T/CSP T/BSPT003-2018 The performance testing method for light scattering principle fine particulate matter (PM2.5) mass concentration meter

Scope

Scope: This standard specifies the performance test methods for PM2.5 mass concentration measurement instruments based on the principle of light scattering. This standard applies to PM2.5 mass concentration measurement instruments based on the principle of light scattering with a PM2.5 mass concentration range of (1~1000) ?g/m3; Main technical content: Using a PM2.5 aerosol mixing device to generate aerosols containing PM2.5 particles of a certain concentration, the PM2.5 mass concentration standard device and the light scattering method fine particulate (PM2.5) mass concentration measurement instrument (hereinafter referred to as the "test instrument") simultaneously collect these particles at the same time. After the sampling is completed, the concentration display error of the test instrument at this concentration point is calculated. 1. Flow rate display error; 2. Flow rate repeatability; 3. Flow rate stability; 4. Timing display error; 5. Temperature display error; 6. Humidity display error; 7. Atmospheric pressure display error; 8. Zero point drift; 9. Concentration display error. The light scattering method fine particulate (PM2.5) mass concentration measurement instrument is used to measure the PM2.5 particulate mass concentration in the air. At present, the literature related to PM2.5 mass concentration measurement instruments includes JJF1659-2017 Calibration Specification for PM2.5 Mass Concentration Measurement Instruments, HJ 93-2013 Technical Requirements and Test Methods for Environmental Air Particulate Matter (PM10 and PM2.5), HJ 653-2013 Requirements and Test Methods for Continuous Automatic Monitoring Systems for Environmental Air Particulate Matter (PM10 and PM2.5), HJ 618-2011 Manual Monitoring Methods for PM10 and PM2.5 in Ambient Air, etc. Technical regulations and standards do not involve the test methods for the performance of instruments based on the principle of light scattering. This standard includes the test methods for light scattering

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