hvhipot Troubleshooting of On-load Switch Tester
1. Check whether the wiring of the test line is correct. 2. When using the...
Operation steps of zinc oxide arrester tester
The zinc oxide arrester tester makes the instrument can be used for on-site online monitoring...
Capacitance and inductance tester usage details
The capacitance and inductance tester is mainly for the measurement of the high-voltage parallel capacitor...
Wiring method of ground resistance tester
Ground resistance testers usually have the following measurement methods: single clamp method, double clamp method,...
How to correctly test the relay protection tester
The microcomputer relay protection tester can be used for differential protection. It contains rich software...
The role of insulation resistance tester
Insulation resistance meters are commonly called megohm meters, or shake meters, high resistance meters, insulation...
Still troubled by cable faults?
Cables are like the “blood vessels” of a city, carrying the heavy responsibility of transporting...
Common problems of using loop resistance tester
1. The voltage wiring circuit is open or poorly connected (the contact resistance is unlimited...
Trouble shooting of variable ratio group tester
The transformation ratio group tester often fails: the indicator light of the ground resistance tester...
Intelligent cable fault tester
In the power system, cables are like “blood vessels” that transport energy. Once a fault...