News & Blog

• 29

  09
  2022
  Storage Transportation and FAQ of SF6 Density Relay Calibrator

  SF6 relay calibrator adopts high-performance 16-bit single-chip computer for detection and control, with a high degree of integration. The integrated design of electromechanics, high precision, good r...
• 22

  09
  2022
  Basic Introduction and Calibration of SF6 Relay

  SF6 gas has a history of one hundred years, it was synthesized by two French chemists Moissan and Lebeau in 1900 as an artificial inert gas, around 1940, the U.S. military used it in the Manhattan Pro...
• 15

  09
  2022
  Structure of SF6 Gas Density Meter and Density Relay

  SF6 circuit breaker as a new type of high-voltage electrical switchgear developed in recent times, with its superior performance, safety and reliability, easy maintenance and long service life, has be...
• 08

  09
  2022
  The Effect of Temperature Difference on Density Relays and Regular Calibration of SF6 Relays

  Ⅰ. Temperature difference on the SF6 relay reading deviation impact problem1. The temperature value T body at the switch body and the temperature value T relay at the installation of density relay ar...
• 01

  09
  2022
  SF6 Gas Density Meter in Relation to Temperature and Altitude

  SF6 gas density meter shows the density of SF6 gas in the gas chamber of electrical equipment, which is expressed as the pressure of SF6 gas after temperature compensation, i.e. as the pressure value ...
• 25

  08
  2022
  Structure Principle of SF6 Relay and Temperature Compensation Principle

  The symbol of density is expressed by ρ, and the unit symbol is kg/m3 or g/L. According to the definition of density, the indication value of SF6 gas density metre should be the unit of density. Acco...
• 22

  08
  2022
  The Effect of Temperature on SF6 Gas Density Relays and Precautions in Operation

  Ⅰ. Specific analysis of the impact of sunlight radiation on SF6 relaysDue to the strong sunlight radiation makes the density relay metal shell temperature is much higher than the ambient temperature,...