... HPC-500 car emission gas analyzer The large screen liquid crystal display,(English ) menu With the single, double idle idle HPC-500 car emission gas analyzerMain ... , pressure compensation;With the HC residue measurement, traffic monitoring, gas leak check;The machine has self diagnostic function, fault when ... (length) × 310mm (width) × 170mm (H)Weight:About: 9kg HPC-500 car emission gas analyzer