DOI: 10.1016/j.atmosenv.2017.10.003
Scopus记录号: 2-s2.0-85031494905
论文题名: Development of an environmental chamber for evaluating the performance of low-cost air quality sensors under controlled conditions
作者: Papapostolou V ; , Zhang H ; , Feenstra B ; J ; , Polidori A
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2017
卷: 171 起始页码: 82
结束页码: 90
语种: 英语
英文关键词: Environmental chamber
; Gaseous pollutants
; Low-cost sensors
; Particle pollutants
; Sensor evaluation
; Testing protocol
Scopus关键词: Aerosols
; Air quality
; Costs
; Environmental chambers
; Fog
; Humidity control
; Pollution
; Societies and institutions
; Stainless steel
; Best available technologies
; Federal equivalent methods
; Federal reference methods
; Gaseous pollutants
; Low-cost sensors
; Sensor evaluation
; Temperature and relative humidity
; Testing protocols
; Quality control
; ozone
; stainless steel
; aerosol
; air quality
; automation
; concentration (composition)
; control system
; flux chamber
; governance approach
; ozone
; performance assessment
; quantitative analysis
; relative humidity
; sensor
; aerosol
; air quality
; Article
; cost
; evaluation study
; priority journal
; quantitative analysis
; reproducibility
; standardization
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: A state-of-the-art integrated chamber system has been developed for evaluating the performance of low-cost air quality sensors. The system contains two professional grade chamber enclosures. A 1.3 m3 stainless-steel outer chamber and a 0.11 m3 Teflon-coated stainless-steel inner chamber are used to create controlled aerosol and gaseous atmospheres, respectively. Both chambers are temperature and relative humidity controlled with capability to generate a wide range of environmental conditions. The system is equipped with an integrated zero-air system, an ozone and two aerosol generation systems, a dynamic dilution calibrator, certified gas cylinders, an array of Federal Reference Method (FRM), Federal Equivalent Method (FEM), and Best Available Technology (BAT) reference instruments and an automated control and sequencing software. Our experiments have demonstrated that the chamber system is capable of generating stable and reproducible aerosol and gas concentrations at low, medium, and high levels. This paper discusses the development of the chamber system along with the methods used to quantitatively evaluate sensor performance. Considering that a significant number of academic and research institutions, government agencies, public and private institutions, and individuals are becoming interested in developing and using low-cost air quality sensors, it is important to standardize the procedures used to evaluate their performance. The information discussed herein provides a roadmap for entities who are interested in characterizing air quality sensors in a rigorous, systematic and reproducible manner. © 2017 Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82174
Appears in Collections: 气候变化事实与影响
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作者单位: South Coast Air Quality Management District, Diamond Bar, CA, United States
Recommended Citation:
Papapostolou V,, Zhang H,, Feenstra B,et al. Development of an environmental chamber for evaluating the performance of low-cost air quality sensors under controlled conditions[J]. Atmospheric Environment,2017-01-01,171