ISO 21501-1:2025
Current
The latest, up-to-date edition.
Determination of particle size distribution — Single particle light interaction methods — Part 1: Light scattering aerosol spectrometer
Hardcopy , PDF
English
10-12-2025
This document specifies characteristics of a light scattering aerosol spectrometer (LSAS) which is used for measuring the size, number concentration and number-based size distribution of particles suspended in a gas. This document provide the calibration procedure and the validation method for aerosol spectrometers.
This document applies to:
fractional separation efficiency determination of filters.
| Committee |
ISO/TC 24/SC 4
|
| DocumentType |
Standard
|
| Pages |
37
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS ISO 21501-1:2025 | Equivalent |
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