... of SO2+SOF2, H2S, CO and HF .... from GIS The gas analyzer for GISis a precision, ... way based on detection of content of main products from the cracking of insulation materials inside the equipment ... detect SO2+ SOF2, H2S,CO, HF decomposition products and also able to carry out the dew- ... and conducive to environment protection Detection of decomposition products is carried out with test flowrate of 100ml ...