IEC 61252 Edition 1.1-2002 Electroacoustics - Specifications for personal sound exposure meters《电声学.个人测声表规范》.pdf

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1、NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD61252Edition 1.12002-03Electroacoustique Spcifications des exposimtresacoustiques individuelsElectroacoustics Specifications for personalsound exposure metersNumro de rfrenceReference numberCEI/IEC 61252:1993+A1:2000Edition 1:1993 consolide par lamendeme

2、nt 1:2000Edition 1:1993 consolidated with amendment 1:2000Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-Numrotation des publicationsDepuis le 1er janvier 1997, les publication

3、s de la CEIsont numrotes partir de 60000. Ainsi, la CEI 34-1devient la CEI 60034-1.Editions consolidesLes versions consolides de certaines publications de laCEI incorporant les amendements sont disponibles. Parexemple, les numros ddition 1.0, 1.1 et 1.2 indiquentrespectivement la publication de base

4、, la publication debase incorporant lamendement 1, et la publication debase incorporant les amendements 1 et 2.Informations supplmentairessur les publications de la CEILe contenu technique des publications de la CEI estconstamment revu par la CEI afin quil reflte ltatactuel de la technique. Des rens

5、eignements relatifs cette publication, y compris sa validit, sont dispo-nibles dans le Catalogue des publications de la CEI(voir ci-dessous) en plus des nouvelles ditions,amendements et corrigenda. Des informations sur lessujets ltude et lavancement des travaux entreprispar le comit dtudes qui a lab

6、or cette publication,ainsi que la liste des publications parues, sontgalement disponibles par lintermdiaire de: Site web de la CEI (www.iec.ch) Catalogue des publications de la CEILe catalogue en ligne sur le site web de la CEI(www.iec.ch/catlg-f.htm) vous permet de faire desrecherches en utilisant

7、de nombreux critres,comprenant des recherches textuelles, par comitdtudes ou date de publication. Des informationsen ligne sont galement disponibles sur lesnouvelles publications, les publications rempla-ces ou retires, ainsi que sur les corrigenda. IEC Just PublishedCe rsum des dernires publication

8、s parues(www.iec.ch/JP.htm) est aussi disponible parcourrier lectronique. Veuillez prendre contactavec le Service client (voir ci-dessous) pour plusdinformations. Service clientsSi vous avez des questions au sujet de cettepublication ou avez besoin de renseignementssupplmentaires, prenez contact ave

9、c le Serviceclients:Email: custserviec.chTl: +41 22 919 02 11Fax: +41 22 919 03 00Publication numberingAs from 1 January 1997 all IEC publications areissued with a designation in the 60000 series. Forexample, IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing c

10、onsolidated versions of itspublications. For example, edition numbers 1.0, 1.1and 1.2 refer, respectively, to the base publication,the base publication incorporating amendment 1 andthe base publication incorporating amendments 1and 2.Further information on IEC publicationsThe technical content of IE

11、C publications is keptunder constant review by the IEC, thus ensuring thatthe content reflects current technology. Informationrelating to this publication, including its validity, isavailable in the IEC Catalogue of publications(see below) in addition to new editions, amendmentsand corrigenda. Infor

12、mation on the subjects underconsideration and work in progress undertaken by thetechnical committee which has prepared thispublication, as well as the list of publications issued,is also available from the following: IEC Web Site (www.iec.ch) Catalogue of IEC publicationsThe on-line catalogue on the

13、 IEC web site(www.iec.ch/catlg-e.htm) enables you to searchby a variety of criteria including text searches,technical committees and date of publication. On-line information is also available on recentlyissued publications, withdrawn and replacedpublications, as well as corrigenda. IEC Just Publishe

14、dThis summary of recently issued publications(www.iec.ch/JP.htm) is also available by email.Please contact the Customer Service Centre (seebelow) for further information. Customer Service CentreIf you have any questions regarding thispublication or need further assistance, pleasecontact the Customer

15、 Service Centre:Email: custserviec.chTel: +41 22 919 02 11Fax: +41 22 919 03 00.Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD612

16、52Edition 1.12002-03Electroacoustique Spcifications des exposimtresacoustiques individuelsElectroacoustics Specifications for personalsound exposure metersCommission Electrotechnique InternationaleInternational Electrotechnical CommissionPour prix, voir catalogue en vigueurFor price, see current cat

