SV-5Q Gas Analyzer garage equipment 1.HC,CO,CO2,O2,NOx 2.LCD ... screen display 3.measure with LPG, CNG, and gasoline SV-5Q Gas Analyzer garage equipment ... measurement, high endurance and speed. As an Intelligent Equipment, it is equipped with Microprocessor, LCD and ... measuring petrol rotate speed.4.preheat time:10mins5.resolution:CO: 0.01%volHC: 1ppmvolnormal hexane equivalent CO2: ...