... inner faultsof SF6 circuit breaker, instrument transformer,switchgear, GIS (Gas Insulated Substation), bushing,surge arrester, transformer and other SF6 ... product analysis, 2 minutes;Moisture analysis, 3~5 minutes.*Gas flow: Decomposition product test, 200ml+20/min;Moisture test, ... 500ml+50/min*Minimum amount detectable: SO2+SOF2, H2S, HF: ≤ ...