Attention to the problem of the ratio group tester
Power workers need to perform the transformation ratio group test of power transformers during work,...
March 2026
hvhipot Steps to use the switch characteristic tester
The switch characteristic tester can test the mechanical performance of switches such as electromagnetic and...
Operation method of high voltage test transformer
Instructions: 1. Before the power frequency withstand voltage test of the 5KVA high-voltage test transformer...
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...
DC high voltage generator cable withstand voltage
The withstand voltage of the DC high voltage generator is basically the same as the...
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...