... instrument can rapidly detect SO2+ SOF2, H2S, CO, HF decomposition products and also able to carry out the dew-point test. ... SOF2, H2S, CO and HF if SF6 circuit breaker, instrument transformer, GIS and transformer inside the electrical equipment happen ... detector is able to carry out the dew-point test at the same time so as to provide the ... diagnose, SF6 live steam quality monitor and toxicity test.