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1、RECOMMENDEDPRACTICEISA–RP92.02.02,PartII–1998Installation,Operation,andMaintenanceofCarbonMonoxideDetectionInstruments(50-1000ppmFullScale)Approved15October1997TMISATheInstrumentation,–Systems,andAutomationSocietyISARP92.02.02,PartII1998,Installation,Operation,andMaintenanc
2、eofCarbonMonoxideDetectionInstruments(50-1000ppmFullScale)ISBN:1-55617-655-4Copyright©1998bytheInstrumentSocietyofAmerica.Allrightsreserved.PrintedintheUnitedStatesofAmerica.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmitted,inanyformorbyanymeans(
3、electronic,mechanical,photocopying,recording,orotherwise),withoutthepriorwrittenpermissionofthePublisher.ISA67AlexanderDriveP.O.Box12277ResearchTrianglePark,NorthCarolina27709PrefaceThispreface,aswellasallfootnotesandannexes,isincludedforinformationalpurposesandisnotpartofI
4、SA-RP92.02.02,PartII-1998.ThisrecommendedpracticehasbeenpreparedaspartoftheserviceofISA,theinternationalsocietyformeasurementandcontrol,towardagoalofuniformityinthefieldofinstrumentation.Tobeofrealvalue,thisdocumentshouldnotbestaticbutshouldbesubjecttoperiodicreview.Towardt
5、hisend,theSocietywelcomesallcommentsandcriticismsandasksthattheybeaddressedtotheSecretary,StandardsandPracticesBoard;ISA;67AlexanderDrive;P.O.Box12277;ResearchTrianglePark,NC27709;Telephone(919)990-9228;Fax(919)549-8288;E-mail:standards@isa.org.TheISAStandardsandPracticesDe
6、partmentisawareofthegrowingneedforattentiontothemetricsystemofunitsingeneral,andtheInternationalSystemofUnits(SI)inparticular,inthepreparationofinstrumentationstandards.TheDepartmentisfurtherawareofthebenefitstoUSAusersofISAstandardsofincorporatingsuitablereferencestotheSI(
7、andthemetricsystem)intheirbusinessandprofessionaldealingswithothercountries.Towardthisend,thisDepartmentwillendeavortointroduceSI-acceptablemetricunitsinallnewandrevisedstandards,recommendedpractices,andtechnicalreportstothegreatestextentpossible.StandardforUseoftheInternat
8、ionalSystemofUnits(SI):TheModernMetricSystem,publishedbytheAmericanSocietyforTesti
