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气体分析仪的原理与应用Servoma.ppt

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ParamagneticParamagneticParamagnetic LED光源 光电池接收器ParamagneticParamagneticParamagneticParamagnetic Paramagnetic仕富梅磁氧技术用于........氧分析的原理氧的顺磁性磁氧传感器的类型磁风磁风测量室的特点QuinkecellQuinkecellfeaturesServomexparamagneticcellServomexnullbalancesystemMagneto-dynamiccellServomexcellfeaturesServomex Photometric TechnologiesServomex Photometric TechnologiesTransmissionTransmissionServomex Infrared TechnologySO2ServomexInfraredcell(SingleBeam,DualWavelength-SBDW)Whenthereferencefilterisinthebeam,thereisno absorptionbythetargetgasinthesample. Thisgivesazeroreading.Whenthemeasuringfilterisinthebeam,energyis absorbedbythetargetgasinthesample. Thisgivesthespanreading. Thedifferencebetweenthezeroandspansignalsisproportionaltotheconcentrationinthesample.DualBeamIRSensorsServomex Gfx(GasFilterCorrelation) TechnologyServomexGfx(GasFilterCorrelation)ServomexGasFilterCorrelation(Gfx)Whenthecellfilledwithreferencegas(nitrogen)isinthebeam,thereissomeabsorptionbythetargetgasinthesample. Thisisusedasazeroreading.Whenthecellfilledwiththe targetgasisinthebeam, energyisabsorbedbythetarget gasinthesample. Thisgivesthespanreading. Thedifferencebetweenthezero andspansignalsisproportional totheconcentrationinthesample.GasFilterCorrelationInfraredAbsorptionInfraredCOSensorsInfraredCOSensorsCrossSensitivityGasFilterCorrelation.IRSpectrumFineStructureIRSpectrumFineStructureBeamspectrumafterNOgasfilterIRSpectrumFineStructureGfxSensorConstructionGfxSensorConstructionGfxSensorConstructionGfxSensorConstructionGfxSensorConstructionGfxSensorConstructionGfxSensorConstructionGfxSensorConstructionGfxSensorMeasurementsGfxSensorMeasurementsGfxSensorMeasurementsGfxSensorMeasurementsNO,IRfilterandwatervapourspectraPrincipleofoperationServomex SoftUV* TechnologyServomexSoftUltraVioletcellTransmissionWhenthereferencefilterisinthebeam,thereisno absorptionbythetargetgasinthesample. Thisgivesazeroreading.Whenthemeasuringfilterisinthebeam,energyis absorbedbythetargetgasinthesample. Thisgivesthespa