Feature:1.Withholographicflashinggrating.2.Highw***elengthprecision.3.Goodmonochromaticityandlowstraylight.4.Samplecompartmentfor0.5cm~5cmcells.5.Computercontrolsystem,preciseautomaticT/Achangeover.6.Automaticzeroandfullscaleadjustment.7.Directconcentrationread-outandconcentrationfactorsettingfunction.8.PrintercanbeconnectedanddatacanbesenttoPCbyspecialsoftware.9.Automaticswitchingoffungstenhalogenlampanddeuteriumlamp.TechnicalSpecificationNoNameParameterRemark1W***elengthRange200nm~800nm2W***elengthAccuracy≤2nm3W***elengthRepeatability≤1nm4Tran***ittanceAccuracy&plu***n;0.5%T(NBS930D)5Tran***ittanceRepeatability≤0.2%T6SpectrumBandwidth5nm7StragLight≤0.5%T(at220nm,Nal)8LightCurrentDrift≤0.5%T/3min9DarkCurrentDrift≤0.2%T/3minStandardConfigurationNoNameUnitQty1MainInstrumentSet12Filter(forusefrom330nm~370nm)pc13QuartzCell(10mm)pc24PwerCablepc15Fuse(2.5A)pc56Wrenchpc1OptionalAccessories:1.GlassCell(10mm)2.QuartzCell(10mm)3.CellHolder(10mm)4.Tungsten-halogenlamp(12V30W)5.DeuteriumLamp6.Printer)