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Measurement Voltage ratio
Measurement Winding Resistance
Insulation Resistance Test
Polarization index test

In the beginning, we have to know that there is a similarity between the tests that are performed on AIS stations and the tests that are performed ...

To prolong the life of electrical systems and motors, regular insulation resistance testing is required.

Qingdao Metro Group purchases equipments from HUAYI for operation safety inspection.

The circuit breaker tester is suitable for various types of circuit breaker overload protection tests and relay overcurrent tests.

High precision, there is a module inside which allows you to directly read the short-term current of the tester and store these data in the module.

It can accurately measure the capacity of various distribution transformers, which is convenient and accurate.

Transformer tester is an instrument specially used to measure the capacity of transformers, and can also measure the characteristic parameters of t...

The operator should place insulating rubber pads under his feet and wear insulating gloves to prevent life-threatening hazards caused by high-volta...

The operator's seat and feet must be covered with rubber insulating pads. Only when the test light is off and there is no high-voltage output can t...

Connect one end of the 0.7MΩ standard resistor to the ground wire of the withstand voltage instrument.

It is composed of a voltage regulating transformer, a step-up transformer and a power on and off switch for the step-up part.