BS ISO 21501-4:2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Determination of particle size distribution. Single particle light interaction methods Light scattering airborne particle counter for clean spaces
Hardcopy , PDF
05-25-2018
English
08-31-2007
Foreword
Introduction
1 Scope
2 Terms and definitions
3 Requirements
3.1 Size calibration
3.2 Verification of size setting
3.3 Counting efficiency
3.4 Size resolution
3.5 False count rate
3.6 Maximum particle number concentration
3.7 Sampling flow rate
3.8 Sampling time
3.9 Response rate
3.10 Calibration interval
3.11 Test report
4 Test method
4.1 Size calibration
4.2 Verification of size setting
4.3 Counting efficiency
4.4 Size resolution
4.5 False count rate
4.6 Maximum particle number concentration
4.7 Sampling flow rate
4.8 Sampling time
4.9 Response rate
4.10 Calibration
Annex A (informative) Uncertainty of particle size
calibration
Annex B (informative) Counting efficiency
Annex C (informative) Size resolution
Annex D (informative) False count rate
Annex E (informative) Response rate
Bibliography
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