产品 2B臭氧分析仪202型使用254nm紫外光吸收法，适用于监测大气中的臭氧浓度，量程由1.5ppbv至100ppmv。分析仪特点高精度、体积细小、重量(4.7磅,2.1公升)及低电量消耗。备有遥控监测配件。 特点： 使用254nm紫外光吸收法 高精度及分解度，量程由1.5ppbv至100ppmv 低电量消耗，能以12VDC(5.0W)外置电源操作 DewLineTM技术减低水气对仪器的干扰 模拟输出0-2.5V 应用： 气球及航空的大气测量 建立城市监测网络 个人及工作环境监测 工业生产中监测 产品规格： 操作原理 紫外光254nm灯 量程 1.5ppbv-100ppmv 精度 2% 采样时间 10秒、1分钟、5分钟及1小时 记忆容量 20,480组 输出 数码显示，0-2.5V，RS-232 流量 大约1L/min 尺寸/重量 90 210 290mm/4.7lb 电源 12VDC交流电 The2BTechnologiesModel202OzoneMonitor isdesignedtoenableaccurateandprecisemeasurementsofozonerangingfromlowppb(precisionof~1ppb)upto100,000ppb(0-100ppm)basedonthewellestablishedtechniqueofabsorptionofUVlightat254nm. TheModel202OzoneMonitor islightweight(4.7lb.,2.1kg.)andhasalowpowerconsumption(12VDC,0.33amp,4.0Watt)relativetoconventionalinstrumentsandisthereforewellsuitedforapplicationssuchas: Verticalprofilingusingballoons,kites,RPVsandlightaircraftwherespaceandweightarehighlylimited Long-termmonitoringatremotelocationswherepowerishighlylimited Urbanarraysofground-baseddetectors Personalexposuremonitoringforstudiesofhealtheffectsofairpollutants Environmentalhealthandsafetymonitoring Laboratorystudiesoftheeffectsofozoneexposureonmaterialsandorganisms TheModel202hasbeendesignatedbytheEPAasaFederalEquivalentMethod(FEM):EQOA-0410-190. Options FlashCardMemoryforvirtuallyunlimited,portabledatastorage GPSforcontinuousloggingoflatitude,longitudeandaltitude Rechargeablemetalhydridebatteryprovides12hrofcontinuousoperation Externalparticlefilter Serial-to-USBadapter Rotaryvaneairpumpforlowtemperatureandquietoperation Externalairpumpforlongpumplife Specifications MeasurementPrinciple UVAbsorptionat254nm LinearDynamicRange 1.5ppbto250ppm Resolution 0.1ppb Precision(1 ;rmsnoise) Greaterof1.5ppbor2%ofreading Accuracy Greaterof1.5ppbor2%ofreading LimitofDetection(2 ) 3.0ppb NIST-TraceableCalibration Yes MeasurementInterval 10s(Dataaveragingoptions:10s,1min,5min,1hr) FlowRate(nominal) ~1Liter/min FlowRateRequirement 0.6L/min BaselineDrift 2ppb/day 5ppb/year SensitivityDrift 1%/day 3%/year MeasurementTime,Frequency 10s,0.1Hz ResponseTime,100%ofStepChange 20s,2points AveragingTimes 10s,1min,5min,1hr DataStorage 14,336lines(10savg.=1.4days;5minavg=1.4mo.) OzoneUnits ppb,ppm,pphm, gm-3,mgm-3 PressureUnits mbar,torr TemperatureUnits C,K TandPCorrected Yes OperatingTemperatureRange 0to50 C;-20to50 Cwithlowtemperaturemodifications(rotaryvanepumpandlampheater) OperatingAltitudeRange ~0-30km(~30-1000mbar) PowerRequirement; Suppliedbybatteryor110/220VACPowerPack 12Vdcor120/240Vac,335mA,4.0watt(2.9wattwithcellheaterunplugged) Size 3.5x8.5x11inches(9x21x29cm) Weight 4.7lb(2.1kg);1.6lb(0.7kg)withoutinstrumentcase DataLoggerCapacity 14,336lines(10savg.=1.4days;1minavg=10days;5minavg=1.4mo; 1hravg=1.6yr AnalogInputsforInternalLoggingofOtherInstruments 3AnalogInputs,0-2.5V;ForexamplecouldlogexternalT,PandRH DataOutputs RS232,0-2.5VAnalog,LCDDisplay;ExternalUSBConverter:(Optional4-20mACurrent;requestquote) DataTransferBaudRates 1200,2400,4800,19200 OutputRanges UserDefinedScalingFactorinMenu DewLine Yes BackupAirPump Yes FlowMeter Yes Options GPS,FlashCardMemory,4-20mACurrentOutput;LampHeater;RotaryVaneAirPump;Long-LifeExternalAirPump;RackMountCase UpgradabletoModel205DualBeam Yes SystemIncludes Model202OzoneMonitor ACPowerAdapter(100-240VACto12VDC) withCountry-SpecificPlug CigaretteLighterAdapter BatteryWireConnector ZeroingCartridge OperationManualonCD CalibrationDataandNIST-TraceableCalibrationCertificate InstrumentBirthCertificate OneYearWarranty TodownloadabrochuredescribingtheModel202OzoneMonitor (PDFformat),clickonthedownloadbuttonbelow.