5WK9 7401 Nox Sensor 2294291 Nox Nitrogen sensor

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Part no.: 5WK9 7401

Voltage: 24V

Product describe: The NOx sensor consists of a ceramic sensor element and an electronic control unit And used for catalyst management in vehicles with gasoline or diesel engines

Function:

A ceramic sensor made of zirconia electrolyte measures in amperometric operation (chapter
6.1) the oxygen concentration entering from exhaust gas through a diffusion barrier into a first
cavity. The oxygen concentration inside the cavity control to the constant concentration
of a few ppm NOx. Other components of the exhaust gas also entering the cavity as HC, CO
and H2  oxidiz  at the pumping electrode made of Pt.

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