hour Averaged Composite Fine Mass (CFM) and Unknown 24小時(shí)平均復(fù)合細(xì)質(zhì)（CFM）和未知的

IntroductiontoR&PCompany

andthe

TEOM?Series1400aContinuousPMMonitor

TimMorphyRupprecht&PatashnickCo.,Inc.25CorporateCircleAlbany,NY12203USAtmorphy@518-452-0065phAmbientAirMonitoringProductsTEOM?MassTransducer(1)Taperedelementoscillatesatitsnaturalfrequency(simpleharmonicoscillator).Particulatemattercollectsonfiltercontinuously.Frequencydecreaseswithaccumulationofmass.Directrelationshipbetweenmassandfrequencychange:Taperedelementphysicalcharacteristics(material,configuration,housing)chosensomasssensorcalibrationconstant(K0)hasinsignificantresponsetotemperature.(Forexample,thechangeinK0foraTEOMmonitoroperatingat30°Cand50°Cislessthan1%.)TaperedElementTEOM?MassTransducer(2)Equationdescribingtaperedelementisderivedfromphysicallaw.Notanapproximation.Approachsimilartolaboratorymicrobalanceinthatmassdetectedbysensorisresultofmeasurementofchangeinfundamentalphysicalparameter(e.g.,frequency,strain,displacement)Taperedelementtypicallykeptinconstantelevatedtemperature(user-selectable)environmenttoMinimizewaterinterferencefrombothsampleair-moisturecontentandparticle-associatedwaterProvidehighstabilityforreal-timemeasurementTaperedElementR&PCommercialProductsUsingTheTEOM?MassSensorTEOM?Series1400AmbientPMMonitorTEOM?Series7000SourcePMMonitorTEOM?Series1500PulseMassAnalyzerTEOM?Series4100/4200CombustionEfficiencyMonitorTEOM?Series1105DieselParticulateMonitorTEOM?Series1400aAmbient

ContinuousParticulateMonitorDirect,continuoustechniquefortrue

filter-basedmassmeasurementSuperiortimeandmassresolutionandprecision(hourlyprecision:±1.5μg/m3)Acceptedstandardforparticulatemonitoringworldwide(regulatory,research,remediation,specialstudies)USEPAEquivalentMethodEQPM1090-079forPM10,CACforPM2.5AustralianStandard,JIS(Japan),Taiwan,GermanTUVUSEPAFineMethodsStudy,ETVOver4000instrumentsdeployedworldwideinmajorairqualitynetworksTEOM?SensorUnitThreeindependenttemperaturecontrolzonesAmplifierboardmaintainstaperedelementoscillationTEOMfilterisTeflon?-coatedglass,12mm?10mcablesettocontrolunitPivotingmasstransducerallowseasyfilterexchangeSensorUnitwithDoorOpenFilterExchangeInsertionRemovalQualityAssurance/

QualityControl

MasscalibrationcheckbyfirstprinciplesMassCalibrationVerificationKit(NISTtraceable)LeakcheckprocedureStraight-forward,quickandeasyusingsuppliedflowauditadapterSensorchecksStreamlineTMProMultiCalforfieldtemperature,pressure,andflowauditsandcalibrations(NISTtraceable)TEOMmonitorisonlyfilter-basedcontinuousPMmonitorthatprovidesNIST-traceablemassandflowmeasurementmethodsMassCalibrationVerificationKitAvailablein1-filter(standard)and5-filterversionsTEOMLeakCheckRemovesampleinlet,andattachflowauditadapterToTEOMSensorUnitToTEOMControlUnitAudit/CalibrationSimultaneousNIST-Traceable,LinearMeasurementof:FlowRate(0.8to19l/min)AmbientTemperatureAmbientPressureFilterTemperature(optional)Menu-Driveninterface,DataLogging(Internaland/orOptionalPC-based)OptionalExternalTemperatureProbeforFilterTemperatureAudits/CalibrationsStreamlineTM

