IES-LM-80-08-测量LED光源光通量维持特批的方法[1]

IES LM-80-08ApprovedMethod: Measuring Lumen Maintenance of LED Light SourcesIESLM-80-08IESApprovedMethodforMeasuringLumenMaintenanceofLEDLightSourcesPublicationofthisCommitteereporthasbeenapprovedbyIES.SuggestionsforrevisionshouldbedirectedtoIESPreparedby:TheSubcommitteeonSolidStateLightSourcesoftheIESNATestingProceduresCommittee--`,```,,,,,,,```,```,,,,,`-`-`,,`,,`,`,,`---IESLM-80-08Copyright2008bytheIlluminatingEngineeringSocietyofNorthAmerica.ApprovedbytheIESBoardofDirectors,September22,2008,asaTransactionoftheIlluminatingEngineeringSocietyofNorthAmerica.Allrightsreserved.Nopartofthispublicationmaybereproducedinanyform,inanyelectronicretrievalsystemorotherwise,withoutpriorwrittenpermissionoftheIES.PublishedbytheIlluminatingEngineeringSocietyofNorthAmerica,120WallStreet,NewYork,NewYork10005.IESStandardsandGuidesaredevelopedthroughcommitteeconsensusandproducedbytheIESOfficeinNewYork.Carefulattentionisgiventostyleandaccuracy.Ifanyerrorsarenotedinthisdocument,pleaseforwardthemtoRitaHarrold,DirectorEducationalandTechnicalDevelopment,attheaboveaddressforverificationandcorrection.TheIESwelcomesandurgesfeedbackandcomments.ISBN#978-0-87995-227-3PrintedintheUnitedStatesofAmerica.DISCLAIMERIESpublicationsaredevelopedthroughtheconsensusstandardsdevelopmentprocessapprovedbytheAmericanNationalStandardsInstitute.Thisprocessbringstogethervolunteersrepresentingvariedviewpointsandintereststoachieveconsensusonlightingrecommendations.WhiletheIESadministerstheprocessandestablishespoliciesandprocedurestopromotefairnessinthedevelopmentofconsensus,itmakesnoguarantyorwarrantyastotheaccuracyorcompletenessofanyinformationpublishedherein.TheIESdisclaimsliabilityforanyinjurytopersonsorpropertyorotherdamagesofanynaturewhatsoever,whetherspecial,indirect,consequentialorcompensatory,directlyorindirectlyresultingfromthepublication,useof,orrelianceonthisdocumentInissuingandmakingthisdocumentavailable,theIESisnotundertakingtorenderprofessionalorotherservicesfororonbehalfofanypersonorentity.NoristheIESundertakingtoperformanydutyowedbyanypersonorentitytosomeoneelse.Anyoneusingthisdocumentshouldrelyonhisorherownindependentjudgmentor,asappropriate,seektheadviceofacompetentprofessionalindeterminingtheexerciseofreasonablecareinanygivencircumstances.TheIEShasnopower,nordoesitundertake,topoliceorenforcecompliancewiththecontentsofthisdocument.NordoestheIESlist,certify,testorinspectproducts,designs,orinstallationsforcompliancewiththisdocument.AnycertificationorstatementofcompliancewiththerequirementsofthisdocumentshallnotbeattributabletotheIESandissolelytheresponsibilityofthecertifierormakerofthestatement.--`,```,,,,,,,```,```,,,,,`-`-`,,`,,`,`,,`---IESLM-80-08PreparedbytheSubcommitteeonSolidStateLightingoftheIESNATestingProceduresCommitteeSolidStateLightingSubcommitteeKevinJ.Dowling,ChairS.K.AanegolaP.F.Keebler*C.K.AndersenM.KotrebaiR.C.BergerK.K.KruegerR.S.BergmanJ.P.MarellaE.Bretschneider*M.J.MayerM.T.Dyble*G.McKeeS.D.Ellersick*D.M.Mesh*D.Ellis*C.C.MillerM.GratherY.OhnoP.J.Havens*E.RadkovS.Herman*M.L.Riebling*A.Jackson*M.B.Sapcoe*D.R.Jenkins*L.Stafford*J.JiaoG.Trott*M.A.Kalkas*R.C.TuttleD.KarambelasJ.W.Yon*H.S.Kashani*J.X.ZhangIESTestingProceduresCommitteeMichaelGrather,ChairC.K.AndersenJ.Lawton*L.M.AyersL.E.Leetzow*W.E.BeakesK.C.Lerbs*R.C.BergerR.E.Levin*R.P.Bergin*I.LewinR.S.BergmanR.Low*R.C.Dahl*J.P.MarellaR.O.Daubach*G.McKeeK.J.DowlingS.W.McKnight*D.EllisD.C.Mertz**A.M.Foy*C.C.MillerP.J.Franck*B.MosherR.V.Heinisch*W.A.NewlandT.T.Hernandez*Y.Ohno*R.E.HoranD.W.Parkansky*J.HospodarskyD.N.RandolphD.E.Husby**D.RectorD.R.Jenkins*M.B.SapcoeJ.Jiao*D.C.Smith*M.A.KalkasR.C.Speck**D.KarambelasL.Stafford*M.KotrebaiG.A.SteinbergK.K.KruegerN.Stuffer**B.Kuebler*T.G.Yahraus*E.Ladouceur*J.X.Zhang*AdvisoryMember**HonoraryMember--`,```,,,,,,,```,```,,,,,`-`-`,,`,,`,`,,`---IESLM-80-08Contents1.0Scope..............................................................................12.0References..........................................................................12.1NormativeReferences............................................................12.1.1..........................................................................12.1.2..........................................................................12.2Non-NormativeReferences.......................................................12.2.1..........................................................................12.2.2..........................................................................12.2.3..........................................................................12.2.4..........................................................................12.2.5..........................................................................22.2.6..........................................................................22.2.7..........................................................................23.0Definitions...........................................................................23.1MeasurementUnits........................