1.Automotive Emission Analyzer (5-gas/portable ) 2.Automatic calculation and display ... Emission Analyzer (5-gas/portable )Main Features and Specifications1.Measure concentration of HC, CO, CO2,O2 and ... ) analysis technology is used to measure HC, CO, CO2 and the newest generation of electrochemical technology ... of measurement data storage , which includes HC ,CO, CO, NO, N, and T.6.Saving measurement ...