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
    Country/TerritoryAustralia
    CityMelbourne
    Period05/02/201809/02/2018

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