Oxygen sensor O2 sensor 9775

[NGK OZA669-EE1 Oxygen Sensor O2 Sensor 9775 ngk oza669-ee1-9775]
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 in the exhaust gas.
Utilizing this characteristic, it can be applied to control the air-fuel ratio of exhaust gas.
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