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【英文标准名称】:StandardGuideforPredictionofAnalyzerSampleSystemLagTimes
【原文标准名称】:分析仪抽样系统迟延时间预测的标准指南
【标准号】:ASTMD7278-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D02.25
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:分析仪;预测;试样;时间;延时
【英文主题词】:
【摘要】:Theanalyzersamplesystemlagtimeestimatedbythisguidecanbeusedinconjunctionwiththeanalyzeroutputtoaidinoptimizingcontrolofblenderfacilitiesorprocessunits.Thelagtimecanbeusedinthetuningofcontrolprogramstosettheproperoptimizationfrequency.Theapplicationofthisguideisnotforthedesignofasamplesystembuttoestimatetheperformanceofexistingsamplesystems.Theprincipleslistedinthisguidearetheretohelpunderstanddesignconceptsandallowtheapplicationofthisguideforitsintendedscope.AdditionaldetailedinformationcanbefoundinthereferencesprovidedinthesectionentitledAdditionalReadingMaterial.1.1Thisguidecoverstheapplicationofroutinecalculationstoestimatesamplesystemlagtime,inseconds,forgas,liquid,andmixedphasesystems.1.2Thisguideconsidersthesourcesoflagtimefromtheprocesssampletap,tapconditioning,sampletransport,pre-analysisconditioningandanalysis.1.3Lagtimesareestimatedbasedonapredictionofflowcharacteristics,turbulent,nonturbulent,orlaminar,andthecorrespondingpurgerequirements.1.4Mixedphasesystemspreventreliablerepresentativesamplingsosystemlagtimesshouldnotbeusedtopredictsamplerepresentationofthestream.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_220_01
【页数】:9P.;A4
【正文语种】: