| After-sales Service: | Online Training for Operation and Installation |
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| Warranty: | 365 Days |
| Description: | Automatic Multifunctional CT Tester |
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CPT-III Transformer CT Tester is used to measure all kinds of current transformer and voltage transformer.
CPT-III Transformer CT Tester 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 CT Testercan automatically evaluates 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 group 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 degrees | <3 Celsius degree | / |
| CT Secondary Burden | 0~160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm) |
<0.2%RDG+0.02%FS | Max. resolution: 0.001 ohm |
| PT Secondary Burden | 0~80kohm (automatically change range in 800ohm/8kohm/80kohm) |
<0.2%RDG+0.02%FS | Max. resolution: 0.1 ohm |
| PT Ratio | 1~10000 | <0.1% | / |
| 10000~35000 | <0.2% | / |
Make evaluations 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.
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