產品 2B臭氧分析儀202型使用254nm紫外光吸收法，適用于監測大氣中的臭氧濃度，量程由1.5ppbv至100ppmv。分析儀特點高精度、體積細小、重量(4.7磅,2.1公升)及低電量消耗。備有遙控監測配件。 特點： 使用254nm紫外光吸收法 高精度及分解度，量程由1.5ppbv至100ppmv 低電量消耗，能以12VDC(5.0W)外置電源操作 DewLineTM技術減低水氣對儀器的干擾 模擬輸出0-2.5V 應用： 氣球及航空的大氣測量 建立城市監測網絡 個人及工作環境監測 工業生產中監測 產品規格： 操作原理 紫外光254nm燈 量程 1.5ppbv-100ppmv 精度 2% 采樣時間 10秒、1分鐘、5分鐘及1小時 記憶容量 20,480組 輸出 數碼顯示，0-2.5V，RS-232 流量 大約1L/min 尺寸/重量 90 210 290mm/4.7lb 電源 12VDC交流電 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.