... , good stability, high precision;The measurement of CO, HC, CO2for O2, NOX, COcor, concentration and the lambda value, speed, temperature, flow ... :0~10×10-2(%)volCO2:0~20×10-2(%)vol O2:0~25×10-2(%)volNOx:0~5000×10-6(ppm ... .5×10-2 (%) vol (absolute error)or± 5% (relative error)O2 ±0.1×10-2(%) vol (absolute error)or± 5% (relative ... :0.01×10-2(%) volCO2:0.1×10-2(%) vol O2:0.01×10-2(%) volNOx:1×10-6(ppm)vol ...