5WK9 7348A Nox Sensor 4326769 Nox Nitrogen sensor 

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Part no.: 5WK9 7348A

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.

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.

Details:

Nox sensor installation:

NOx sensor Storage and installation

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