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A gas sensor system for harsh environment applications
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Gardner, J. W., Wei, G., Vincent, Timothy A., Volans, K., Tremlett, P., Wotherspoon, T. and Dyer, David (2015) A gas sensor system for harsh environment applications. Procedia Engineering, 120 . pp. 275-278. doi:10.1016/j.proeng.2015.08.608 ISSN 1877-7058.
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Official URL: http://dx.doi.org/10.1016/j.proeng.2015.08.608
Abstract
A novel low power, miniature gas sensor measuring system is presented for application in harsh environmental conditions, i.e. to detect carbon monoxide and oxygen at temperatures of up to +225oC and high relative humidities up to 95%. The gas sensors are fabricated using SOI high temperature technology and two full custom ASICs are embedded into a high-temperature circuit board interfaced to a low-cost general purpose microcontroller. The sensor system has been developed for a CO concentration range of 0 to 300 ppm, O2 concentration range of 0 to 21%, and monitors the humidity and temperature of the gas, as well as operating temperatures of micro-heaters within the two MOX gas sensors. Feedback control is built into the program of the micro-controller to compensate for temperature dependence of gas sensors. Preliminary experiments show promising results for the intended application within domestic boilers.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Carbon monoxide detectors | ||||
| Journal or Publication Title: | Procedia Engineering | ||||
| Publisher: | Elsevier | ||||
| ISSN: | 1877-7058 | ||||
| Official Date: | 11 September 2015 | ||||
| Dates: |
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| Volume: | 120 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 275-278 | ||||
| DOI: | 10.1016/j.proeng.2015.08.608 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||
| Date of first compliant deposit: | 15 February 2016 | ||||
| Date of first compliant Open Access: | 15 February 2016 | ||||
| Funder: | Seventh Framework Programme (European Commission) (FP7) |
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