Optical particulate matter sensors in PM2.5 measurements in atmospheric air

Autor: Badura Marek, Batog Piotr, Drzeniecka-Osiadacz Anetta, Modzel Piotr
Jazyk: English<br />French
Rok vydání: 2018
Předmět:
Zdroj: E3S Web of Conferences, Vol 44, p 00006 (2018)
Druh dokumentu: article
ISSN: 2267-1242
DOI: 10.1051/e3sconf/20184400006
Popis: Monitoring systems are needed to obtain information about particulate matter (PM) concentrations and to make such information accessible to the public. Small, low-cost, optical sensors could be used to improve the spatial and temporal resolution of PM data. The paper presents results of collocated comparison of four low-cost PM sensors and TEOM analyser, conducted from 20-08-2017 to 24-12-2017 in Wrocław, Poland. Plantower PMS7003 and Nova Fitness SDS011 sensors proved to be the best in terms of precision and were linearly correlated with TEOM data. Alphasense OPC-N2 sensors exhibited only moderate precision and linearity. Winsen ZH03A sensors had low repeatability between units and only one copy demonstrated good operation possibilities. All tested sensors had a bias in relation to PM2.5 concentrations obtained from TEOM.
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