GDHG-106B CT/PT Analyzer
Suitable for all types of CT and PT.
For Laboratory and On-site test.
Features- Finish all testing subject by itself, no need to connect auxiliary equipment.
- Built-in printer, to print results easily.
- Large screen LCD, graphically display.
- Auto display excitation knee point value, 5% and 10% error curve.
- Save 3000 groups data.
- With USB port. The data can be saved in USB disk and read by PC(WORD format file).
- Portable design about 35kg, suitable for on-site test.
- Engineering plastic box with damping, strong and reliable.
| CT ( protection type, measurement type) | PT |
| Voltage current characteristic curve (excitation characteristic) | Voltage current characteristic curve (excitation characteristic) |
| Auto calculate knee point value | Auto calculate knee point value |
| Auto display 5% and 10% error curve | Turns ratio measurement |
| Turns ratio measurement | Polarity determination |
| Ratio e rror measurement | Ratio e rror measurement |
| Phase measurement ( angular difference ) | Phase measurement (angular difference) |
| Polarity determination | AC withstand test |
| Primary current injection test | Secondary winding resistance measurement |
| AC withstand test | Secondary burden measurement |
| Secondary winding resistance measurement | D emagnetizatio n of iron core |
| Secondary burden measurement | |
| D emagnetizatio n of iron core |
Main parameters
| Item | Parameter | |
| Power supply | AC220V±10%, 50Hz | |
| Output | 0 - 250 0 Vrms, 5Arms （ 20 A peak ） | |
| Output current | 0-1000A | |
| Accuracy of excitation | ≤0.5% (0.2%*the reading+0.3%*range) | |
| Secondary winding resistance measurement | Range | 0 ～ 30 0Ω |
| Accuracy | ≤0.5% (0.2%*the reading+0.3%*range) | |
| Secondary actual burden measurement | Range | 0-10 00VA |
| Accuracy | ≤0.5% (0.2%*the reading+0.3%*range) ± 0.1VA | |
| Accuracy of angular error | 4 min | |
| Accuracy of ratio error | 0.05% | |
| CT ratio measurement | Range | 25000A/5A ( 5000A/1A ) ≥ 5A/5A |
| Accuracy | ≤0.5% | |
| PT ratio measurement | Range | ≤ 500KV |
| Accuracy | ≤0.5% | |
| Operation environment | Temperature: － 10℃ - 40℃, H umidity: ≤90%, Altitude: ≤1000m | |
| Dimension&Weight | Dimension: 4 4 0mm × 34 0mm × 3 8 0mm Weight: ≤ 35 Kg | |