Oxygen Sensor O2 Sensor 9397

[NGK OZA670-EE9 Oxygen Sensor O2 Sensor 9397 ngk oza670-ee9-9397]
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 applied to air-fuel ratio control of exhaust gas.
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