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1. Circuit Resistance Tester

It adopts high precision constant current switch power and advanced four terminal adjustment to test the switch and control equipment.

It is suitable to be used in the circuit resistance test of various high and low pressure tests; It is ...

2. Thermal Relay Check Meter

Product characteristics
It is designed according to the DL/T623-1999 procedure and actual site demand, the output current is large, the precision is high, the performance is stable and the operation is easy, it is suitable to be used in the ...

3. Relay Protection Tester

Product characteristics
The machine is suitable to be used in the adjustment and test of power supply system relaying protection tester, it has the characteristics of highprecision, full function, stable performance, easy operation and flexible ...

4. Fully Automatic Insulation Oil Tester

YJJ series fully automatic oil tester is designed as per the requirement of IEC165 Testing Method of Insulation Oil Medium Strength, which via proper programming, has got functions of auto boosting, step down, stirring, display and print out. ...

5. Volt-Ampere Transformation Ratio Polarity Comprehensive Tester

One machine, multipurpose
It has strong function; A single machine can finish the volt-ampere feature data test, volt-ampere feature curve drafting, current instrument transformer transformation ratio test and polarity test.

Easy operation ...