Maintenance of transformation ratio group tester
As a transformer measuring tool, the transformer ratio group tester is often used, so the...
2026
Precautions when using partial discharge detector
When a partial discharge is generated under the test voltage, a pulse current is generated...
Description of megohmmeter terminal
The digital megohmmeter has the functions of large-screen LCD gray-white backlight display, data storage, data...
Steps to use circuit breaker tester
The circuit breaker tester can test the mechanical performance of electromagnetic, circuit breaker and other...
Important working principle of insulation tester
Insulation testers, usually called megohmmeters or high resistance meters, are widely used to measure the...
How to maintain the partial discharge tester?
The partial discharge tester is a very precise instrument. In addition to some matters needing...
Operation steps of high voltage test transformer
The voltage test transformer is suitable for conducting insulation strength experiments under power frequency or...
Three-channel DC resistance tester wiring
Electric workers often need to test the DC resistance value of power transformers during their...
The loop resistance tester encountered a problem
It is inevitable that there will be problems in the long-term use of the loop...
How to maintain dry-type transformers
Type transformers mainly rely on air convection cooling equipment. Therefore, it has good heat dissipation...