17、alogue IEC 2002 Droits de reproduction rservs Copyright - all rights reservedAucune partie de cette publication ne peut tre reproduite niutilise sous quelque forme que ce soit et par aucun procd,lectronique ou mcanique, y compris la photocopie et lesmicrofilms, sans laccord crit de lditeur.No part o

18、f this publication may be reproduced or utilized inany form or by any means, electronic or mechanical,including photocopying and microfilm, without permission inwriting from the publisher.International Electrotechnical Commission 3, rue de Varemb Geneva, SwitzerlandTelefax: +41 22 919 0300 e-mail: i

19、nmailiec.ch IEC web site http:/www.iec.chCODE PRIXPRICE CODE UEdition 1:1993 consolide par lamendement 1:2000Edition 1:1993 consolidated with amendment 1:2000Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitte

20、d without license from IHS-,- 2 61252 CEI:1993+A1:2000SOMMAIREAVANT-PROPOS 4INTRODUCTION.81 Domaine dapplication.102 Rfrences normatives .103 Dfinitions 124 Prescriptions gnrales 165 Conditions de rfrence206 Sensibilit acoustique absolue 207 Pondration frquentielle 228 Linarit de la rponse des signa

21、ux permanents 249 Rponse des signaux de courte dure2410 Rponse des impulsions unipolaires.2611 Indicateur de surcharge verrouillage.2612 Sensibilit aux divers environnements.2813 Marquage de linstrument3014 Notice dEmploi.3015 Prescriptions concernant les compatibilits lectromagntiques et lectrostat

22、iqueset procdures dessais 34Annexe A (informative) Expositions sonores et niveaux sonores moyenscorrespondants ramens 8 h 46Annexe B (informative) Essais recommands pour la vrification des caractristiquesdun exposimtre acoustique individuel48Annexe C (informative) Limites concernant lmission .58Figu

23、re 1 Elments fonctionnels dun exposimtre acoustique individuel.18Tableau 1 Pondration frquentielle A par rapport la rponse 1 kHz et tolrance Asur les caractristiques dun exposimtre acoustique individuel complet .22Tableau A.1 Expositions sonores et niveaux sonores moyenscorrespondants ramens 8 h 46T

24、ableau B.1 Ensemble minimal de conditions exprimentales pour les essaisde linarit avec un signal permanent 1 kHz.50Tableau B.2 Conditions pour les essais de la rponse des signaux de courte dure .54Tableau C.1 Limites des perturbations rayonnes une distance dessai de 10 mpour les ATI de classe B .58C

25、opyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-61252 IEC:1993+A1:2000 3 CONTENTSFOREWORD.5INTRODUCTION.91 Scope.112 Normative references113 Definitions 134 General performance r

26、equirements.175 Reference conditions 216 Absolute acoustical sensitivity.217 Frequency weighting .238 Linearity of response to steady signals259 Response to short-duration signals .2510 Response to unipolar pulses .2711 Latching overload indicator .2712 Sensitivity to various environments .2913 Inst

27、rument marking.3114 Instruction Manual 3115 Electromagnetic and electrostatic compatibility requirements and test procedures .35Annex A (informative) Sound exposures and corresponding normalized8-h-average sound levels 47Annex B (informative) Recommended tests to verify the performanceof a personal

28、sound exposure meter49Annex C (informative) Emission limits .59Figure 1 Functional elements of a personal sound exposure meter .19Table 1 Design-goal A-frequency weighting relative to response at 1 kHzand the tolerances A that apply to the performance of a complete personal soundexposure meter.23Tab

29、le A.1 Sound exposures and corresponding normalized 8-h-average sound levels .47Table B.1 Minimum set of target conditions for 1 kHz steady-signal linearity tests .51Table B.2 Conditions for testing response to short-duration signals.55Table C.1 Limits for radiated disturbance of class B ITEat a mea

30、suring distance of 10 m59Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,- 4 61252 CEI:1993+A1:2000COMMISSION LECTROTECHNIQUE INTERNATIONALE_LECTROACOUSTIQUE SPCIFICATIONS DES EX

31、POSIMTRES ACOUSTIQUES INDIVIDUELSAVANT-PROPOS1) La CEI (Commission Electrotechnique Internationale) est une organisation mondiale de normalisation composede lensemble des comits lectrotechniques nationaux (Comits nationaux de la CEI). La CEI a pour objet defavoriser la coopration internationale pour

