The product is an ideal product for the renewal of DC single and double Arm Bridge.

It has the advantages such as high measuring speed, good reliability, high precision, visual....

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....

Product characteristics
The device use the magnetic control discharging method to test the vacuum degree of arc extinguish chamber, it has the advantages such as convenient to use....

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....

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....

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....

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....