I.S. EN ISO 11821:1997
Current
The latest, up-to-date edition.
ACOUSTICS - MEASUREMENT OF THE IN SITU SOUND ATTENUATION OF A REMOVABLE SCREEN
Hardcopy , PDF
English
01-01-1997
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
1 Scope
2 Normative references
3 Definitions
4 Instrumentation
5 Determination of in situ sound attenuation
6 Uncertainty
7 Information to be recorded
8 Information to be reported
Annex
A Bibliography
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