欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    EN 352-3-2002 en Hearing protectors - General requirements - Part 3 Ear-muffs attached to an industrial safety helmet《护听器 安全要求和试验 第3部分 工业安全头盔的耳套》.pdf

    • 资源ID:710974       资源大小:230.40KB        全文页数:20页
    • 资源格式: PDF        下载积分:10000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要10000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    EN 352-3-2002 en Hearing protectors - General requirements - Part 3 Ear-muffs attached to an industrial safety helmet《护听器 安全要求和试验 第3部分 工业安全头盔的耳套》.pdf

    1、BRITISH STANDARD BS EN 352-3:2002 Hearing protectors General requirements Part 3: Ear-Muffs attached to an industrial safety helmet The European Standard EN 352-3:2002 has the status of a British Standard ICS 13.340.20 BS EN 352-3:2002 This British Standard, having been prepared under the direction

    2、of the Health and Environment Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 31 October 2002 BSI 31 October 2002 ISBN 0 580 40668 7 National foreword This British Standard is the official English language version of EN 352-3:

    3、2002. It supersedes BS EN 352-3:1997 which is withdrawn. 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-re

    4、ferences The British Standards which implement international 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 Brit

    5、ish Standards Online. This publication does not purport 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; presen

    6、t to the responsible international/European committee 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 in

    7、side front cover, the EN title page, pages 2 to 16, 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 EN3523 Oc

    8、tober2002 ICS13.340.20 SupersedesEN3523:1996 Englishversion HearingprotectorsGeneralrequirementsPart3:Earmuffs attachedtoanindustrialsafetyhelmet ProtecteursindividuelscontrelebruitExigences gnralesPartie3:Serrettemontssurcasquede protectionpourlindustrie GehrschtzerAllgemeineAnforderungenTeil3:An I

    9、ndustriehelmenbefestigteKapselgehrschtzer ThisEuropeanStandardwasapprovedbyCENon18August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalrefer

    10、encesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementC

    11、entrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION

    12、 COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3523:2002EEN3523:2002(E) 2 Contents page Foreword3 Introduction .4 1 Scope 5 2 Normativerefer

    13、ences 5 3 Termsanddefinitions . 5 4 Requirements.7 4.1Sizing . .7 4.2Materialsandconstruction. .7 4.3Performance 7 5 Marking.10 6 Informationsuppliedbythemanufacturer .10 6.1General .10 6.2Wearerinformation . 11 6.3Additionalinformation . 12 AnnexA (informative)Uncertaintyofmeasurementandinterpretat

    14、ionoftestresults13 AnnexZA (informative) ClausesofthisEuropeanstandardaddressingessentialrequirementsor otherprovisionsofEUDirectives .15 Bibliography 16EN3523:2002(E) 3 Foreword Thisdocument(EN3523:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC159,“Hearingprotectors“, thesecretariatofwhichisheldbyS

    15、IS. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyApril2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby April2003. ThisdocumentsupersedesEN3523:1996. ThisdocumenthasbeenpreparedunderamandategiventoCENby

    16、theEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countri

    17、esareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom. AnnexAisinformative.EN3523:2002(E) 4 Introduction Thisstandardfor”HearingPro

    18、tectors:Earmuffsattachedtoanindustrialsafetyhelmet:Generalrequirements”, setsrequirementsforpersonalhearingprotectiondevicesinrelationtoDirective89/686/EECPersonalProtective Equipment. Theparticularrequirementinrelationtotheabilityofhearingprotectorstoreducenoisebelowdailylimitlevelsis addressedinth

    19、estandardbyrequiringthesoundattenuationofthehearingprotectors,measuredinaccordance withEN248691,tobenotlessthanaspecifiedminimum.Further,byrequiringthatthemeasuredsound attenuationbedeclared,theselectionofsuitablehearingprotectorsforindividualcircumstancesmaybe undertakenaccordingtoestablishedpracti

    20、ce. EN3521dealswithrequirementsforearmuffs,EN3522withearplugs,EN3523withearmuffsattachedto industrialsafetyhelmets.EN13819dealswithtestingplanscommontoalltypesofhearingprotectorscoveredby thisseriesofprENs,andisintwoParts;Part1:Physicaltestmethods,andPart2:Acoustictestmethods. Additionalsafetyrequir

