SV-5Q Gas Analyzer garage equipment 1.HC,CO,CO2,O2,NOx 2.LCD ... analysis, directly measure the thickness of HC, CO and CO2 in the exhaust gas of vehicles ... imported machinery cores, boasts the advantages of accuracy measurement, high endurance and speed. As an Intelligent Equipment, it ... measuring petrol rotate speed.4.preheat time:10mins5.resolution:CO: 0.01%volHC: 1ppmvolnormal hexane equivalent CO2: ...