Articles | Volume 13, issue 5
https://doi.org/10.5194/amt-13-2413-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-2413-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Laboratory evaluation of particle-size selectivity of optical low-cost particulate matter sensors
Atmospheric Composition Research, Finnish Meteorological Institute,
Helsinki, 00560, Finland
Timo Mäkelä
Climate System Research, Finnish Meteorological Institute, Helsinki,
00560, Finland
Minna Aurela
Atmospheric Composition Research, Finnish Meteorological Institute,
Helsinki, 00560, Finland
Kimmo Teinilä
Atmospheric Composition Research, Finnish Meteorological Institute,
Helsinki, 00560, Finland
Samu Varjonen
Department of Computer Science, University of Helsinki, Helsinki,
00560, Finland
Óscar González
Fab Lab Barcelona, Institute of Advanced Architecture of Catalonia,
Barcelona, 08005, Spain
Hilkka Timonen
Atmospheric Composition Research, Finnish Meteorological Institute,
Helsinki, 00560, Finland
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Latest update: 27 Mar 2023
Short summary
Particle-size-dependent detection ranges of low-cost particulate matter sensors were evaluated in a laboratory experiment. Six different sensor models were evaluated altogether. The results showed that none of the sensor models adhered to the technical specifications provided by the manufacturers, and thus a high risk of sensor misuse is posed. It is paramount that the limitations regarding the particle size discrimination of low-cost sensors are acknowledged properly.
Particle-size-dependent detection ranges of low-cost particulate matter sensors were evaluated...