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)This British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 May2010. BSI 2010ISBN 978 0 580 67412 9Amendments/corrigenda issued since publicationDate CommentsBS EN ISO 3743-2:2009National forewordThis British Standard is t
3、he 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 It supersedes BS EN ISO 3743-2:1997 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee EH/1/4, Machinery noise.A list of organizations represented on this committee can be obtai
4、ned 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 Standard cannot confer immunityfrom legal obligations.EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN I
5、SO 3743-2July 2009ICS 17.140.01 Supersedes EN ISO 3743-2:1996 English VersionAcoustics - Determination 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 3743-2:19
6、94)Acoustique - Dtermination des niveaux de puissanceacoustique mis par les sources de bruit partir de 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 d
7、er Schalleistungspegel vonGeruschquellen aus Schalldruckmessungen - Verfahrender Genauigkeitsklasse 2 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
8、the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the 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
9、 or to any CEN member.This European Standard exists in three official versions (English, French, German). 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 ver
10、sions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spa
11、in, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES 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 Member
12、s.Ref. No. EN ISO 3743-2:2009: EBS 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 Com
13、mittee 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 lat
14、est 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 be
15、en 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/C
16、ENELEC 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, Lux
17、embourg, 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. BS EN ISO 3743-2:2009EN ISO 3743-2:2009 (E)
18、 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 European Commission and the European Free Trade Association to provide a means of conforming to E
19、ssential 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 been implemented as a national standard in at least one Member State, compliance with the norma
20、tive 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 regulations. WARNING - Other requirements and other EU Directives may be applicable to the product(s) fal
21、ling within the scope of this standard. BS EN ISO 3743-2:2009EN ISO 3743-2:2009 (E) 5 Annex ZB (informative) 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 Com
22、mission and the European Free Trade Association to provide a means of conforming to Essential Requirements 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 nationa
23、l 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 regulations. WARNING Other requirements
24、 and other EU Directives may be applicable to the product(s) falling within the scope of this standard. BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN I
25、SO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 374
26、3-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009BS EN ISO 3743-2:2009
