What is the use of the relay protection tester?
The relay protection tester can complete most of the field test verification work, and can...
Technical Guide
DC high voltage generator polarity conversion
There is a very popular power test instrument in the mining, metallurgy, steel, and power...
DC withstand voltage test negative polarity press?
Regarding the issue of using negative voltage to do the DC withstand voltage test on...
Common methods for testing ground resistance
The grounding resistance tester is not only powerful, but also capable of coping with various...
Wiring method of insulation resistance meter
①Measure the insulation resistance of the lighting or power lines to the ground, the E...
Grounding resistance tester single point grounding
Method for measuring single-point grounding with a clamp-on ground resistance tester: A major breakthrough in...
Electrical equipment high voltage test knowledge
In order to prevent damage or accidents of high-voltage electrical equipment during operation, to ensure...
Reasons for inaccurate ground resistance test
The reasons for the inaccurate ground resistance test in lightning protection detection and the treatment...
Prevent poor contact of test transformer
The test transformer is the basic test equipment used for AC withstand voltage test by...
Grounding resistance measurement range
Ground resistance measurement methods usually have the following types: two-wire method, three-wire method, fHV Hipot...