    21、ementsandtheassociatedtestproceduresforleveldependentearmuffsarecontainedin EN3524,forearmuffswithactivenoisereductioninprEN3525,forearmuffswithaudiocommunicationsinprEN 3526andforleveldependentearplugsinprEN3527. ThePartsofprEN352,otherthanParts1,2and3,covertheperformanceoffunctionsadditionaltopass

    22、ive hearingprotection.Hearingprotectorswhichincorporateoneormoreofthesefunctionsaresubjecttothe requirementsandtestsofeachoftherelevantPartsofprEN352,includingParts1,2or3,asappropriate. AnassociatedstandardEN458,coversselection,use,careandmaintenanceofhearingprotectors. TherequirementsofEN3523arecon

    23、cernedprimarilywiththephysicalandacousticperformanceoftheearmuffs fittedtoanindustrialhelmetwhichcomplieswithEN397. Thesizingrequirementsenablethegreatmajorityoftheindustrialpopulationtobefittedsatisfactorilyby”medium sizerange”helmetmountedearmuffs.Populationsofothersizesmaybeaccommodatedby”smallsi

    24、zerange”or ”largesizerange”helmetmountedearmuffs,whicharerequiredtobeaccompaniedbyinformationregardingthe rangeofsizeswhichtheyaredesignedtofit. Thestandardalsocallsforthevaluesofsoundattenuationaffordedbythehelmetmountedearmuffs(measuredin accordancewithEN248691)inordertoassistpurchasersinselecting

    25、themostappropriatemodelfortheirneeds. Minimumvaluesofsoundattenuationarealsospecified. Amaximumvariabilityininsertionloss,measuredobjectivelyafteraseriesofperformancetests,isspecified.The objectivetestmethodonlyfacilitatesthemakingofcomparativemeasurements,andtheinsertionlossvalues obtainedwilldiffe

    26、rfromthemeasuredsoundattenuationvalues. Thelatter,whichrequirethehelmetmountedearmuffstobetestedwhilstbeingwornbyhumantestsubjects,is regardedasprovidingthereferencetestmethodforthemeasurementoftheacousticperformanceofhearing protectors.EN3523:2002(E) 5 1Scope Thispartofthestandardspecifiesrequireme

    27、ntsforconstruction,design,performance,markinganduser informationforearmuffsfittedtoanindustrialhelmetwhichcomplieswithEN397. Inparticular,itspecifiesthesoundattenuationofthehelmetmountedearmuffs,measuredinaccordancewithEN 248691. Becauseonemodelofearmuffsdesignedtobeattachedtoanindustrialsafetyhelme

    28、tcanbefittedtoanumberof helmetmodelsandsizes,thispartofthestandardsetsoutaseriesofphysicalandacousticrequirementsforthe earmuffswhenfittedtothespecifiedmodel(s)orsize(s)ofhelmet. Allrequirementsapplytotheearmuffsfittedtooneofthespecifiedmodelsorsizesofhelmet(thebasic combination),andanabbreviatedset

    29、ofrequirementsapplytothesamemodelofearmuffswhenfittedtotheother specifiedmodelsorsizesofhelmet(thesupplementarycombinations). Informationontherangemodelsofhelmettestedwiththeearmuffs,andforwhichthecombinationsatisfiedthis standard,isrequiredtobemadeavailable. Ergonomicaspectsareaddressedbytakinginto

    30、account,withintherequirements,theinteractionbetweenthe wearer,thedeviceandwherepossibletheworkingenvironmentinwhichthedeviceislikelytobeused(seeAnnex ZAandEN458). 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferences

    31、arecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(in

    32、cludingamendments). EN138191:2002 ,HearingprotectorsTestingPart1:Physicaltestmethods EN138192:2002 ,HearingprotectorsTestingPart2:Acoustictestmethods EN397 ,Industrialsafetyhelmets EN960:1994 ,Headformsforuseinthetestingofprotectivehelmets ENISO48692, AcousticsHearingprotectorsPart2:Estimationofeffe

    33、ctiveAweightedsoundpressurelevels whenhearingprotectorsareworn(ISO48692:1994) 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply: 3.1 cup hollowcomponentwhichismountedontheequivalentheadbandandtowhichacushionandalinerareusually fitted 3.2 cupsupportingarm

