EN 352-6-2002 en Hearing protectors - Safety requirements and testing - Part 6 Ear-muffs with electrical audio input《听力保护器 安全要求和试验 第6部分 带音频输入的耳机橡皮套》.pdf

1、BRITISH STANDARD BS EN 352-6:2002 Hearing protectors Safety requirements and testing Part 6: Ear-muffs with electrical audio input The European Standard EN 352-6:2002 has the status of a British Standard ICS 13.340.20 BS EN 352-6:2002 This British Standard, having been prepared under the direction o

2、f the Health and Environment Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 12 December 2002 BSI 12 December 2002 ISBN 0 580 40979 1 National foreword This British Standard is the official English language version of EN 352-6

3、:2002. The UK participation in its preparation was entrusted to Technical Committee PH/7, Hearing protectors, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement int

4、ernational or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not pu

5、rport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European commit

6、tee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 12

7、, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3526 December2002 ICS13.340.20 Englishversion Hearingprot

8、ectorsSafetyrequirementsandtestingPart6: Earmuffswithelectricalaudioinput ProtecteursindividuelscontrelebruitExigencesde scuritetessaisPartie6:Serretteavecentreaudio lectrique GehrschtzerSicherheitstechnischeAnforderungenund PrfungenTeil6:Kapselgehrschtzermit Kommunikationseinrichtungen ThisEuropean

9、StandardwasapprovedbyCENon16October2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedon

10、applicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmemb

11、ersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORM

12、UNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3526:2002EEN3526:2002(E) 2 Contents page Foreword3 Introduction.4 1 Scope4 2 Normativereferences 4 3 Termsanddefinitions . 5 4 Requirements.5 5 Te

13、sting5 6 Informationsuppliedbythemanufacturer .6 7 Marking.7 AnnexA (informative)Uncertaintyofmeasurementandinterpretationoftestresults8 AnnexB (informative) Determinationofsoundoutputlevelsforearmuffsfittedwith electricalaudioinput. .10 AnnexZA (informative) ClausesofthisEuropeanstandardaddressinge

14、ssential requirementsorotherprovisionsofEUDirective . .11 Bibliography12EN3526:2002(E) 3 Foreword Thisdocument(EN3526:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC159,“Hearing protectors“,thesecretariatofwhichisheldbySIS. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicat

15、ionofanidentical textorbyendorsement,atthelatestbyJune2003,andconflictingnationalstandardsshallbewithdrawnat thelatestbyJune2003. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). Forrelation

16、shipwithEUDirectives,seeinformativeAnnexZA,whichisanintegralpartofthisstandard. InthisstandardtheannexesAandBareinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Den

17、mark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3526:2002(E) 4 Introduction Thisstandardfor”HearingProtectorssafetyrequirementsandtestingPart6:Earmuffswithelectrical audioinput”,specifiesproceduresf

18、orthetestingofpersonalhearingprotectiondevicesinrelationtoDirective 89/686/EECPersonalProtectiveEquipment. EN3521dealswithrequirementsforearmuffs,EN3522withearplugs,EN3523withearmuffsattached toindustrialsafetyhelmets.EN138191andEN138192dealwithtestingplanscommontoalltypesof hearingprotectorscovered

19、bythisseriesofENs. Additionalsafetyrequirementsandtheassociatedtestproceduresforleveldependentearmuffsare containedinEN3524,forearmuffswithactivenoisereductioninEN3525andforleveldependentear plugsinEN3527.AnassociatedstandardEN458,coversselection,use,careandmaintenanceofhearing protection. Thepartic

20、ularrequirementforhearingprotectorsinrelationtotheirabilitytoreducenoisetobelowdailylimit levelssetbyDirective86/188/EEC“ontheprotectionofworkersfromtherisksrelatedtoexposuretonoiseat work“isaddressedinthestandardbymeansofarequirementtoreporttheoutputsoundlevelsoftheelectrical audiocircuit. Anadditi

