Accuracy and Air Temperature Dependency of Commercial Low-cost NDIR CO2 Sensors: An Experimental Investigation

J. Petersen, J. Kristensen, Hagar Elarga, R.K. Andersen, A. Midtstraum

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Abstract

An experimental campaign investigated the dependency of air temperature on the CO2 concentration accuracy for commercial low-cost NDIR CO2 sensors from the manufacturers Netatmo and IC-Meter. The test was conducted under different temperatures and CO2 concentrations based on steady state conditions. Highly accurate instruments were employed to obtain reference temperatures and CO2 concentrations. The IC-Meter modules were vaguely influenced by temperature, resulting in no significant difference compared to the reference concentration values. However, the Netatmo station modules were found to be positively temperature dependent.
Original languageEnglish
Title of host publicationProceedings of COBEE2018
Publication date2018
Pages203-207
Article number69
ISBN (Electronic)978-0-646-98213-7
Publication statusPublished - 2018
Event4th International Conference On Building Energy & Environment - Melbourne, Australia
Duration: 5 Feb 20189 Feb 2018
Conference number: 4

Conference

Conference4th International Conference On Building Energy & Environment
Number4
CountryAustralia
CityMelbourne
Period05/02/201809/02/2018

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