CO2 Meter: A do-it-yourself carbon dioxide measuring device for the classroom. Dey, T., Elsen, I., Ferrein, A., Frauenrath, T., Reke, M., & Schiffer, S. In Proceedings of the 14th PErvasive Technologies Related to Assistive Environments Conference, of PETRA '21, pages 292–299, New York, NY, USA, 2021. Association for Computing Machinery.
CO2 Meter: A do-it-yourself carbon dioxide measuring device for the classroom [link]Paper  CO2 Meter: A do-it-yourself carbon dioxide measuring device for the classroom [link]Acm dl  doi  abstract   bibtex   
In this paper we report on CO2 Meter, a do-it-yourself carbon dioxide measuring device for the classroom. Part of the current measures for dealing with the SARS-CoV-2 pandemic is proper ventilation in indoor settings. This is especially important in schools with students coming back to the classroom even with high incidents rates. Static ventilation patterns do not consider the individual situation for a particular class. Influencing factors like the type of activity, the physical structure or the room occupancy are not incorporated. Also, existing devices are rather expensive and often provide only limited information and only locally without any networking. This leaves the potential of analysing the situation across different settings untapped. Carbon dioxide level can be used as an indicator of air quality, in general, and of aerosol load in particular. Since, according to the latest findings, SARS-CoV-2 can be transmitted primarily in the form of aerosols, carbon dioxide may be used as a proxy for the risk of a virus infection. Hence, schools could improve the indoor air quality and potentially reduce the infection risk if they actually had measuring devices available in the classroom. Our device supports schools in ventilation and it allows for collecting data over the Internet to enable a detailed data analysis and model generation. First deployments in schools at different levels were received very positively. A pilot installation with a larger data collection and analysis is underway.
@inproceedings{Dey:etAl_PETRA2021_CO2Meter,
  author       = {Dey, Thomas and Elsen, Ingo and Ferrein, Alexander and Frauenrath, Tobias and Reke, Michael and Schiffer, Stefan},
  title        = {{CO2 Meter}: A do-it-yourself carbon dioxide measuring device for the classroom},
  booktitle    = {Proceedings of the 14th PErvasive Technologies Related to Assistive Environments Conference},
  pages        = {292--299},
  numpages     = {8},
  keywords     = {sensor networks, information systems, embedded hardware, education, do-it-yourself},
  location     = {Corfu, Greece},
  series       = {PETRA '21},
  year         = {2021},
  isbn         = {9781450387927},
  publisher    = {Association for Computing Machinery},
  address      = {New York, NY, USA},
  url          = {https://doi.org/10.1145/3453892.3462697},
  url_ACM_DL   = {https://dl.acm.org/doi/abs/10.1145/3453892.3462697},
  doi          = {10.1145/3453892.3462697},
  abstract     = {In this paper we report on CO2 Meter, a
                  do-it-yourself carbon dioxide measuring device for
                  the classroom. Part of the current measures for
                  dealing with the SARS-CoV-2 pandemic is proper
                  ventilation in indoor settings. This is especially
                  important in schools with students coming back to
                  the classroom even with high incidents rates. Static
                  ventilation patterns do not consider the individual
                  situation for a particular class. Influencing
                  factors like the type of activity, the physical
                  structure or the room occupancy are not
                  incorporated. Also, existing devices are rather
                  expensive and often provide only limited information
                  and only locally without any networking. This leaves
                  the potential of analysing the situation across
                  different settings untapped. Carbon dioxide level
                  can be used as an indicator of air quality, in
                  general, and of aerosol load in particular. Since,
                  according to the latest findings, SARS-CoV-2 can be
                  transmitted primarily in the form of aerosols,
                  carbon dioxide may be used as a proxy for the risk
                  of a virus infection. Hence, schools could improve
                  the indoor air quality and potentially reduce the
                  infection risk if they actually had measuring
                  devices available in the classroom. Our device
                  supports schools in ventilation and it allows for
                  collecting data over the Internet to enable a
                  detailed data analysis and model generation. First
                  deployments in schools at different levels were
                  received very positively. A pilot installation with
                  a larger data collection and analysis is underway.},
}

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