BS ISO 13347-4:2004
Superseded
View Superseded by
Industrial fans. Determination of fan sound power levels under standardized laboratory conditions Sound intensity method
Hardcopy , PDF
English
04-30-2008
07-17-2025
Foreword
Introduction
1 Scope
2 Normative references
3 Instruments and methods of test
4 Equipment and test set-ups
5 Test method
6 Calculations
7 Report and results
Annex A (normative) - Indicators for use in case
of difficulty
Annex B (normative) - Alternative procedure for
testing of large fan equipment
Annex C (normative) - Radiation of sound by fan casing
Bibliography
Applicable to industrial fans as defined in ISO 5801 and ISO 13349. Determines sound power by using sound intensity measurements on a measurement surface which encloses the sound source. It provides guidelines on the acoustical environment, ambient noise, measurement surface, and number of measurements.
| Committee |
MCE/17
|
| DevelopmentNote |
Also numbered as BS 848-2.4(2004) Together with BS ISO 13347-1, BS ISO 13347-2, BS ISO 13447-3, BS 848-2.1(2004), BS 848-2.2(2004) and BS 848-2.3(2004), it supersedes BS 848-2(1985) (08/2004) Supersedes 02/705656 DC. (09/2004) Reviewed and confirmed by BSI, February 2008. (01/2008)
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 13347-4:2004 | Identical |
| ISO 13347-4:2004/Cor 1:2006 | Identical |
A newer version of this standard is available.
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