32、 toutes les questions de normalisation dans les domaines dellectricit et de llectronique. A cet effet, la CEI, entre autres activits, publie des Normes internationales.Leur laboration est confie des comits dtudes, aux travaux desquels tout Comit national intress par lesujet trait peut participer. Le

33、s organisations internationales, gouvernementales et non gouvernementales, enliaison avec la CEI, participent galement aux travaux. La CEI collabore troitement avec lOrganisationInternationale de Normalisation (ISO), selon des conditions fixes par accord entre les deux organisations.2) Les dcisions

34、ou accords officiels de la CEI concernant les questions techniques reprsentent, dans la mesuredu possible, un accord international sur les sujets tudis, tant donn que les Comits nationaux intressssont reprsents dans chaque comit dtudes.3) Les documents produits se prsentent sous la forme de recomman

35、dations internationales. Ils sont publiscomme normes, spcifications techniques, rapports techniques ou guides et agrs comme tels par les Comitsnationaux.4) Dans le but dencourager lunification internationale, les Comits nationaux de la CEI sengagent appliquer defaon transparente, dans toute la mesur

36、e possible, les Normes internationales de la CEI dans leurs normesnationales et rgionales. Toute divergence entre la norme de la CEI et la norme nationale ou rgionalecorrespondante doit tre indique en termes clairs dans cette dernire.5) La CEI na fix aucune procdure concernant le marquage comme indi

37、cation dapprobation et sa responsabilitnest pas engage quand un matriel est dclar conforme lune de ses normes.6) Lattention est attire sur le fait que certains des lments de la prsente Norme internationale peuvent fairelobjet de droits de proprit intellectuelle ou de droits analogues. La CEI ne saur

38、ait tre tenue pourresponsable de ne pas avoir identifi de tels droits de proprit et de ne pas avoir signal leur existence.La Norme internationale CEI 61252 a t tablie par le comit dtudes 29 de la CEI:Electroacoustique.La prsente version consolide de la CEI 61252 est issue de la premire dition (1993)

39、documents 29(BC)162 et 29(BC)168 et de son amendement 1 (2000) documents29/457/FDIS et 29/471/RVD.Elle porte le numro ddition 1.1.Une ligne verticale dans la marge indique o la publication de base a t modifie parlamendement 1.Dans cette Norme internationale sur les exposimtres acoustiques individuel

40、s, les spcifi-cations sont compatibles autant que possible avec les spcifications correspondantes dela CEI 60804 sur les sonomtres intgrateurs. Les quatre principales diffrences techniquespar rapport aux spcifications de la CEI 60804, dition de 1985, sont:a) lexposition sonore est mesure et affiche

41、de prfrence au niveau continu quivalent dela pression acoustique pondre en frquence ou au niveau dexposition sonore;b) la prcision de lintgration du carr des signaux de courte dure est spcifie par lamesure de lexposition sonore dune suite de salves de dure 1 ms et 10 ms, damplitudeconstante et de fr

42、quence 4 kHz, de prfrence la mesure de la rponse des salvesuniques de 4 kHz, damplitude variable avec une dure comprise entre 1 ms et 1 s, chaquesalve unique tant accompagne par un signal de fond permanent, de faible niveau, enphase et de frquence 4 kHz;Copyright International Electrotechnical Commi

43、ssion Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-61252 IEC:1993+A1:2000 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION_ELECTROACOUSTICS SPECIFICATIONS FOR PERSONAL SOUND EXPOSURE METERSFOREWORD1) The IEC (International Electrot

44、echnical Commission) is a worldwide organization for standardization comprisingall national electrotechnical committees (IEC National Committees). The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields. Tothis

45、 end and in addition to other activities, the IEC publishes International Standards. Their preparation isentrusted to technical committees; any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work. International, governmental and non-governmental organi

46、zations liaisingwith the IEC also participate in this preparation. The IEC collaborates closely with the International Organizationfor Standardization (ISO) in accordance with conditions determined by agreement between the twoorganizations.2) The formal decisions or agreements of the IEC on technica

47、l matters express, as nearly as possible, aninternational consensus of opinion on the relevant subjects since each technical committee has representationfrom all interested National Committees.3) The documents produced have the form of recommendations for international use and are published in the f

48、ormof standards, technical specifications, technical reports or guides and they are accepted by the NationalCommittees in that sense.4) In order to promote international unification, IEC National Committees undertake to apply IEC InternationalStandards transparently to the maximum extent possible in their national and regional standards. Anydivergence between the IEC Standa

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