... ) menu With the single, double idle idle HPC-500 car emission gas analyzerMain Features:The large screen liquid crystal display ... ;The use of German imports of infrared detector, O2and NOX sensor, vibration resistance, good stability, high precision;The measurement of ... CO, HC, CO2for O2, NOX, COcor, concentration and the lambda value, speed, temperature, flow, pressure;With the single, double idle ...