UNI ISO 13347-3 : 2009
Current
Current
The latest, up-to-date edition.
INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 3: ENVELOPING SURFACE METHODS
Published date
12-11-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Acoustic environment and ducting
4 Determination of measurement surface
5 Test method
6 Acoustic tests: determination of sound power level
Annex A (normative) Determination of environmental
correction K[2]
Bibliography
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