Applied Sensing Technologies offers electrochemical oxygen sensors tailored specifically to measure oxygen in automotive exhaust. Oxygen concentration in the exhaust determines the efficiency of the combustion. These sensors are extensively used in smog-test equipment. Electrochemical oxygen sensors employ unique electrolyte composition and the material of the sensing element. The combination of electrolyte composition and the material of the sensing element makes the senor tolerant to high levels of carbon dioxide in the exhaust. Standard electrochemical sensors are severely affected by the presence of carbon dioxide and lead to early sensor failure. AST offers replacement to Teledyne Class R-17A, R21A and R-22, Envitec OOA-101, OOA-101-1, City AO2, AO3 and other manufacturers.

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