Why measure three-phase DC resistance
The term ‘three-phase DC resistance testing’ may sound a bit professional, but it is a...
2026
Daily maintenance of pd tester
1. The moisture In humid climates or wet seasons, if the partial discharge tester is...
The function of zinc oxide arrester charge tester
The zinc oxide arrester charge tester has the following functions Zinc oxide lightning arrester live...
Storage of insulation resistance tester
Insulation resistance tester is often called pointer megohm meter, which is widely used to measure...
High voltage generator test operation method
Dc high voltage generator is suitable for dc high voltage test of zinc oxide arrester,...
Top 5 questions about ground testing
1. What does the word “ground” mean? The exact definition can be obtained from the...
How does the insulation resistance tester work?
Insulation resistance tester tests system for capacitor and current leakage in cables, generators and motors,...
Circuit principle of relay protection tester
Circuit principle of relay protection tester 1, input AC220V power output control relay K1 is...
Measurement method of ground resistance tester
There are many factors that can influence of grounding resistance: grounding pole size, length, thickness,...
Type of insulation resistance tester
Many hand-held multimeters can’t measure more than 100 megabytes. Usually, it’s 600 megabytes. Insulation resistance...