To Operate Safetyly the Equipments of GIS( Gas Insulated Switchgear) , our manufacturer research and develop the Tesing Instruments: SF6 Purity Analyzer, SF6 Moisture Analyzer, Other Gas( SO2, SOF2, H2s, Co, HF) Analyzer, Portable GIS Partial Discharge Analyzer.etc, All these instruments widely applied in Power Plants or Power Substaion.