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【英文标准名称】:Uncertaintyofmeasurement—Part3:Guidetotheexpressionofuncertaintyinmeasurement(GUM:1995)
【原文标准名称】:测量的不确定性.第3部分:测量不确定性的表达指南(GUM-1995)
【标准号】:ISO/IECGUIDE98-3-2008
【标准状态】:现行
【国别】:国际
【发布日期】:
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【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1ThisGuideestablishesgeneralrulesforevaluatingandexpressinguncertaintyinmeasurementthatcanbefollowedatvariouslevelsofaccuracyandinmanyfields—fromtheshopfloortofundamentalresearch.Therefore,theprinciplesofthisGuideareintendedtobeapplicabletoabroadspectrumofmeasurements,includingthoserequiredfor:-maintainingqualitycontrolandqualityassuranceinproduction;-complyingwithandenforcinglawsandregulations;-conductingbasicresearch,andappliedresearchanddevelopment,inscienceandengineering;-calibratingstandardsandinstrumentsandperformingteststhroughoutanationalmeasurementsysteminordertoachievetraceabilitytonationalstandards;-developing,maintaining,andcomparinginternationalandnationalphysicalreferencestandards,includingreferencematerials.1.2ThisGuideisprimarilyconcernedwiththeexpressionofuncertaintyinthemeasurementofawell-definedphysicalquantity—themeasurand—thatcanbecharacterizedbyanessentiallyuniquevalue.Ifthephenomenonofinterestcanberepresentedonlyasadistributionofvaluesorisdependentononeormoreparameters,suchastime,thenthemeasurandsrequiredforitsdescriptionarethesetofquantitiesdescribingthatdistributionorthatdependence.1.3ThisGuideisalsoapplicabletoevaluatingandexpressingtheuncertaintyassociatedwiththeconceptualdesignandtheoreticalanalysisofexperiments,methodsofmeasurement,andcomplexcomponentsandsystems.Becauseameasurementresultanditsuncertaintymaybeconceptualandbasedentirelyonhypotheticaldata,theterm“resultofameasurement”asusedinthisGuideshouldbeinterpretedinthisbroadercontext.1.4ThisGuideprovidesgeneralrulesforevaluatingandexpressinguncertaintyinmeasurementratherthandetailed,technology-specificinstructions.Further,itdoesnotdiscusshowtheuncertaintyofaparticularmeasurementresult,onceevaluated,maybeusedfordifferentpurposes,forexample,todrawconclusionsaboutthecompatibilityofthatresultwithothersimilarresults,toestablishtolerancelimitsinamanufacturingprocess,ortodecideifacertaincourseofactionmaybesafelyundertaken.ItmaythereforebenecessarytodevelopparticularstandardsbasedonthisGuidethatdealwiththeproblemspeculiartospecificfieldsofmeasurementorwiththevarioususesofquantitativeexpressionsofuncertainty.*ThesestandardsmaybesimplifiedversionsofthisGuidebutshouldincludethedetailthatisappropriatetothelevelofaccuracyandcomplexityofthemeasurementsandusesaddressed.
【中国标准分类号】:A50
【国际标准分类号】:17_020
【页数】:132P.;A4
【正文语种】:英语