ProMultiCalSystemGoalsforPMQuantification

ContinuousPMMonitoringinAirQualityNetworksMatchtime-integratedreference(FRM)techniqueProviderepresentativeshort-termdataincombinationwithmeteorologicaldatatodeterminesourceofPMepisodes,AQIreporting,mapping,andforabatementstrategydevelopmentMinimizecross-interferencebyhumidity,thermodynamicconditions,chemicalcompositionMeasurementmethodsthatareNIST-traceableStatusofTEOM?MonitorMajorairmonitoringnetworksFrance,UnitedKingdom,Canada,UnitedStates(PM10andPM2.5),MainlandChina,HongKong,Australia,Santiago,MexicoCity,Madrid,Stockholm,Brussels,VancouverWorldwidemarketshareapproximately40-50%ofallPMcontinuousmonitors.Dataavailabilityoftengreaterthan95%(UKAURN:97+%).Approximately75%ofcontinuousmonitorsinUSregulatorymonitoringnetworkContinuingscientificadvancementofPMmeasurementsusingTEOMtechnologyHistoryofContinuousPMMonitoringatR&PTEOMSeries1200AmbientParticulateMonitorTEOMSeries1400aAmbientParticulateMonitorTEOMSeries1400aAmbientParticulateMonitoroperatedat30°CforwintertimemeasurementsoflightervolatilesHistory(cont.)TEOMSeries1400aAmbientParticulateMonitorwithSampleEquilibrationSystem(SES)operatedat30°Cyear-around(evenathigherambienttemperatureandrelativehumidity)DifferentialTEOMMonitortoprovideanexactingmeasurementoftheambientPMmassintheatmosphereFilterDynamicsMeasurementSystem(Series8500FDMS)tomeasurethecombinedvolatileandnon-volatilecomponentsofPMDifferentialTEOMMonitorFilter-basedTrueNISTtraceablemass

measurementNocalibrationuncertaintyNomeasurementuncertainty

fromvolatilelossNomeasurementuncertainty

fromfilterartifacts(gasadsorption/desorption,etc.)RealtimeFDMSSchematicDerivativeofDifferentialTEOMMonitorQuantifiescombinedvolatileandnon-volatilecomponentsofPMmassconcentrationIncorporatesTEOMmasssensortechnologyandspecially-configuredNafiondryerProvidesdeterminationofvolatilemassusingself-referencinggasconditioningschemeFDMSFieldData

Claremont,CA,TestSite,2-3Nov2001Comparisonwith

ReferenceMethod

PM2.5Series8500FDMSSystemSource:CaliforniaAirResourcesBoardApplicationsof

ContinuousPMMonitorsProvidecontinuousdailyintegrated“FRM”-likemeasurementsProviderepresentativeone-hourPMmeasurementsforpublicreporting(airqualityindex,mapping,forecasting)andhealtheffectsstudiesReducelaborandothercostsassociatedwithmanualsamplingmethodologiesWhereDoesThisLead?Challenge:identifycontinuousPMmonitoringmethodthatprovides“FRM”-likeintegratedresultsthatcanbeusedforregulatorypurposeswhileprovidingmeaningful,high-precisionshort-term(i.e.,hourly)dataRequiresblendingofregulatoryandscientificneedsForwardLookingStatementR&PiscommittedtosolvingPMmeasurementissuestoenablecontinuousmonitoringinareascontainingparticulatenitrateandvolatileorganiccompoundsInstrumentationisbasedonfirstprinciplestoprovidecalibrationbasedonscientificconsiderations(notempirically-derivedcalibrationfactors)foruniversalmeasurementconsistencyfromsitetositeCompanyCompetenciesResponsive,customer-orientedphilosophyMeetingtheneedsofclients,technicalsupportstaffISO9001certified,CE/ETLmarksConsistencyofinternalproceduresInnovativedesigncapabilitiesScientists,mechanical&electricalengineers,designersIntouchwithscientificdirectionsScientificmeetings,contactwithopinionleadersTechnicalSupportDistributor/representativenetworkR&PRegionalCompanyRepresentativesCustomerareaofWWWsite/customer(passwordprotected)TechnicaldocumentationOperating&servicemanuals,quickstartguides,technotesR&Pservicedepartment(support@rpco.com)Productspecialists,on-siteandin-housetrainingCompanyOverviewOver100employees,includingstrongin-housedesign,engineeringcapabilities,technicalapplicationsupportFirstinindustrywithISO9001certificationManufacturebothmanualsamplers(suchasPartisol)andcontinuouson-linemonitorsforambient,stack,dieselandresearchapplicationsCommittedtosuperiorproductperformancebydesign,andindustry-leadingserviceandsupport*CompanyMilestonesContractwith