资源描述：
《ISA 71.01-1985 Environmental Conditions for PCS Temperature and Humidity》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、STANDARDISA–71.01–1985FormerlyISA–S71.01–1985EnvironmentalConditionsforProcessMeasurementandControlSystems:TemperatureandHumidityApproved15August1986TMISATheInstrumentation,–Systems,andAutomationSocietyISA-71.01-1985,EnvironmentalConditionsforProcessMeasurementandControlSystems:Temperaturea
2、ndHumidityISBN0-87664-894-4CopyrightË1985bytheInstrumentSocietyofAmerica.Allrightsreserved.PrintedintheUnitedStatesofAmerica.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans(electronic,mechanical,photocopying,recording,orotherwise),withoutth
3、epriorwrittenpermissionofthepublisher.ISA67AlexanderDriveP.O.Box12277ResearchTrianglePark,NorthCarolina27709PrefaceThisprefaceisincludedforinformationalpurposesandisnotpartofISA-71.01-1985.ThisstandardhasbeenpreparedaspartoftheserviceofISAtowardagoalofuniformityinthefieldofinstrumentation.T
4、obeofrealvalue,thisdocumentshouldnotbestatic,butshouldbesubjecttoperiodicreview.Towardthisend,theSocietywelcomesallcommentsandcriticisms,andasksthattheybeaddressedtotheSecretary,StandardsandPracticesBoard,ISA,67AlexanderDrive,P.O.Box12277,ResearchTrianglePark,NC27709,Telephone(919)549-8411,
5、e-mail:standards@isa.org.TheISAStandardsandPracticesDepartmentisawareofthegrowingneedforattentiontothemetricsystemofunitsingeneral,andtheInternationalSystemofUnits(SI)inparticular,inthepreparationofinstrumentationstandards.TheDepartmentisfurtherawareofthebenefitstoU.S.A.usersofISAstandardso
6、fincorporatingsuitablereferencestotheSI(andthemetricsystem)intheirbusinessandprofessionaldealingswithothercountries.Towardthisend,thisDepartmentwillendeavortointroduceSI-acceptablemetricunitsinallnewandrevisedstandardstothegreatestextentpossible.TheMetricPracticeGuide,whichhasbeenpublishedb
7、ytheInstituteofElectricalandElectronicsEngineersasANSI/IEEEStd.268-1982,andfuturerevisionswillbethereferenceguidefordefinitions,symbols,abbreviations,andconversionfactors.ItisthepolicyofISAtoencourageandwelcometheparticipationofallconcernedindividualsand
