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

Accuracy and Air Temperature Dependency of Commercial Low-cost NDIR CO₂Sensors: An Experimental Investigation

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

Technical University of Denmark

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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 language	English
Title of host publication	Proceedings of COBEE2018
Publication date	2018
Pages	203-207
Article number	69
ISBN (Electronic)	978-0-646-98213-7
Publication status	Published - 2018
Event	4th International Conference On Building Energy & Environment - Melbourne, Australia Duration: 5 Feb 2018 → 9 Feb 2018 Conference number: 4

Conference

Conference	4th International Conference On Building Energy & Environment
Number	4
Country/Territory	Australia
City	Melbourne
Period	05/02/2018 → 09/02/2018

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

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.",

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year = "2018",

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AU - Kristensen, J.

AU - Elarga, Hagar

AU - Andersen, R.K.

AU - Midtstraum, A.

N1 - Conference code: 4

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AB - 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.

M3 - Article in proceedings

SP - 203

EP - 207

BT - Proceedings of COBEE2018

T2 - 4th International Conference On Building Energy & Environment

Y2 - 5 February 2018 through 9 February 2018

ER -