Exhaust Gas Temperature Sensor The exhaust gas temperature sensor detects exhaust gas temperature for DPF protection as well as DPF regeneration control. DENSO’s small exhaust gas temperature sensor quickly and accurately detects the temperature.

DENSO provides two types - standard type and high-responsive type - in accordance with responsiveness, and five types - ULs, Ls, L, Mh and H - in accordance with ability to detect temperatures ranging from - 40 degrees to 1000 degrees.

DENSO Technology – Leading the World

• In 1975, DENSO introduced the world’s first exhaust gas temperature sensor.
  
• In 1998, DENSO introduced an exhaust gas temperature sensor with the world’s highest responsiveness, enabling a feedback control of the exhaust gas temperature. The exhaust gas temperature sensor also has the world’s smallest sensing part – a more than 90 percent reduction in volume compared to DENSO’s conventional exhaust gas temperature sensor.

Benefits and Features

• Small size and high responsiveness
  
  • DENSO’s processing technique, using finer ceramic particles, produces a small specifically shaped thermistor (sensing element).
    
  • The sensing part, which is inserted into the exhaust pipe with the thermistor, has a single tube structure rather than a double-tube structure like the conventional exhaust gas temperature sensor, achieving a more than 90 percent size reduction in volume compared to the conventional exhaust gas temperature sensor.
    
  • The sensing part and the shaped thermistor enable high responsiveness – less than 7 seconds of 63 percent responding time from room temperature to 1000 degrees Celsius.
    
• High detection accuracy
  
  • The exhaust gas temperature sensor detects temperatures within ±10 degrees of the actual temperature, despite its small size.

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