News & Blog

• 16

  09
  2021
  Inspection of SF6 Gas Density Relay

  SF6 gases are increasingly used in a variety of high-voltage electrical equipment due to their excellent insulation and arcing properties. Become the preferred insulation and arcing medium for today&#...
• 13

  09
  2021
  Basic Knowledge of Density Meter

  A density gauge is a modified pressure gauge with a signal output. The SF6 gas density relay integrates measurement and switching functions. The effect of temperature on SF6 gas density is balanced by...
• 10

  09
  2021
  Operation Technology Principle of SF6 Gas Density Relay

  Ⅰ. Operation technical principle of SF6 relayⅰ. SF6 relay is a SF6 gas package that is connected with SF6 gas in the circuit breaker and sealed on the outside of the big bellows. It is checked with ...
• 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...