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http://dx.doi.org/10.5407/jksv.2022.20.1.045

Development of a portable system for monitoring indoor particulate matter concentration  

Kim, Yoo Jin (Division of Biomedical Engineering, Jeonbuk National University)
Choi, Hyun Seul (Division of Biomedical Engineering, Jeonbuk National University)
Go, Taesik (Division of Biomedical Engineering, Jeonbuk National University)
Publication Information
Journal of the Korean Society of Visualization / v.20, no.1, 2022 , pp. 45-51 More about this Journal
Abstract
Airborne particulate matter(PM) has been a global environmental problem. PM whose diameter is smaller than 10 ㎛ can permeate respiratory organs and has harmful effects on human health. Therefore, PM monitoring systems are necessary for management of PM and prevention of PM-induced negative effects. Conventional PM monitoring techniques are expensive and cumbersome to handle. In the present study, two types of PM monitoring devices were designed for measuring indoor PM concentration, portably. We experimentally investigated the performance of three commercial PM concentration measurement sensors in a closed test chamber. As a result, PM2008 sensor showed the best PM concentration measurement accuracy. Linear regression method was applied to convert PM concentration value acquired from PM2008 sensor into ground truth value. A mobile application(app.) was also created for users to check the PM concentration, easily. The mobile app. also provides safety alarm when the PM10 concentration exceeds 81 ㎛/m3. The developed hand-held system enables the facile monitoring of surrounding air quality.
Keywords
Particulate matter; Monitoring; Mobile app;
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