Dry-type transformer core needs to be grounded
Dry-type transformers are a relatively important type of electrical appliances. For dry-type transformers, due to...
Technical Guide
Points to note when using DC resistance tester
The DC resistance tester adopts advanced single-chip control technology, screen display, and Chinese operation interface....
Tips for using circuit breaker tester
1. Connection The specific wiring of the verification device of the circuit breaker tester: the...
How to use zinc oxide arrester tester skillfully
In the process of long-term use of zinc oxide arresters, the insulation aging phenomenon often...
Maintenance and repair of relay protection tester
The relay protection tester is suitable for the opening and closing time measurement of single-circuit...
Fault diagnosis of relay protection tester
There are several methods for fault diagnosis of the microcomputer relay protection tester: 1. Probability...
Terminology of insulation resistance tester
An electrical system is like a pipe system. Voltage is like liquid pressure, current is...
Interference problem of partial discharge tester
How to eliminate the interference problem in the partial discharge tester test (1) External interference...
Operation precautions of DC resistance tester
In the measurement process of the DC resistance tester, in addition to strictly complying with...
How to use withstand voltage tester safely
At present, the reliable pressure tester may cause certain risks to the operator due to...