光源:氘灯钨灯 单色器:低杂散光Czerny-Turner单色器,光栅刻线1200条/mm 谱带宽度:0.2~4nm 检测器:R928光电倍增管 吸光度范围: >4Abs 波长范围:190~900nm; 波长准确度:±0.2nm; 杂散光:<0.02%T(220nm,10g/L NaI ASTM方法) 噪声: <0.000085%T(0A,500nm) Light source: Deuterium lamp Tungsten Halogen lamp Monochromator: Czerny-Turner Grating groove: 1200 bar/mm Band width: 0.2~4nm Detector: R928 photomultiplier Range of absorbency: >4Abs Range of wavelength: 190~900nm Accuracy of wavelength: ±0.2nm Stray light : <0.02%T Noise: <0.000085%T |