Study on system for extracted type infrared gas analysis

Ruirui Gu; Jun Yao; Wei Li; Wenzhong Li; Shaohua Zhang; Zhe Liu; Qiang Wen

doi:10.1117/12.2205683

3 December 2015 Study on system for extracted type infrared gas analysis

Ruirui Gu, Jun Yao, Wei Li, Wenzhong Li, Shaohua Zhang, Zhe Liu, Qiang Wen

Proceedings Volume 9794, Sixth International Conference on Electronics and Information Engineering; 979408 (2015) https://doi.org/10.1117/12.2205683
Event: Sixth International Conference on Electronics and Information Engineering, 2015, Dalian, China

Abstract

Based on the Beer-Lambert law and the characteristic IR absorption spectrum of CO, a system for extracted type infrared gas analysis has been designed and manufactured, which utilizes different absorptive degrees infrared light gain under different concentration degrees of the gas to be measured to the value of detect CO concentration, including optical path, electric circuit and gas path. A forward and backward gas detection chamber equipped with a micro flow sensor has been used in the optical path as well as a multistage high precision amplifier and filter circuit has been used in the electric circuit. The experimental results accord with the testing standard.

Citation Download Citation

Ruirui Gu, Jun Yao, Wei Li, Wenzhong Li, Shaohua Zhang, Zhe Liu, and Qiang Wen "Study on system for extracted type infrared gas analysis", Proc. SPIE 9794, Sixth International Conference on Electronics and Information Engineering, 979408 (3 December 2015); https://doi.org/10.1117/12.2205683

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