1、BS EN ISO3743-2:2009ICS 17.140.01NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAcoustics Determination ofsound power levels ofnoise sources usingsound pressure Engineering methodsfor small, movablesources in reverberantfieldsPart 2: Methods for specialreverber
2、ation test rooms (ISO3743-2:1994)Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 May2010. BSI 2010ISBN 978 0 580 67412 9Amendments/corrigenda is
3、sued since publicationDate CommentsBS EN ISO 3743-2:2009National forewordThis British Standard is the UK implementation of EN ISO 3743-2:2009.It is identical to ISO 3743-2:1994. It supersedes BS EN ISO 3743-2:1997 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalC
4、ommittee EH/1/4, Machinery noise.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standa
5、rd cannot confer immunityfrom legal obligations.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 3743-2July 2009ICS 17.140.01 Supersedes EN ISO 3743-2:1996 English VersionAcoustics - Determination
6、 of sound power levels of noisesources using sound pressure - Engineering methods for small,movable sources in reverberant fields - Part 2: Methods forspecial reverberation test rooms (ISO 3743-2:1994)Acoustique - Dtermination des niveaux de puissanceacoustique mis par les sources de bruit partir de
7、 lapression acoustique - Mthodes dexpertise en champrverbr applicables aux petites sources transportables -Partie 2: Mthodes en salle dessai rverbrante spciale(ISO 3743-2:1994)Akustik - Bestimmung der Schalleistungspegel vonGeruschquellen aus Schalldruckmessungen - Verfahrender Genauigkeitsklasse 2
8、fr kleine, transportable Quellenin Hallfeldern - Teil 2: Verfahren fr Sonder-Hallrume (ISO3743-2:1994)This European Standard was approved by CEN on 13 July 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard t
9、he status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, Germa
10、n). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Repub
11、lic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORM
12、ALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 3743-2:2009: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:5
13、4, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009EN ISO 3743-2:2009 (E) 3 Foreword The text of ISO 3743-2:1994 has been prepared by Technical Committee ISO/TC 43 “Acoustics” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 3743-2:2009 by Technical Commit
14、tee CEN/TC 211 “Acoustics” the secretariat of which is held by DS. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2010, and conflicting national standards shall be withdrawn at the latest
15、 by January 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 3743-2:1996. This document has been
16、prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EC Directives. For relationship with EC Directives, see informative Annexes ZA and ZB, which are integral parts of this document. According to the CEN/CENE
17、LEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxemb
18、ourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 3743-2:1994 has been approved by CEN as a EN ISO 3743-2:2009 without any modification. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA ST
19、ANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009EN ISO 3743-2:2009 (E) 4 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC This European Standard has been prepared under a mandate given to CEN by the E
20、uropean Commission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the New Approach Directive 98/37/EC, amended by 98/79/EC on machinery. Once this standard is cited in the Official Journal of the European Communities under that Directive and has
21、 been implemented as a national standard in at least one Member State, compliance with the normative clauses of this standard confers, within the limits of the scope of this standard, a presumption of conformity with the relevant Essential Requirements of that Directive and associated EFTA regulatio
22、ns. WARNING - Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009EN ISO 3743-2:2009 (E) 5 Annex ZB (informati
23、ve) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirement
24、s of the New Approach Directive 2006/42/EC on machinery. Once this standard is cited in the Official Journal of the European Communities under that Directive and has been implemented as a national standard in at least one Member State, compliance with the normative clauses of this standard confers,
25、within the limits of the scope of this standard, a presumption of conformity with the relevant Essential Requirements of that Directive and associated EFTA regulations. WARNING Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard. L
26、icensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang
27、 Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncont
28、rolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:20
29、09BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2
30、:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy
31、: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EX
32、CHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STAND
33、ARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 0
34、2:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled
35、 Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS E
36、N ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSIBS EN ISO 3743-2:2009BS EN ISO 3743-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 19/08/2010 02:54, Uncontrolled Copy, (c) BSI