    34、 arm,usuallyofmetalorplastics,attachedtothesafetyhelmetshellanddesignedtoenabletheearmuffscuptofit securelyaroundtheearbyexertingpressurethroughthecushion.Itincludesthemeansofattachmenttothe safetyhelmetshell 3.3 cushion deformablecomponent,usuallycontainingafoamplasticorfluidfilling,fittedtotherimo

    35、fthecuptoimprovethe comfortandfitoftheearmuffsontheheadEN3523:2002(E) 6 3.4 liner acousticallyabsorptivematerialcontainedwithinthecupwhichisintendedtoincreasetheattenuationoftheear muffsatcertainfrequencies 3.5 earmuffs hearingprotectorconsistingofacuptobepressedagainsteachpinnaorofacircumauralcupto

    36、bepressed againsttheheadaroundeachpinna.Thecupsmaybepressedagainsttheheadwithaheadbandorbymeansof adeviceattachedtoasafetyhelmetorotherequipment 3.6 headband banddesignedtoenabletheearmuffstofitsecurelyaroundtheearsbyexertingforceagainstthecupsand pressurethroughthecushions.Inthecaseofhelmetmountede

    37、armuffsitisdeemedtobethatpartofthehelmet mountedearmuffswhichsupportsthecups.Itcomprisesthesafetyhelmetshellandthecupsupportarms,andis intendedtobefunctionallyequivalenttotheheadbandofheadbandearmuffs 3.7 helmet headgear,primarilyintendedtoprotecttheupperpartofawearersheadagainstinjuryfromfallingobj

    38、ectsand whichcomplieswiththerequirementsofEN397 3.8 externalverticaldistance verticaldistancebetweenthetopofthetestheadformonwhichthehelmetismountedandthehighestpointonthe outsidesurfaceofthehelmetshell 3.9 insertionloss meanalgebraicdifferenceindecibelsbetweentheonethirdoctavebandsoundpressurelevel

    39、,measuredbythe microphoneoftheacoustictestfixtureinaspecifiedsoundfieldunderspecifiedconditions,withthehearing protectorabsent,andthesoundpressurelevelwiththehearingprotectoron,withotherconditionsidentical 3.10 parkingposition positionoftheearmuffsinwhichthecupsarelocatedabovetheleveloftheloweredgeo

    40、fthehelmetshell,as specifiedbytheearmuffsmanufacturerinaccordancewith6.2(h)(seealso3.12) 3.11 soundattenuation foragiventestsignal,themeandifferenceindecibelsbetweenthethresholdofhearingwithandwithoutthe hearingprotectorinplace,forapaneloftestsubjects 3.12 standbyposition positionoftheearmuffsinwhic

    41、hthecupsarelocatedbelowtheleveloftheloweredgeofthehelmetshellandin whichthecushionsareheldawayfromthesideoftheheadorpinna(seealso3.10) 3.13 basiccombination helmetmountedearmuffswhichincludesthefirstoronlymodelorsizeofhelmettowhichagivenmodelofear muffsisfitted,andwhichwillundergoallthetestsinthesta

    42、ndard(seealso3.14) 3.14 supplementarycombination helmetmountedearmuffswhichincludeamodelorsizeofhelmet,(otherthanthehelmetofthebasic combination),towhichisfittedthesamemodelofearmuffsasforthebasiccombination,andwhichwillundergo anabbreviatedsetoftests(seealso3.13)EN3523:2002(E) 7 3.15 hygienecovers

    43、temporary,disposablecoversfittedoverthecushionsandintendedtoprotectthemfromtheeffectsofdirt, perspirationandcosmetics,etc 4Requirements 4.1Sizing Helmetmountedearmuffsshallbeclassifiedintothreesizeranges,Mediumsizerange,Smallsizerangeand Largesizerange. Mediumsizerangeearmuffsshallbesoclassifiediftheiradjustabilitycomplieswithclause4.3.2.2. Smallsizerangeearmuffsshallbesoclassifiediftheiradjustabilitycomplieswith4.3.2.3. Largesiz


    注意事项

    本文(EN 352-3-2002 en Hearing protectors - General requirements - Part 3 Ear-muffs attached to an industrial safety helmet《护听器 安全要求和试验 第3部分 工业安全头盔的耳套》.pdf)为本站会员(inwarn120)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开