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A practical solution for accurate studies of NDIR gas sensor pressure dependence. Lab test bench, software and calculation algorithm

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Author list: Gaynullin, Bakhram;Hummelgård, Christine

Publisher: IEEE

Place: Orlando, FL, USA

Publication year: 2016

ISBN: 978-1-4799-8287-5

DOI: http://dx.doi.org/10.1109/ICSENS.2016.7808828


Abstract

This paper presents a lab test system for studying pressure dependence of NDIR gas sensors in accuracy demanding applications. The test system consists of a hardware test bench, user software (LabVIEW based) and a calculation algorithm. The lab test bench provides highly accurate test environment for collecting characterization data. The software and the calculation algorithm process the data to derive accurate compensation parameters for each specific design of NDIR sensors. The compensation parameters are used to normalize the measured concentration to the values valid for standard atmospheric pressure.


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