Q: How does the interference occur during the detection process? Answer: The pipeline locator detects the electromagnetic field generated by the applied signal current on the targe
May 18, 2021
After the flashpoint meter is used for a certain period of time, a certain amount of dust will accumulate inside. The maintenance engineer or under the guidance of the engineer reg
May 17, 2021
Both the coulometric moisture analyzer and the volumetric moisture analyzer are Karl Fischer moisture analyzers; it is the method of measuring moisture proposed by Karl Fischer in
May 12, 2021
Partial discharge can occur in the bubbles, oil film or on the edge of the conductor (electrode) inside the insulating structure, and becomes internal discharge (gas or oil), surfa
There was abnormal movement inside the transformer. The abnormal movement inside the transformer may have the following reasons: severe overload causes a heavy "buzzing"
May 11, 2021
The vacuum oil filter is designed according to the different boiling points of water and oil. It consists of a vacuum heating tank, a fine filter, a preliminary filter, a vacuum pu
May 10, 2021
There are some common defects in the insulation of electrical equipment? In the process of manufacturing, operation, maintenance, installation, storage and transportation, due to v
Apr 29, 2021
In the power system, the DC power supply system is used as a power source for relay protection, automatic devices, control operation loops, etc. It is the basic guarantee for the c
Apr 27, 2021
The measurement of the winding resistance of the transformer winding is a simple and important test item. The purpose is to check the quality of the welding joints of the windings,
May 02, 2021
1. Clean the oil cup The oil cup that has not been used for a long time should be washed with gasoline, benzene or four-recorded carbon before being dried. When washing, use clean
May 01, 2021
A gas chromatograph is generally composed of a carrier gas source (including a pressure regulator and a purifier), a sampler (also called a vaporization chamber), a chromatographic
Apr 17, 2021
Chromatography is a high-efficiency physical separation technology. When it is used in analytical chemistry with appropriate detection methods, it is called chromatographic analysi
Apr 16, 2021