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Proceedings 2017, 1(4), 422;

Method for Determining the Concentration of Unknown Combustible Gas

LLC “Smartsens”, 140004 Lyubertsy, Moscow Region, Russia
LLC “NTC IGD”, 140004 Lyubertsy, Moscow Region, Russia
“STANKIN”—Moscow State Technological University, 105005 Moscow, Russia
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Author to whom correspondence should be addressed.
Published: 9 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
PDF [441 KB, uploaded 6 September 2017]


It is known that catalytic sensors have different sensitivities to different combustible gases. Usually gas analyzers are calibrated by methane and not suitable for measuring other flammable gases. Correction is needed to get real concentration of other gases. In this paper it is shown that sensor sensitivity to one particular gas alters with sensor temperature and each gas has its own rate of reducing the sensitivity with a further increase of temperature. It allows us to calculate the concentration of unknown flammable gas. Applying this method decreases measurement error from 30–40% to 5–10% for hydrocarbons.
Keywords: explosions; gas detectors; gas measurement; hydrocarbon detection explosions; gas detectors; gas measurement; hydrocarbon detection
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Karelin, A.; Karpov, E.; Baranov, A.; Mironov, S.; Karpova, E. Method for Determining the Concentration of Unknown Combustible Gas. Proceedings 2017, 1, 422.

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