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ID:41226538
大小:345.50 KB
页数:25页
时间:2019-08-19
《GasDetectionStrategies-SESHA:气体检测策略-色纱》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、GasDetectionStrategiesOverviewofSelectionCriteriaforGasDetectionSystemsHowdoIchoose?WhichGasDetectionTechnologyisbestformyapplication?Whatcriteriaisimportanttome?HowdoIunderstandthespecificationsthataregiventome?WhichTechnologyisBestformyApplication?Understandthattherearediffe
2、renttechnologiesformostgasesUnderstandthatsometechnologiesdonotworkforcertaingasesExamples:FTIRcannotdetectdiatomicmolecules(Cl2,Br2)Example:PaperTape(Chemcassettes)cannotdetectHydrogenWhichTechnologyisBestformyApplication?Developaselectioncriteriaanduseittoevaluatethedifferen
3、ttechnologiesMakesureyouarecomparingappleswithapples–manysupplierscalldatabythesamenamebutcalculateitdifferentlyDevelopingSelectionCriteriaQuestionstoConsiderBeforeWeBeginReviewFabMonitoringLocations--ToolExhaust--FabAmbientAir--VMB--GasCabinet--SubfabAmbient--PumpHousings--Pr
4、ocessProtectionApplicationsDoYouWanttheSameCriteriaforEachLocation?DevelopingSelectionCriteriaWhatisImportantfortheApplication(UsuallySameList/SometimesDifferentPriorities)SpecificitySpeedofResponseLowerDetectableLimitsReliabilityAccuracyCostofOwnershipInitialCostofCapitalInve
5、stmentDevelopingSelectionCriteriaEstablishaSpreadsheetforeachMonitoringApplication(Ambient,Exhaust,GasCabinet,etc.)ListyourCriteriaRankyourCriteriaSortyourlistbyRankEvaluateeachtechnologybythecriteriaChoosethetechnologythatbestmeetsyourneedsDevelopingSelectionCriteriaDevelopin
6、gSelectionCriteriaDevelopingSelectionCriteraYouMayAskYourself…….Specificity?SpeedofResponse?Reliability?Accuracy?LowerDetectibleLimits?WhatDoesDoTheseTermsReallyMeantoGasDetection?SpecificityNocrosssensitivitiestoothersubstancescommonlyusedinasemiconductorfabReviewmanufacturer
7、data–thisinformationshouldbepublishedandreadilyavailableBesuretoincludenontoxicsinyourreviewsuchascleaningsolvents!!!Theymayhaveundesirableeffectsonyourgasdetectionsystem.SpeedofResponseSpeedofresponseisthemostdifficultdatatocomparebetweentechnologiesSeveralfactorsaffectspeedd
8、ataDataoftenstateddifferentlyfromtechnologytotechnology,makes
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