IEC/TR 60825-9-1999 激光产品的安全第9部分:非相干光辐射最大允许曝光量的汇集

作者:标准资料网 时间:2024-05-17 07:27:29  浏览:9842   来源:标准资料网

【英文标准名称】:Safetyoflaserproducts-Part9:Compilationofmaximumpermissibleexposuretoincoherentopticalradiation
【原文标准名称】:激光产品的安全第9部分:非相干光辐射最大允许曝光量的汇集
【标准号】:IEC/TR60825-9-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC76
【标准类型】:()
【标准水平】:()
【中文主题词】:光辐射;放射性照射;最大值;激光设备;激光辐射;抗激光辐射保护措施;激光束;指导手册;安全;电气工程
【英文主题词】:Accidentprevention;Definitions;Electricalengineering;Eyeprotectors;Eyes;Guidebooks;Infraredradiation;Laserbeams;Laserequipment;Laserradiation;Lasers;Lighthazards;Limits(mathematics);Maximumvalues;Measurement;Occupationalsafety;Operationalsafety;Opticalradiation;Photometry;Protectionagainstlaserradiation;Radiation;Radiationexposure;Radiationhazards;Radiationprotection;Retina;Risk;Safety;Safetyengineering;Safetyrequirements;Skin(body);Skinprotection;Specification(approval);Ultravioletradiation;Workplacesafety
【摘要】:ThisTechnicalReportreconcilescurrentMaximumPermissibleExposure(MPE)valuesfortheexposureofthehumaneyeandskintoincoherentopticalradiationfromartificialsourcesinthewavelengthrangefrom180nmto3000nmwiththeultimategoalofharmonisation.Exposurelimitsbetween3000nmand1mmwavelengtharecurrentlyundefined.Thesevaluesarebasedonthebestavailableinformationfromexperimentalstudiesandshouldbeusedonlyasguidesinthecontrolofexposuretoradiationfromartificialsourcesandshouldnotberegardedasapreciselinebetweensafeanddangerouslevels.NOTEThevaluesofthisreportareapplicabletomostindividuals,however,someindividualsmaybehypersusceptibleorotherwiseunusuallyresponsivetoopticalradiationbecauseofgeneticfactors,age,personalhabits(smoking,alcohol,orotherdrugs),medication,orpreviousexposures.Suchindividualsmaynotbeadequatelyprotectedfromadversehealtheffectsfromexposuretoopticalradiationatorbelowthemaximumpermissibleexposurevaluesofthisreport.Medicaladviseshouldbesoughttoevaluatetheextenttowhichadditionalprotectionisneeded.Thesevaluesweremainlydevelopedforexposuretoartificialsources.Theymayalsobeusedfortheevaluationofexposuretosunlight.TheMPEvaluesshouldnotbeapplicabletoexposureofpatientstoopticalradiationforthepurposeofmedicaltreatment.MaximumpermissibleexposurevaluesfortheexposuretoradiationfromlasersourcesaredefinedinIEC60825-1.NOTE1BasicdocumentsofthisreportwereIEC60825-1(addressinglasers)andtheIRPA/ICNIRPGuidelines(addressingincoherentsources).ACGIHlimitsareslightlydifferentinwavelengthrangesandinlimitvalues.NOTE2InspiteofthefactthatLEDsemitmainlyincoherentradiationtheyarecurrentlydealtwithinIEC60825-1.NOTE3Therearenodamagemechanismswhichareknowntobedifferentforcoherentandincoherentsources.However,inmanycasesthelimitvaluesinIEC60825-1aremoreconservativethanthevaluesinthisreport.ThisisespeciallytrueinwavelengthregionswherenolaserswereavailablewhenIEC60825-1wasoriginallydeveloped.NOTE4ExposurestolevelsattheMPEvaluesgivenmaybeuncomfortabletovieworfeelupontheskin.NOTE5IntheUV-BandUV-CspectralrangestheMPEvaluesapproachtheradiantexposuresproducingminimallydetectablebiologicalchangesinthesurfacecornealcells.Levelsproducingharmfuleffectsare2to3timesgreater.1Theobjectofthistechnicalreportistoprovideguidancefortheprotectionofpersonsfromincoherentopticalradiationinthewavelengthrangefrom180nmto1mmbyindicatingsafelevelsofopticalradiationwhicharebelievedtobesafeformostindividualsinthesensethatexposureatorbelowtheselevelswillcreatenoadverseeffects.Becauseonlylimitedknowledgeexistsabouttheeffectsofalong-termexposure,mostMPEsarebasedonacuteeffectsoftheopticalradiationexposureduringaneigthhoursworkday.2Toprovideproceduresandmethodshowthelevelofopticalradiationshouldbemeasuredandevaluatedforthepurposeofcomparisonwiththemaximumpermissibleexposure.
【中国标准分类号】:L51
【国际标准分类号】:13_280;31_260
【页数】:49P;A4
【正文语种】:英语