INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 1: GENERAL OVERVIEW

Amended by

BS ISO 13347-1:2004+A1:2010

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2004

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
4 Limitations on use
5 Measurement uncertainty
6 Instrumentation
7 Test methods
8 Fan installation conditions
9 Fan operating conditions
10 Information to be recorded
11 Calculations and evaluations
12 Test report
Annex A (normative) - Effect of rotational speed changes
Annex B (informative) - Change of gas or air conditions
Annex C (normative) - Corrections for end reflection
Annex D (informative) - Simplified anechoic termination
Annex E (normative) - Uncertainty analysis
Annex F (normative) - Calibration of reference sound source
Annex G (informative) - Filter weighted measurements
Bibliography

Relates with the determination of the acoustic performance of industrial fans. Also used to determine the acoustic performance of fans combined with an ancillary device such as a roof cowl or damper or, where the fan is fitted with a silencer, the sound power resulting from the fan and silencer combination.

Committee	MCE/17
DevelopmentNote	Also numbered as BS 848-2.1(2004) Together with BS ISO 13347-2, BS ISO 13347-3 and BS ISO 13347-4, BS 848-2.2(2004), BS 848-2.3(2004) & BS 848-2.4(2004), it supersedes BS 848-2(1985) (08/2004) Supersedes 02/705653 DC (09/2004) 2004 Edition Re-Issued in June 2011 & incorporates AMD 1 2010. (06/2011)
DocumentType	Standard
Pages	44
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 848-2:1985 02/705653 DC : DRAFT MAY 2002

Standards	Relationship
ISO 13347-1:2004	Identical

ISO 10302:1996	Acoustics Method for the measurement of airborne noise emitted by small air-moving devices
ISO 2204:1979	Acoustics Guide to International Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings
ISO 13348:2007	Industrial fans — Tolerances, methods of conversion and technical data presentation
ISO 3744:2010	Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
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 9614-1:1993	Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
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
ANSI S1.21 72 : LATEST	NOISE CONTROL ENGINEERING
ISO 5801:2017	Fans — Performance testing using standardized airways
ISO 13347-2:2004	Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 2: Reverberant room method
ISO 6926:2016	Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
ISO 13347-3:2004	Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 3: Enveloping surface methods
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 7235:2003	Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
ISO 3745:2012	Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
ISO 5136:2003	Acoustics — Determination of sound power radiated into a duct by fans and other air-moving devices — In-duct method
ISO 13347-4:2004	Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 4: Sound intensity 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

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BS ISO 13347-1 : 2004

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