How to use the relay protection tester?
As one of the tools commonly used by electric power workers, the relay protection tester...
March 2026
hvhipot Use of loop resistance tester
What should be paid attention to when using the loop resistance tester? 1. The case...
How to maintain the partial discharge tester
The partial discharge tester is a very precise instrument. In addition to some matters needing...
General problems of circuit breaker tester
Routine problems and treatment of circuit breaker tester (1) The switch does not act during...
Use of zinc oxide arrester tester
The zinc oxide surge arrester tester is the equipment for the field test of the...
Lightning protection grounding test method
1. Test method for lightning protection and grounding Detect the grounding resistance of lightning rods,...
How to use megohmmeter
The working principle of the megohmmeter is that the DC high voltage generated by the...
High-voltage test transformer short-circuit damage
Common parts of high-voltage test transformer short-circuit damage Corresponds to the part under the iron...
Insulation resistance test related issues
Problems related to insulation resistance test of high voltage equipment one. Why is electricity the...
Three common problems of loop resistance tester
Three common problems and solutions for loop resistance testers 1. The loop resistance tester usually...