Diesel Nitrogen Oxide (NOx) Sensor

NOx sensors sensors are used for catalyst management in vehicles with gasoline or diesel engines. The NOx sensor consists of a ceramic sensor element and an electronic control unit (ECU).
The NOx sensor measures the NOx concentration, air/fuel ratio (A/F ratio) and equilibrium oxygen partial pressure in the exhaust gas of combustion engines in gasoline or diesel engines.

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  • Stable sensor signal, high accuracy and a long installed life under various application and driving conditions
  • Compatible with multiple vehicle platforms



Measurement Range 0-1500ppm
Accuracy <100ppm:±10[ppm]
≥100 ppm:±10[%]
Exhaust Gas Temperature ≤800°C
Exhaust Pressure ≤2.5bar
Storage Temperature ECU: -40℃-115℃
Unpowered: -40℃-95℃
Power Supply 16~36V
Typical Supply Current 600mA
Maximum Heating Current 20A
Concentration NOx: 0-1500ppm;
Oxygen: 0~21%;
Response Time Ƭ33−66% NOx: 1200ms;
Oxygen: 1000ms;
Light-off Time Nox < 100 s (fresh) ;
O2 < 80s;


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