Varistor and lightning protection resistance
The lightning protection standard resistance is used for the calibration of grounding resistance testers, equipotential...
Test method of battery charge and discharge tester
Discharge test procedure of battery tester: (1) Fully charge the battery first. (2) Adjust the...
Phase voltammeter measurement steps
Using a digital double clamp phase voltammeter for resistance measurement requires a few simple steps:...
Reasons for the change of insulation value
Modern life is changing with each passing day, and people cannot do without electricity for...
The main function of the DC resistance tester
The main function of the DC resistance tester. The DC resistance tester determines the welding...
Wiring instructions for relay protection tester
The relay protection tester is connected to a 220V AC power supply, and the grounding...
Transformer coil DC resistance test
After measurement, it can be checked whether the conductive circuit of the equipment has defects...
Five advantages of zinc oxide arrester tester
1. Large flow capacity: This is mainly reflected in the ability of lightning arresters to...
Live test method of zinc oxide arrester tester
With the development of science and technology, the live measurement of zinc oxide arresters has...
Instructions for use of DC high voltage generator
The DC high-voltage generator adopts a high-frequency voltage doubler circuit, applied PWM high-frequency pulse width...