I.S. EN 1793-1:2017
Current
The latest, up-to-date edition.
ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 1: INTRINSIC CHARACTERISTICS OF SOUND ABSORPTION UNDER DIFFUSE SOUND FIELD CONDITIONS
Hardcopy , PDF
English
01-01-2017
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.
National Foreword
European foreword
Introduction
1 Scope
2 Normative references
3 Symbols and abbreviations
4 Test arrangement
5 Test procedure and evaluation
6 Test report
Annex A (informative) - Guidance note on the use of the
single number rating DL[alpha,NRD]
Annex B (informative) - Measurement uncertainty
Annex C (informative) - Example test report
Bibliography
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