Electric Integrated Comprehensive Sf6 Gas Purity and Decomposition Detector for Sulfur Hexafluoride Circuit Breaker Gis

SF6 gas plays a key role in switchgears and the percentage of gas purity has a direct effect on the switching.

Commercially, SF6 is supplied in pressurized bottles or liquid tanks. The gas of these bottles has a minimum degree of purity of 99.9% and may possess the following impurities according to IEC 60376:

carbon tetrafluoride (CF4) <0.03%
oxygen + nitrogen (air) <0.03%
trace water
CO2 trace

In operation and during electrical failures, pollutants are generated which, depending on its concentration, reactivity and toxicity, modify the characteristics of gas for insulation and arc extinguishing. This may affect the safety of the installation and people. Gas handling operations can also cause the incorporation of pollutants.

For treatment and possible reuse, it is necessary to know the levels of contaminants in the gas. Weshine has 8 years experience specifically for deal with complete range of SF6 Gas Equipment. At present, Weshine has invented various SF6 Analyzers such as:

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