21、onalacousticperformancetestmethodtothatdescribedinEN248691andappliedinEN3521, EN3522andEN3523isrequiredforearmuffswithelectricalaudioinput.Untilsuchtimeasthisworkis completed,thetestmethoddescribedinAnnexBofthisstandardisrecommendedforearmuffswithelectrical audioinput,inadditiontotheEN248691testrequ

22、iredwithinEN3521. Earmuffswithelectricalaudioinputaredesignedtoprovidespeechinformationandwarningsignals,while providingattenuationofsoundsinexcessoflimitlevels.Theymaybeselectedforuseinanumberofdifferent workingenvironments,inairtrafficcommunication,inthepoliceforces,inthebroadcastingandentertainme

23、nt industries,inintermittentorimpulsivenoiseenvironmentswhenspeechinformationneedstobereceivedand whereotherwarningsignalsarerequiredtobeheard. Thispartofthestandardisaspecificationintendedfortypeapprovalpurposes,forwhichfoursetsofspecimen earmuffsaretested,(furthersamplesmayberequiredfortestingunde

24、rEN351,orEN3523,asappropriate). Therequirementsandtestsofthestandardareconcernedprimarilywiththeelectricalaudioinputperformanceof theearmuffs.Thestandardmaybeappliedtoearmuffsforfittingtoindustrialsafetyhelmets. 1Scope ThisEuropeanStandardisconcernedwithearmuffswhosepassiveacousticperformancemaybesu

25、pplemented byanelectricalaudioinputfacilityorcircuitforessentialsafetyrelatedpurposes.Itspecifiesadditional constructional,designandperformancerequirements,methodsoftest,markingrequirementsanduser informationrelatingtotheincorporationoftheelectricalaudioinputfacility. Therequirementsofthisstandardar

26、eintendedtotakeaccountoftheergonomicinteractionbetweenthe wearer,thedeviceand,wherepossible,theworkingenvironmentinwhichthedeviceislikelytobeused(see AnnexZAofthisstandardandEN458) 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesen

27、ormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationre

28、ferredtoapplies(includingamendments). EN3521:2002, HearingprotectorsGeneralrequirementsPart1:EarmuffsEN3526:2002(E) 5 EN3523:2002,HearingprotectorsGeneralrequirementsPart3:Earmuffsattachedtoanindustrial safetyhelmet EN138191, HearingprotectorsTestingPart1:Physicaltestmethods 3 Termsanddefinitions Fo

29、rthepurposesofthisEuropeanStandardthetermsanddefinitionsgiveninEN3521:2002(orEN352 3:2002,asappropriate)andthefollowingdefinitionapply: 3.1 soundoutputlevel Aweighteddiffusefieldrelatedsoundpressurelevelproducedbytheelectricalaudioinputfacilityofanearmuff foragiveninputlevel. 4Requirements 4.1Genera

30、l EarmuffswithelectricalaudioinputshallmeettherequirementsofEN3521(orEN3523,as appropriate). Additionalrequirementsarelistedbelowin4.2to4.4. 4.2 Materialsandconstruction TheelectricalcircuitoftheearmuffshallmeettheelectricalsafetyandEMCrequirementsappropriatetothis classofequipment. 4.3Performance 4

31、.3.1General EarmuffswithelectricalaudioinputshallmeetalltheperformancerequirementsofEN3521(orEN 3523,as appropriate),includingtheminimumatt enuationrequirementintheirpassivemode.Additionally,therequirements specifiedbelowin4.3shallbesatisfied. Specimensofearmuffsshallbeconditionedandtestedasspecifie

32、din5.1.1and5.1.2.Theschemeoftesting shallbeasspecifiedin5.1.3. 4.3.2 Soundoutputlevels Thesoundoutputlevelsofthefourtestsamplesshallbemeasuredinaccordancewith5.2andreportedinwearer information(6.1). 5Testing 5.1 Specimens,conditioningandschemeoftesting Thisschemeoftestingisadditionaltothatdescribedi

33、nEN138191.Itshallbecarriedoutonadditionalsamples. 5.1.1Specimens Fourpairsofearmuffsshallbesubmittedfortesting.Theindividualearmuffcupsshallbenumbered1to8(orin thecasethatelectricalaudioinputsarenotfittedtobothcupsoftheearmuffs,1to4).EN3526:2002(E) 6 5.1.2 Conditioningandtestingatmosphere Allspecime

