The PM sensor, is mainly used to monitor the concentration of particulate matter (such as PM2.5, PM10, etc.) in the exhaust gas in the automobile exhaust emission system.
It converts the concentration of particulate matter in the exhaust gas into a measurable electrical signal or digital signal through a specific detection principle, and transmits it to the vehicle's control unit (ECU) in real time, so as to accurately control the exhaust gas treatment system, ensure that the exhaust gas emissions meet environmental protection standards, and improve the environmental performance of the vehicle.