 10. Resistance test | |
| Electrical parameters | ||
|---|---|---|
| Accuracy | 0.2%, 0.5% | |
| Power supply | AC 220V±10% or AC 110V±10%, 50/60Hz | |
| Excitation voltage output | 0-2500Vrms, | |
| Excitation current output | 0-5Arms (20A peak-value) | |
| Large current output | 0-1000A | |
| Electrical parameters - continued | ||
| Accuracy | ≤0.5% (0.2%RD+0.3%RG) | |
| Secondary winding DC resistance measurement | Range | 0.1-300Ω |
| Accuracy | ≤0.5% (0.2%RD+0.3%RG) | |
| Secondary actual load measurement | Range | 5VA-1000VA |
| Accuracy | ≤0.5% (0.2%RD+0.3%RG)±0.1VA | |
| CT/PT phase error measurement | Accuracy | ±4min |
| Resolution | 0.01min | |
| CT ratio error measurement | Range | ≤25000A/5A(5000A/1A) |
| Accuracy | ≤0.5% | |
| PT ratio error measurement | Range | 1-500KV |
| Accuracy | ≤0.5% | |
| Standards | ||
| Reference standards | GB1207-2006, GB1208-2006, GB16847-1997 IEC60044-1, IEC60044-6, IEC61869-2-2012 | |
| Safety standards | GB 4793.1-2007 | |
| EMC | EMC standard 89/336/EEC | |
| FCC Subpart B of Part 15 Class A | ||
| IEC 1000-4-2 /3 /4 /6 | ||
| Mechanical parameters | ||
| Overall dimension (L x W x H) (mm) | 400 x 250 x 250 | |
| Weight (kg) | ≤22 | |
| Environmental conditions | ||
| Relative humidity | 90RH% | |
| Operating temperature | -10°C to +40°C | |
| Altitude | ≤1000m | |
