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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Development of Oxygen Sensor for the Oxygen Concentration Measuring of Air-fuel Ratio Measuring System

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.6, pp.472-477
Lee, Jin-Hui
Choi, Ko-Yeol
Jang, Hyang-Dong
Kim, Yang-Soo
Cho, Dong-Hoe
Park, Myon-Yong
Chung, Koo-Chun
Cho, Jin-Weon
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Abstract

It was developed the oxygen sensor of air-fuel ratio measuring system that was controlled the needed air amounts in optimum combustion according to the analysis of oxygen concentration of exhaust gas. The oxygen sensor was prepared by using gold as cathode, which the detection range for the oxygen concentration was from 0.0% to 30.0%. Response time was observed 15 to 20 sec. rapidly and selectively. It was appeared a good result in reproducibility and stability.

keywords
hydrophobic membrane, gold cathode, electrolyte


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