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1、IESLM-79-08ApprovedMethod:ElectricalandPhotometricMeasurementsofSolid-StateLightingProductsIESLM-79-08Copyright2008bytheIlluminatingEngineeringSociety.ApprovedbytheIESBoardofDirectorsDecember31,2007,asaTransactionoftheIlluminatingEngineeringSociety.Allrightsreserve
2、d.Nopartofthispublicationmaybereproducedinanyform,inanyelectronicretrievalsystemorotherwise,withoutpriorwrittenpermissionoftheIES.PublishedbytheIlluminatingEngineeringSociety,120WallStreet,NewYork,NewYork10005.IESStandardsandGuidesaredevelopedthroughcommitteeconsen
3、susandproducedbytheIESOfficeinNewYork.Carefulattentionisgiventostyleandaccuracy.Ifanyerrorsarenotedinthisdocument,pleaseforwardthemtoRitaHarrold,DirectorEducationalandTechnicalDevelopment,attheaboveaddressforverificationandcorrection.TheIESwelcomesandurgesfeedbacka
4、ndcomments.ISBN#978-0-87995-226-6PrintedintheUnitedStatesofAmerica.DISCLAIMERIESpublicationsaredevelopedthroughtheconsensusstandardsdevelopmentprocessapprovedbytheAmericanNationalStandardsInstitute.Thisprocessbringstogethervolunteersrepresentingvariedview-pointsand
5、intereststoachieveconsensusonlightingrecommendations.WhiletheIESadministersthepro-cessandestablishespoliciesandprocedurestopromotefairnessinthedevelopmentofconsensus,itmakesnoguarantyorwarrantyastotheaccuracyorcompletenessofanyinformationpublishedherein.TheIESdiscl
6、aimsliabilityforanyinjurytopersonsorpropertyorotherdamagesofanynaturewhatsoever,whetherspecial,indirect,consequentialorcompensatory,directlyorindirectlyresultingfromthepublication,useof,orrelianceonthisdocumentInissuingandmakingthisdocumentavailable,theIESisnotunde
7、rtakingtorenderprofessionalorotherservicesfororonbehalfofanypersonorentity.NoristheIESundertakingtoperformanydutyowedbyanypersonorentitytosomeoneelse.Anyoneusingthisdocumentshouldrelyonhisorherownindependentjudgmentor,asappropriate,seektheadviceofacompetentprofessi
8、onalindeterminingtheexerciseofreasonablecareinanygivencircumstances.TheIEShasnopower,nordoesitundertake,topoliceorenforcecompliancewiththecontent