What's a NOx Sensor?

 

27th Oct. 2022

The NOx Sensor is installed upstream or downstream of SCR catalyst, and used to measure and report the NOx & O2 concentration from vehicle exhaust gas or other environment. It‘s available for vehicles with gasoline or diesel engines, as well as on board diagnostics systems(OBD), etc. The NOx sensor consists of a sensor probe and an electronic control unit(ECU).