NDLI: Study on effect of temperature and humidity on the CO2 concentration measurement

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Study on effect of temperature and humidity on the CO2 concentration measurement

Content Provider	Scilit
Author	Liu, Yuliang Ni, Xiang Wu, Yuanxi Zhang, Wei
Copyright Year	2017
Description	Journal: Iop Conference Series: Earth and Environmental Science In the application of non dispersive infrared (NDIR) carbon dioxide (CO2) concentration measurement, we need avoid the interference factors (such as temperature, pressure, gas, fluctuation of the light source and dust pollution etc.). In the past experiments only single factor, such as temperature, is often emphasized to the influence on the measurement results, without considering the effect of multiple factors. In order to study the change of gas concentration with measurement parameters, we constructs a CO2 detecting device with a BM530 gas detecting module, TMD10 temperature and humidity sensor. The experimental results show that: there is a correlation between the two interference factors: temperature and humidity. With the decreasing temperature, gas concentration measurement value decreases too. In developing process of instruments, we can make correction of the concentration- temperature instead of that of the measurement results under different temperature and humidity conditions.
Related Links	http://iopscience.iop.org/article/10.1088/1755-1315/81/1/012083/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/81/1/012083
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	81
Language	English
Publisher	IOP Publishing
Publisher Date	2017-08-04
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Concentration Measurement Temperature and Humidity
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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