I.S. EN ISO 5135:2020
Current
The latest, up-to-date edition.
Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room
Hardcopy , PDF
English
28-09-2020
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.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Acoustic test facilities and procedures
5 Installation and operation of equipment to be tested
6 Auxiliary facilities for acoustic testing
7 Measurements and calculations
8 Measurement uncertainty
9 Test report
Bibliography
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