How to measure ground resistance
There are two important parameters in the grounding device: 1. Grounding resistance value; 2. Grounding...
How does DC resistance tester measure loop
The constant current series resonance circuit is mainly composed of a sampling circuit and a...
How to distinguish test transformer
There are five types of test transformers according to medium or structure: oil-immersed test transformer,...
Research background of DC resistance tester
Small resistance can be seen everywhere in various electrical equipment, such as the contact resistance...
The necessity of battery internal resistance test
The internal resistance is currently recognized as the most effective and most convenient performance parameter...
Usage of clamp type earth resistance tester
There are many ways to use the clamp-type grounding resistance tester. How to use the...
Switchgear partial discharge detection method
Partial discharge analysis technology Specifically, commonly used partial discharge analysis technologies include the following: First,...
How to use megohm meter correctly
Megohmmeter is also called shaking table or insulation resistance tester. It is a simple and...
Dc high voltage generator operating instructions
Dc high voltage generator is an instrument providing high voltage DC series resonance. The instrument...
What are the pitfalls of megohm meter operation?
Abstract: For the measurement of the insulation value of a 10kV transformer, ZC series portable...