Audited Supplier
It can calculate the ratio errors and phase angle errors of current transformer and voltage transformer at rated burden and working burden in one test.
CPT-III Automatic Advanced CT Analysis CT PT Tester Current Transformer CT Analyzer can automatically evaluate the test results according to the selected standard to determine whether the transformer is qualified.
Test standards: IEC60044-1, IEC60044-6, IEC60044-2, IEC60044-5, C57.13
Power supply: AC220V±10%, 50/60Hz±10%
Voltage output: 0.1~180V (AC)
Current output: 0.001~5A(RMS)
Power output: 500VA
Maximum knee voltage measurement: 45KV
PT ratio error measurement: typical error <0.05%, maximum error<0.1%
PT phase angle measurement: maximum error < 3min
Memory capacity: >1000 groups test results
Working condition: temperature: -10ºC~50ºC, humidty: ≤90%
Size: 485mm * 356mm * 183mm, weight: <15kg
| Test Parameters | Range | Error | Resolution |
| Current | 0~10A (automatically change range in 0.1/0.4/2/10A) | <±0.1%+0.01%FS | / |
| Voltage | 0~200V (automatically change range in 1V/10V/70V/200V) | <±0.1%+0.01%FS | / |
| Turns Ratio | 1~5000 | <0.05% | / |
| 5000~35000 | <0.1% | / | |
| Phase | / | ±2min | Resolution: 0.01min |
| Winding Resistance | 0~8kΩ (automatically change range in 2ohm/20ohm/80ohm/800ohm/8kohm) | <0.2%RDG+0.02%FS | Max. resolution: 0.1mΩ |
| Temperature | -50~100 Celsius degree | <3 Celsius degree | / |
| CT Secondary Burden | 0~160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm) | <0.2%RDG+0.02%FS | Max. resolution: 0.001ohm |
| PT Secondary Burden | 0~80kohm (automatically change range in 800ohm/8kohm/80kohm) | <0.2%RDG+0.02%FS | Max. resolution: 0.1ohm |
| PT Ratio | 1~10000 | <0.1% | / |
| 10000~35000 | <0.2% | / |
1. Panel
2. Software
Functions of test software:
Make evaluation for test results according to selected standards.
Make word report for test result.
Make word reports one time for multi-group test records on the PC.
Calculate the ratio errors and phase angle errors at rated burden and working burden in one time test.
Compare excitation curves with saved excitation curves in the same window.
3. The whole set
4. The Main tester
5. Accessories
| Name | Qty. | Description |
| 3M mask cable | 2pcs | Test cable for power out and CT secondary connection |
| 10M mask cable | 1pc | Test cable for CT primary connection |
| Grounding cable | 1pc | |
| Big test pliers | 2pcs | One red and one black |
| Test gasket | 4pcs | Two red and two black |
| Test pin | 4pcs | Two red and two black |
| Test pliers | 12pcs | Three red and nine black |
| Short connection cable | 1pc | Including six connection terminals |
| 3A fuse | 3pcs | |
| Power cable | 1pc | |
| Accessories bag | 1pc | |
| Production disk | 1pc | Include Analysis application and user manual |
| User manual | 2pcs |
