Oxygen Sensor O2 Sensor 9811

[NGK OZA669-EE4 Oxygen Sensor O2 Sensor 9811 ngk oza669-ee4-9811]
When porous electrodes are placed on both sides of a zirconia ceramic, with one side exposed to the atmosphere and the other to exhaust gas, an electromotive force is generated according to the oxygen concentration on the exhaust gas side.
This characteristic can be utilized for air-fuel ratio control of exhaust gas.
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