Sulfur hexafluoride gas isGISCommonly used insulation media for power equipment,The purity of sulfur hexafluoride gas has a significant impact on the safe operation of power equipment. Accurately detecting the purity of sulfur hexafluoride gas is of great significance for protecting the safe operation of power equipment and even the entire power grid.

Shanghai Huaai Chromatography Analysis Technology Co., Ltd. participated in the national standardGB/T12022The revision work of "Industrial Sulfur Hexafluoride" has been developed based on the technical indicators of sulfur hexafluoride products specified in the standardGC-9760CPortable sulfur hexafluoride purity chromatographic analyzer，This instrument can complete the injection of sulfur hexafluoride gas with one injectionAir, carbon tetrafluoride, hexafluoroethane, octafluoropropaneComplete analysis of impurity content.

Execution standards:

GB/T12022Industrial sulfur hexafluoride

DL/T 920-2005Gas chromatographic determination of air and carbon tetrafluoride in sulfur hexafluoride gas

Portable sulfur hexafluoride purity chromatographic analyzerTECHNICAL INDEX

• detection limit

• Technical performance:

• Analysis cycle: ＜10min
• Error: ＜3%
• Stable time:<30min
• Work environment:-10～50℃

• Temperature control indicators:

• Temperature control range: above room temperature8℃-400℃
• Temperature control accuracy:±0.1℃
• Detector: at room temperature8℃-400℃ accuracy±0.1℃

• Other parameters: size, weight, power supply

• External dimensions:380×450×180mm
• Weight:<15kg
• Power Supply:220V±22V，50Hz
• Power: ≤800W

• High sensitivity thermal conductivity detector（TCD）

• Adopting a semi diffusive structure
• The power supply adopts constant current control mode
• Rhenium tungsten wire with extremely high sensitivity as a thermistor
• answerH₂，O₂All have sensitive responses.
• Sensitivity:S≧2500mv.ml/mg(Hexadecane)
• Noise:≦15uv
• Linear:≧10⁴