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KDHG-B CT/PT Ratio & Polarity Tester
KDHG-B CT/PT Ratio & Polarity Tester

KDHG-B CT/PT Ratio & Polarity Tester

Applications:

Designed for field testing of current transformers (CTs) and voltage transformers (PTs) in substations, power plants, and industrial facilities. Ideal for commissioning, routine maintenance, and troubleshooting, it can be used to verify turns ratio and polarity accuracy. Compact and battery-powered, this instrument can quickly measure CTs up to 50,000 A and PTs up to 1000 kV, ensuring accurate metering and protection operation without the need for an external power supply.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

KDHG-B is a professional CT/PT turns ratio and polarity tester equipped with an intuitive 8.6-inch true-color touchscreen. Powered by a high-capacity lithium battery, it provides up to 12 hours of field use and utilizes sophisticated DSP calculations for high-speed, accurate measurements. The redesigned interface simplifies wiring with only four terminals, while advanced anti-interference circuitry ensures reliable measurement results even in complex electromagnetic environments.

Features:

1. The 8.6-inch true-color touchscreen design completely eliminates the problems associated with traditional keyboards;
2. Precision DSP computing improves measurement speed and accuracy while reducing overall testing costs;
3. A high-capacity rechargeable lithium battery supports up to 12 hours of operation without AC power;
4. Integrated circuit design reduces weight and makes it easy to carry;
5. A simple interface design, along with a clear wiring diagram, facilitates connection.

Parameter:

1. Primary current range: 1-50000A
2. Secondary current range: 5A, 1A
3. Primary voltage range: 100-1000KV
4. Secondary voltage range: 100V, 100/√ 3V, 100/3V, 150V, 220V, 380V, 400V.
5. Working environment: Temperature range of 0 to+40 ° C
Humidity less than 85% without condensation
6. Dimensions: 300 × 240 × 140mm3
7. Weight: 5kg