GasDetectionStrategies-SESHA：气体检测策略-色纱

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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