Troubleshooting of DC resistance tester
The DC resistance tester is often used in electrical work. This instrument is an ideal...
March 2026
hvhipot What is a dry test transformer?
The dry-type test transformer is a special step-up device dedicated to the AC withstand voltage...
Field test of loop resistance tester
Some common problems in field test of loop resistance tester: 1. The voltage wiring circuit...
Power frequency AC withstand voltage test device
Electrical equipment, like the organs in our body, is crucial for stable operation at critical...
DC high voltage generator test lightning arrester
The DC high voltage generator is a relatively common DC withstand voltage device in the...
Measuring method of loop resistance tester
The loop resistance tester, also known as the contact resistance tester, is mainly used to...
HV test transformer overload operation is harmful
Long-term overload operation is very harmful to the transformer. So what is the harm to...
Calibration method of DC resistance tester
The DC resistance tester includes microprocessor management technology, and the measurement data accuracy requirements will...
Does the grounding system need regular testing?
Have you ever thought about how the power systems we use in our daily lives,...
Switch contact resistance test
Have you ever thought about the roles that seemingly simple circuit breakers and contactors play...