How does the insulation resistance tester work?
Insulation resistance tester tests system for capacitor and current leakage in cables, generators and motors,...
April 2026
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,...
High voltage generator test operation method
Dc high voltage generator is suitable for dc high voltage test of zinc oxide arrester,...
Type of insulation resistance tester
Many hand-held multimeters can’t measure more than 100 megabytes. Usually, it’s 600 megabytes. Insulation resistance...
Dc high voltage generator for use
Dc high voltage generator is an instrument used to provide high voltage DC power supply....
What is a megohm meter
Megometer or megometer is an electrical test instrument designed to test extremely high resistance by...
Use of ground resistance tester
Technical requirements for setting ground resistance tester (1) The ground resistance tester shall be placed...
Megohm meters troubleshoot transformers
Transformer has many shape, size and type, voltage transformer and current transformer, power transformer, audio...
Choose the right insulation resistance tester?
First, we must check good insulation and bad insulation. Good insulation has high resistance and...