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Overview ISO 21501-1:2009 defines performance and test methods for light scattering aerosol spectrometers (LSAS) used to determine particle size distribution and particle number concentration of aero…
Overview ISO 21501-1:2025 - Determination of particle size distribution - Single particle light interaction methods - Part 1: Light scattering aerosol spectrometer (LSAS) defines the characteristics,…
1 Scope This part of ISO 21501 specifies characteristics of a light scattering aerosol spectrometer (LSAS) which is used for measuring the size, number concentration and number/size distribution of p…