ISO 21501-4:2007被替代
Determination of particle size distribution - Single particle light interaction methods Part 4: Light scattering airborne particle counter for clean spaces
出版：International Organization for Standardization
專家解讀視頻
Specifies a calibration and verification method for a light scattering airborne particle counter (LSAPC), which is used to measure the size distribution and particle number concentration of particles suspended in air.
BS ISO 21501-4 : 2007 - Identical
GOST R ISO 21501-4 : 2012 - Identical
NEN ISO 21501-4 : 2007 - Identical
DS ISO 21501-4 : 2007 - Identical
BS ISO 21501-4:2007 - Identical
NEN ISO 21501-4:2007 - Identical
