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【英文标准名称】:StandardGuideforAssessmentofMeasurementUncertaintyinFireTests
【原文标准名称】:评估防火试验中不确定度测量用的标准指南
【标准号】:ASTME2536-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E05.31
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:firetest;firetestlaboratory;measurand;measurementuncertainty;quality;Firetesting;Measurand;Measurementuncertainty
【摘要】:Usersoffiretestdataoftenneedaquantitativeindicationofthequalityofthedatapresentedinatestreport.Thisquantitativeindicationisreferredtoasthex201C;measurementuncertaintyx201D;.Therearetwoprimaryreasonsforestimatingtheuncertaintyoffiretestresults.ISO/IEC17025requiresthatcompetenttestingandcalibrationlaboratoriesincludeuncertaintyestimatesfortheresultsthatarepresentedinareport.Firesafetyengineersneedtoknowthequalityoftheinputdatausedinananalysistodeterminetheuncertaintyoftheoutcomeoftheanalysis.1.1ThisguidecoverstheevaluationandexpressionofuncertaintyofmeasurementsoffiretestmethodsdevelopedandmaintainedbyASTMInternational,basedontheapproachpresentedintheGUM.Theuseinthisprocessofprecisiondataobtainedfromaroundrobinisalsodiscussed.1.2Theguidelinespresentedinthisstandardcanalsobeappliedtoevaluateandexpresstheuncertaintyassociatedwithfiretestresults.However,itmaynotbepossibletoquantifytheuncertaintyoffiretestresultsifsomesourcesofuncertaintycannotbeaccountedfor.ThisproblemisdiscussedinmoredetailinAppendixX2.1.3Applicationofthisguideislimitedtoteststhatprovidequantitativeresultsinengineeringunits.Thisincludes,forexample,methodsformeasuringtheheatreleaserateofburningspecimensbasedonoxygenconsumptioncalorimetry,suchasTestMethodE1354.1.4Thisguidedoesnotapplytoteststhatprovideresultsintheformofindicesorbinaryresults(forexample,pass/fail).Forexample,theuncertaintyoftheFlameSpreadIndexobtainedaccordingtoTestMethodE84cannotbedetermined.1.5Insomecasesadditionalguidanceisrequiredtosupplementthisstandard.Forexample,theexpressionofuncertaintyofheatreleaseratemeasurementsatlowlevelsrequiresadditionalguidanceanduncertaintiesassociatedwithsamplingarenotexplicitlyaddressed.1.6Thisfirestandardcannotbeusedtoprovidequantitativemeasures.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:C80
【国际标准分类号】:13_220_40
【页数】:11P.;A4
【正文语种】:英语