Oxygen Sensor O2 Sensor 1391

[NGK OZA670-EE15 Oxygen Sensor O2 Sensor 1391 ngk oza670-ee15-1391]
When porous electrodes are placed on both sides of a zirconia ceramic, with one side exposed to the atmosphere and the other side to exhaust gas, an electromotive force is generated in proportion 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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