34、nsshallbeconditionedandtestedinanatmospherehavingatemperatureof22 o C 5 o Canda relativehumidityofnotmorethan85%,asrequiredinEN138191. 5.1.3 Schemeoftesting Theeightearmuffcups(orfourifelectricalaudioinputsarenotfittedtobothcups)shallbetestedforoutput levelsasdescribedin5.2. 5.2 Soundoutputlevels Th

35、eacousticmeasurementsofsoundoutputlevelsforearmuffswithelectricalaudioinputareunder consideration. Forthetimebeingandbecauseoftheurgentneed,suchmeasurementsmaybecarriedoutinaccordance withtestproceduresdescribedinAnnexB. 6 Informationsuppliedbythemanufacturer 6.1 Wearerinformation Thefollowinginform

36、ationforthewearer(inadditiontothatrequiredbyEN3521)shallbesuppliedwiththe earmuffs: a)thenumberofthisstandard,EN3526; b)anindicationastowhetherthehearingprotectorprovideselectricalaudioinput; c)thevaluesofthesoundoutputlevelsasdeterminedbytheproceduresdescribedintheAnnexB; d)recommendedstoragecondit

37、ionsbeforeandafteruse; e)electricalsafetyinformationrelatingtotheaudioinputfacilityorearmuffswithelectricalaudioinput,the statements: 1)”Thisearmuffisprovidedwithelectricalaudioinput.Thewearer should check correct operation before use.Ifdistortionorfailureisdetected,thewearershouldrefertothemanufact

38、urersadvice.“ 2)”WarningTheoutputoftheelectricalaudiocircuitofthishearingprotectormayexceedthedailylimit soundlevel.” f)theaddressfromwhichadditionalinformationcanbeobtained. Informationaccordingwith6.1shallbeprovidedatleastintheofficiallanguage(s)oftheEuropeanstateof destination. 6.2Additional info

39、rmation Thefollowinginformationshallbeavailablefromthemanufactureronrequest: a)resultsoftestsperformedinaccordancewiththisstandard;EN3526:2002(E) 7 b)thenameandcountryofthetestlaboratorywhichperformedthetestsspecifiedandthedateofthetests. Informationaccordingwith6.2shallbeprovidedatleastintheofficia

40、llanguage(s)oftheEuropeanstateof destination. 7Marking TherequirementsformarkinggiveninEN3521shallbeused.Thegenericmark“EN352”asspecifiedinEN 3521isused,sinceaproductmaymeetEN3521andEN3526simultaneously.EN3526:2002(E) 8 AnnexA (informative) Uncertaintyofmeasurementandinterpretationoftestresults Fore

41、achoftherequiredmeasurementsperformedinaccordancewiththisstandard,acorresponding estimateoftheuncertaintyofmeasurementshouldbeevaluated. Thisestimateofuncertaintyshouldbeappliedandstatedwhenreportingtestresults,inordertoenablethe userofthetestreporttoassessthereliabilityofthedata. Thefollowingprotoc

42、olwithregardtouncertaintyofmeasurementshouldbeappliedtotestresults: Ifthelimitvaluefortheparticulartestgiveninthestandardfallsoutsideoftherangeofvaluescalculatedfrom thetestdataplus/minustheestimateduncertaintyofmeasurement(U),thentheresultshouldbedeemedto beastraightforwardpassorfail(FiguresA.1andA

43、.2). Key 1 Resultofameasurement 2 Upperspecificationlimit(USL) 3 Specificationrange 4 Lowerspecificationlimit(LSL) FigureA.1ResultpassEN3526:2002(E) 9 Key 1 Resultofameasurement 2 Upperspecificationlimit(USL) 3 Specificationrange 4 Lowerspecificationlimit(LSL) FigureA.2Resultfail Ifthelimitvaluefortheparticulartestgiveninthestandardfallswithintherangeofvaluescalculatedfromthe testdataplus/minustheestimateduncertaintyofme