Oxygen sensor O2 sensor 1375

[NGK OZA668-EE18 Oxygen Sensor O2 Sensor 1375 ngk oza668-ee18-1375]
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 in the exhaust gas.
This characteristic can be utilized for air-fuel ratio control of exhaust gas.
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