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【英文标准名称】:Acoustics-Hearingprotectors-Part3:Measurementofinsertionlossofear-mufftypeprotectorsusinganacoustictestfixture(ISO4869-3:2007);EnglishversionofDINENISO4869-3:2007-09
【原文标准名称】:声学.听力保护器.第3部分:用声学试验器具测量耳罩式保护器的插入损耗(ISO4869-3:2007)
【标准号】:DINENISO4869-3-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;声学试验;声试验;声学;定义;耳机上的橡皮护套;护耳器;耳罩式保护装置;检验;测量;测量技术;方法;噪声降低;规程;质量控制;安全装置;隔音;声强;声级;测试;试验
【英文主题词】:
【摘要】:ThispartofISO4869specifiesamethodformeasuringtheinsertionlossofear-mufftypehearingprotectorsusinganacoustictestfixture.Themethodisapplicabletotheinvestigationofproductionspreadsofperformanceaspartoftypeapprovalorcertificationprocedures,andtotheinvestigationofthechangeofperformancewithage.Itisintendedtoensurethatear-muffhearingprotectorsamplessubmittedforsubjectivetestingofattenuationaccordingtoISO4869-1haveperformancestypicalofthetype.ThemethodspecifiedinthispartofISO4869isnotapplicableasthebasictestfortypeapproval.Performancedataobtainedbythismethodarenotintendedtobequotedasrepresentingthereal-earsoundattenuationofanear-muff,northeprotectionprovidedbytheear-muff.Forthetestingofcertainear-muffs(suchasthoseattache*dtosafetyhelmets,orthosewithcontouredear-cupsorear-cushions,orsupra-auralear-muffs),theproceduredescribedinthispartofISO4869mightneedtobemodified.
【中国标准分类号】:L31
【国际标准分类号】:13_340_20
【页数】:19P.;A4
【正文语种】:英语