BS 848-2.2(2004) : 2004
Current
The latest, up-to-date edition.
INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 2: REVERBERANT ROOM METHOD
23-11-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Limitations on use
4 Field of application
5 Instrumentation
6 Test method
7 Acoustic environment
8 Test set-up and ducting
9 Observations
10 Calculations
Annex A (normative) Room qualification for sound sources with
broad band sound
Annex B (informative) Room qualification for sound sources
with pure tones/narrow-band sound
Annex C (informative) Total fan sound testing with attached ducts
Annex D (normative) Transmission element
Bibliography
Provides a detailed description of reverberant room methods for the determination of fan sound power levels.
| Committee |
MCE/17
|
| DevelopmentNote |
Also numbered as BS ISO 13347-2. Together with BS ISO 13347-1, BS ISO 13347-3, BS ISO 13347-4, BS 848-2.1(2004), BS 848-2.3(2004) & BS 848-2.4(2004), it supersedes BS 848-2(1985). (08/2004) Supersedes 02/705654 DC. (09/2004) Reviewed and confirmed by BSI, September 2015. (09/2015)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 13347-2:2004 | Identical |
| ISO 10302:1996 | Acoustics — Method for the measurement of airborne noise emitted by small air-moving devices |
| ISO 3742:1988 | Acoustics — Determination of sound power levels of noise sources — Precision methods for discrete-frequency and narrow-band sources in reverberation rooms |
| ISO 3743-2:1994 | Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering methods for small, movable sources in reverberant fields — Part 2: Methods for special reverberation test rooms |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| ISO 3740:2000 | Acoustics — Determination of sound power levels of noise sources — Guidelines for the use of basic standards |
| IEC 60704-2-7:1997 | Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-7: Particular requirements for fans |
| ISO 13350:2015 | Fans — Performance testing of jet fans |
| ISO 5801:2017 | Fans — Performance testing using standardized airways |
| ISO 3741:2010 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for reverberation test rooms |
| ISO 13347-1:2004 | Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 1: General overview |
| ISO 7235:2003 | Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss |
| ISO 5136:2003 | Acoustics — Determination of sound power radiated into a duct by fans and other air-moving devices — In-duct method |
| ISO 3743-1:2010 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for small movable sources in reverberant fields — Part 1: Comparison method for a hard-walled test room |
| ISO 13349:2010 | Fans — Vocabulary and definitions of categories |