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The Transactions P of the Korean Institute of Electrical Engineers

Korean Journal of Air-Conditioning and Refrigeration Engineering

ISO Journal TitleTrans. P of KIEE
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    Korea Citation Index(KCI)

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Title Development of the Electriochemical Type CO_2 Sensor Module using Solid Electrolyte
Authors 정성인(Chung, Sung-In) ; 손종대(Son, Jong-Dae) ; 이세현(Lee, Seo-Hyun) ; 이흥호(Lee, Heung-Ho)
Page pp.191-194
ISSN 1229-800X
Keywords CO_2 Sensor ; EMF ; Electriochemical ; Thermocouple ; High Impedance
Abstract This study focuses on the development of the Electrochemical type CO_2 sensor Module by using solid electrolyte which was first developed in our country. The module applied the creative fundamentals that the voltage state generated from Electro-chemical reaction using new materials is converted into CO_2 ppm. The study verified the accurate of Electromotive Force(EMF) through the experiment using high-impedance opamp(INA332) to measure EMF which ranges from 100mV to 600mV to be outputted from CO_2 sensor, and the small electric current of some nano-ampere(nA)