... .0 10-2 (%) HC: 0~10000 10 -6 (ppm) O2: 0~25.0 10-2 (%) NO: 0~40000 10 -6 ... (ppm)Response TimeCO,HC,CO2≤10s, NO,O2≤15sIndication ErrorCO: ±5%(relative error:0~10%) CO2: ±5 ... : ±5%(relative error:0~4000ppm)±10%(relative error:4001~10000ppm)O2: ±5%(relative error: 0~25%) NO: ±4%(relative error ... . Used to measure the concentration of HC,CO,CO2,O2,NO(4Q without NO)in the Automobile Exhaust Gas.2 ...