lambda950紫外可见近红外分光光度计介绍.ppt

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1、Lambda950紫外/可见/近红外分光光度计介绍1高档紫外的应用玻璃建筑玻璃汽车玻璃光学系统太阳眼镜隐形眼镜光学镀膜薄膜/镀膜激光/焊接保护玻璃半导体液晶晶体纸张衣料/织物粉末油漆墨水化妆品分散液塑料包装材料陶瓷宝石土壤/地质食品生物制剂2高端Lambda650/850/950系列产品PricePerformanceLambda950Lambda850Lambda6503Lambda650/850/950-产品差别StdStdNoSampleandReferenceBeamAttenuatorsPeltier-controlledPbsNo

2、NoNIRDetectorR6872gridlessR6872gridlessR955PhotomultiplierDetector(UV/Vis)8A8A6APhotometricRange≤0.20nmNIRResolution≤0.05nm≤0.05nm≤0.17nmUV/VisResolution175–3300nm175–900nm190–900nmWavelengthRangeLambda950Lambda850Lambda650~$60K~$50K~$30KPricePoint(basesystem)4仪器结构–技术一览5Lambda

3、950光路6Lambda950内部Pre-alignedforfastreplacementandmaximumuptime（光源）Forultra-lowstraylightperformance（两个光栅）PreciseAdjustmentofbeamheight（狭缝）Correctsforinherentinstrumentpolarization（消偏器）4-segmentdesignincreasesmeasurementaccuracy（斩波器）Forsensitiveandaccuratemeasurementsonhighlyab

4、sorbingsamples（光束衰减器）LargestsamplecompartmentintheIndustry（样品仓）Providefull-rangeUV/Vis/NIRcoveragefrom175–3300nm（紫外可见检测器R6872）Secondsamplingareahousesarangeofsnap-inmodules（近红外检测器PbS)7Lambda950扫描模拟扫描3300–175nm894分区切光器4扇区切光器CSSC*(*ChopperSegmentSignalCorrection)保证了波长精度达到+/-0.08

5、nm,同时保证了在读取数据的瞬时光栅的稳定性10Lambda切光器示范Lambda切光器示范1112性能指标≤0.00500A≤0.00300APhotometricNoiseRMS3A,1500nm+/-0.001A+/-0.0008A+/-0.0008A+/-0.0008ABaselineFlatness7A8A8A6APhotometricRange≤0.020nm≤0.00008%T≤0.00008%T≤0.00008%T≤0.20nm≤0.05nm175–3300nmLambda900≤0.020nm≤0.020nm≤0.060nmWav

6、elengthReproducibility(UV/Vis)≤0.00007%T≤0.00007%T≤0.0001%TStraylightat370nm≤0.00007%T≤0.00007%T≤0.0001%TStraylightat340nm≤0.00007%T≤0.00007%T≤0.0001%TStraylightat220nm≤0.20nmNIRResolution≤0.05nm≤0.05nm≤0.17nmUV/VisResolution175–3300nm175–900nm190–900nmWavelengthRangeLambda950

7、Lambda850Lambda650Allabovespecificationsareguaranteed!13典型值与保证值保证值“Guaranteed”是每台出厂仪器都绝对能达到的指标典型值“Typical”是基于出厂测试平均值的4-sigma(标准偏差)指标例如:≤0.0015%T≤0.00065%T≤0.0015%TStayLightat1690nm≤0.00040%T≤0.00032%T≤0.00040%TStayLightat1420nm≤0.00008%T≤0.00008%T≤0.00008%TLambda900≤0.00003%T≤

8、0.00007%TStraylightat370nm≤0.00002%T≤0.00007%TStraylightat340