Three-channel DC resistance tester wiring
Electric workers often need to test the DC resistance value of power transformers during their...
March 2026
Working principle of contact resistance tester
The switch circuit contact resistance tester is a product independently developed and produced by HV...
Operation problems of zinc oxide arrester tester
1. The main problems in the operation of zinc oxide arresters 1. Because the zinc...
Precautions for transformation ratio tester
Precautions for automatic transformation ratio tester 1. During the measurement period, people should never touch...
Advantages of high-voltage test transformers
Advantages of high-voltage test transformers: (1) High voltage: The primary voltage of the high-voltage test...
Precautions for high-voltage test transformers
Precautions for high-voltage test transformers: 1. Connect the working circuit according to HV Hipot Electric...
Common faults of circuit breaker tester
The circuit breaker tester is widely used in the related applications of calibrating and detecting...
Precautions for Partial Discharge Detector Test
The partial discharge detector is a new type of instrument developed and produced. The instrument...
Safety measures for test transformer test
In recent years, power safety accidents of high-voltage test transformers have been more frequent, so...
How to use the test transformer
How to use the test transformer 1 Connect the working wire according to the wiring...