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Overview - ISO 21501-3:2019 (LELPC) ISO 21501-3:2019 specifies calibration and verification methods for the light extinction liquid-borne particle counter (LELPC) used to determine particle size dist…
1 Scope This part of ISO 21501 describes a calibration and verification method for a light extinction liquid-borne particle counter (LELPC), which is used to measure the size and particle number conc…