Maintenance knowledge of relay protection tester
The internal part of the relay protection tester is electronic circuit, easy to be interfered...
Why insulation resistance testing?
Insulation begins to age as soon as it is made. With the passage of time,...
Troubleshoot insulation resistance
Safety is critical in testing and troubleshooting. Because the insulation resistance tester generates a large...
Why megohm meter testing?
The insulation resistance quality of electrical systems decreases with time and environmental conditions (such as...
What is contact resistance
Contact resistance refers to the resistance of current flow due to surface conditions and other...
Digital megohm meter measurement
1. Transfer the dial to v. Some digital megohm meters (DMM) also include mv. If...
Notes for transformer dc resistance tester
Dc resistance test of transformer windings is an indispensable test item after transformer handover, maintenance...
Circuit Breaker Analyzer
Electric high voltage switch, also known as circuit breaker, is a commonly used high voltage...
Can using megabytes be destructive?
Megohm meter (insulation resistance tester) is a type of electrical testing equipment used to verify...
The principle of partial discharge detector
Believe that everyone should know, electrical equipment in the production of partial discharge will generate...