Oxygen sensor O2 sensor 1388

[NGK OZA670-EE12 Oxygen Sensor O2 Sensor 1388 ngk oza670-ee12-1388]
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 controlling the air-fuel ratio of exhaust gas.
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