Comprehensive CTPT tester |  Detailed introduction of technical principles

This comprehensive instrument transformer tester, portable CT/PT transformer comprehensive analyzer, and current/voltage transformer tester (0-180Vrms, 12Arms) meets the testing requirements for various CT/PT electromagnetic units, including excitation characteristics, turns ratio, polarity, secondary winding resistance, ratio difference, and phase angle difference.

1. It offers comprehensive functionality, satisfying the testing requirements for various CTs (e.g., protection, metering, TP types) such as excitation characteristics (i.e., volt-ampere characteristics), turns ratio, polarity, secondary winding resistance, secondary load, ratio difference, and phase angle difference. It can also be used for testing various PT electromagnetic units, including excitation characteristics, turns ratio, polarity, secondary winding resistance, ratio difference, and phase angle difference.

2. It automatically provides CT/PT parameters such as inflection point voltage/current, 10% (5%) error curve, accuracy limit factor (ALF), instrument safety factor (FS), secondary time constant (Ts), residual magnetism coefficient (Kr), and saturated and unsaturated inductance.

3. The test complies with various current transformer standards such as GB1208 (IEC60044-1), GB16847 (IEC60044-6), and GB1207, and automatically selects the appropriate standard based on the transformer type and level.

4. Based on the advanced low-frequency testing principle, it can handle CT tests with inflection points as high as 45KV.

5. User-friendly and aesthetically pleasing graphical interface.

6. The device can store 2000 sets of test data, which are retained even after power failure. After the test, the data can be saved to a PC via USB flash drive for software analysis and generation of a WORD report.

7. The testing is simple and convenient. One-click completion of CT DC resistance, excitation, transformation ratio, and polarity tests. Furthermore, except for load testing, all other CT tests use the same wiring method.

8. Easy to carry; the device weighs less than 9Kg.

1. Testing Application: Protective CT, Protective PT

2. Output: 0-180Vrms, 12Arms, 36A (peak)

3. CT Turns Ratio Measurement: Range 1-40000, Accuracy ±0.2%

4. PT Turns Ratio Measurement: Range 1-40000, Accuracy ±0.2%

5. Phase Measurement: Accuracy ±5min, Resolution 0.5min

6. Secondary Winding Resistance Measurement: Range 0-300Ω, Accuracy 2%±2mΩ

7. AC Load Measurement: Range 0-1000VA, Accuracy 2%±0.2VA

8. Input Power Supply: AC220V±10%, 50Hz

9. Operating Environment: Temperature: -10°C-50°C, Humidity: ≤90%

10. Dimensions and Weight: Dimensions: 340mm x 180mm x 330mm, Weight <9kg

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