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16/30299911 DC : 0

NA
NA

Status of Standard is Unknown

BS ISO 21501-4 - DETERMINATION OF PARTICLE SIZE DISTRIBUTION - SINGLE PARTICLE LIGHT INTERACTION METHODS - PART 4: LIGHT SCATTERING AIRBORNE PARTICLE COUNTER FOR CLEAN SPACES
Available format(s)

Hardcopy , PDF

Language(s)

English

Foreword
Introduction
1 Scope
2 Terms and definitions
3 Requirements
4 Test and calibration procedures
Annex A (informative) - Counting efficiency
Annex B (informative) - Size resolution
Annex C (informative) - False count
Annex D (informative) - Response rate
Annex E (informative) - Procedure for evaluating the
        uncertainties of the results of the performance
        tests
Bibliography

BS ISO 21501-4.

Committee
LBI/37
DocumentType
Draft
Pages
34
PublisherName
British Standards Institution
Status
NA

ISO 9276-1:1998 Representation of results of particle size analysis — Part 1: Graphical representation
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO 14644-1:2015 Cleanrooms and associated controlled environments Part 1: Classification of air cleanliness by particle concentration
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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