Measuring time of DC resistance tester
Measuring DC resistance is an important item in transformer testing. Through measurement, it is possible...
2026
hvhipot Why do I need to perform a megohmmeter test?
When the leakage current exceeds the design limit that the cable cannot withstand, the cable...
Model and specifications of digital megohmmeter
How to choose the model and specifications of the megohmmeter should be based on the...
Operation of zinc oxide arrester tester
The zinc oxide arrester tester is a relatively advanced equipment, which has more functions. When...
Ground resistance test instrument operation
Test Methods: 1. Place the meter in a horizontal position and check whether the pointer...
Zinc oxide arrester leakage current tester
How to use zinc oxide arrester leakage current tester: ⑴ High-frequency output and voltage and...
Electrical insulation failure
The insulation resistance tester is suitable for insulation testing in the maintenance, repair, testing and...
Digital high voltage megohmmeter repair
Digital high-voltage megohmmeter repair and maintenance 1. Choose a megohmmeter that meets the voltage level....
Resistance measured by DC resistance tester
The DC resistance tester has high measurement accuracy and simple operation. It is suitable for...
Types and uses of loop resistance testers
Loop resistance tester, also known as RX transformer loop resistance tester, its types and uses...