News & Blog

• 07

  09
  2021
  How to Test SF6 Relay？

  Ⅰ. Necessity of SF6 relay testIn the power system, SF6 relay is a widely used protection and control component. Its role is to monitor the SF6 gas pressure in closed gas chamber such as high voltage ...
• 04

  09
  2021
  Why Do SF6 Appliances Use Gas Density Relays Instead of Ordinary Pressure Gauges

  Ⅰ. Introduction of SF6 gas densityDensity refers to the mass per unit volume of a particular substance under a particular condition. SF6 gas in SF6 appliances is sealed in a fixed container. At the r...
• 01

  09
  2021
  Function Features of SF6 Relay Calibrator

  Ⅰ. SF6 relay calibrator The main function of SF6 relay is to monitor the change of SF6 gas density in SF6 switch body during operation, so as to provide judgment on whether the operation of SF6 switc...
• 22

  07
  2021
  How to Read the Vacuum Pressure Gauge?

  1. Overview of vacuum pressure gaugeThe vacuum pressure gauge is an instrument used for vacuum pressure measurement. It uses atmospheric pressure as a reference and is an instrument used to measure le...
• 19

  07
  2021
  SF6 Density Meter Ensures the Safe Operation of Electrical Equipment

  1. What is SF6 gas density?The value of SF6 gas density is expressed by the pressure after temperature compensation of SF6 gas, that is to be expressed as a standard pressure value when it is 20°C.2....
• 16

  07
  2021
  Precautions for Vacuum Pressure Gauge

  1. The function of vacuum pressure gaugeThe vacuum pressure gauge is suitable for measuring the pressure of liquid, steam, gas and other media that are non-explosive, non-crystallized, non-solidified,...
• 13

  07
  2021
  Working Principle of SF6 Gas Density Meter

  SF6 gas has become an insulating and arc extinguishing medium with its excellent electrical and physical and chemical properties, and is widely used in the field of power transmission and transformati...