TM-21Calculator表格推荐下载.xlsx

TM-21Calculator表格推荐下载.xlsx

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ProjectingLongTermLumenMaintenanceofLEDLightSources.CalculatorresultshavebeenvalidatedbytheU.S.NationalInstituteofStandardsandTechnology（NIST）.Calculationsarelocked;

onlydataentrycellsmaybemodified.Calculatorinputsareenteredonthesecondtab,withinstructions.Thecalculatormaybeusedwithone,twoorthreecasetemperatures.InputtingvaluesonthesecondtabgeneratesacompleteTM-21reportontheReporttab.Questionsmaybedirectedtoluminairesenergystar.govorlampsenergystar.gov.TM-21InputsLM-80TestInputsInstructionsDescriptionofLEDLightSourceTested（manufacturer,model,catalognumber）TestedCaseTemperature1TestedCaseTemperature2TestedCaseTemperature3Yellowfieldsarecompletedbytheuser.Fieldsnotusedshouldbeleftblank.Cyanfieldsarecalculatedbasedonuserentries.First,enteradescriptionoftheLEDlightsourcetested.ThencompletethefieldslabeledLM-80TestingDetails.Testdurationmustbeatleast6,000hours.Ifonlyonecasetemperaturedatasetistobeused（nointerpolation）,completeonlyTestedcasetemperature1.Foronlytwocasetemperaturedatasets,complete1and2.Next,furthertotheright,inthecorrespondingbox（es）foreachtestedcasetemperature,enterthetestdataalongwiththetime（inhours）atwhicheachmeasurementwastaken.Dataenteredmustbenormalizedthenaveragedmeasureddata（perTM-21sections5.2.1and5.2.2）.Enterdrivecurrent,in-situtemperaturedataandthepercentageofinitiallumenstoprojecttointhefieldslabeledIn-SituInputs.Resultscanbetailoredtoestimatelumenmaintenanceataspecifictimebyenteringavalue（t）intheyellowfield.AcompleteTM-21reportwillappearonthenexttablabeledReport.Time（hours）LumenMaintenance（%）Time（hours）LumenMaintenance（%）Time（hours）LumenMaintenance（%）LM-80TestingDetailsTotalnumberofunitstestedpercasetemperature:

Numberoffailures:

Numberofunitsmeasured:

Testduration（hours）:

Testeddrivecurrent（mA）:

Testedcasetemperature1（Tc,C）:

Testedcasetemperature2（Tc,C）:

Testedcasetemperature3（Tc,C）:

In-SituInputsDrivecurrentforeachLEDpackage/array/module（mA）:

In-situcasetemperature（Tc,C）:

Percentageofinitiallumenstoprojectto（e.g.forL70,enter70）:

ResultsTime（t）atwhichtoestimatelumenmaintenance（hours）:

Lumenmaintenanceattime（t）（%）:

CalculatedLM（hours）:

ReportedLM（hours）:

TM-21ReportTable1:

ReportateachLM-80TestConditionTable2:

InterpolationReportDescriptionofLEDLightSourceTested（manufacturer,model,catalognumber）（projectionbasedonin-situtemperatureentered）Ts,1（C）-Ts,1（K）-1-Samplesize-Samplesize-Samplesize-B1-Numberoffailures-Numberoffailures-Numberoffailures-Ts,2（C）-DUTdrivecurrentusedinthetest（mA）-DUTdrivecurrentusedinthetest（mA）-DUTdrivecurrentusedinthetest（mA）-Ts,2（K）-Testduration（hours）-Testduration（hours）-Testduration（hours）-2-Testdurationusedforprojection（hourtohour）-Testdurationusedforprojection（hourtohour）-Testdurationusedforprojection（hourtohour）-B2-Testedcasetemperature（C）-Testedcasetemperature（C）-Testedcasetemperature（C）-Ea/kb-A-B-B-B-B0-CalculatedL70（Dk）（hours）-CalculatedL70（Dk）（hours）-CalculatedL70（Dk）（hours）-Ts,i（C）-ReportedL70（Dk）（hours）-ReportedL70（Dk）（hours）-ReportedL70（Dk）（hours）-Ts,i（K）-i-ProjectedL70（Dk）（hours）-ReportedL70（Dk）（hours）-ReportGeneratedBy:

Notes:

Company:

Date: