尺寸 (长×高×宽) 622mm×381mm×438mm
Light source 150W ozone free vertically mounted xenon arc lamp
Excitation range 200 - 800 nm (Dual-FL UV)
Excitation monochromator Subtractive double monochromator
Excitation gratings 1200 gr/mm, 250 nm blaze
Excitation wavelength accuracy ±1 nm
Emission range 250 - 800 nm
Emission spectrograph Fixed, aberration-corrected 140 mm focal length
Emission grating 405 gr/mm; 250 nm blaze
Emission detector TE-cooled back-illuminated CCD
Emission integration time 5 ms minimum
Hardware pixel binning 0.41, 0.82, 1.64, 3.28 nm/pixel
CCD gain options 4.5 e-/cts in medium gain, 9 e-/cts in low gain
Sensitivity Water-Raman SNR > 20,000:1 (RMS method) (350 nm excitation, 30s integration)
Dimensions LWH (618 x 435 x 336 mm); (24" x 17" x 13")
Scanning range 230 - 800 nm (optical)
Optical system Corrected single beam
Wavelength accuracy ±1 nm
Wavelength repeatability +/- 0.5 nm
Photometric accuracy ±0.01 AU from 0 to 2A
Photometric stability <0.002 AU per h
Photometric repeatability +/- 0.002 AU (0 to 1 AU)
Stray light <1% measured with KI standard
它采用CCD作为荧光检测器,并内置UV-VIS光谱仪,可满足实验室对于UV-VIS的测定需求。
Dual-FL具有极快的光谱扫描速度,获取EEMs的速度较其它仪器快百倍;Dual-FL系统灵敏度极高(水拉曼S/N:20,000:1,RMS方法)。由于同时获得吸收数据,自动校正高浓度样品的荧光内滤效应。Dual-FL具有无与伦比的扫描速度和简单易用的操作软件,帮助用户轻松完成样品测定工作。
硬件:同时测定紫外-可见吸收光谱和三维荧光光谱仪;TE致冷CCD作为荧光检测器,获取数据速度比其它仪器快百倍;双级激发单色仪,高效抑制杂散光;相互匹配的吸收、荧光光谱带宽;校正的UV-VIS吸收检测光路,可获得高稳定和准确的吸收信号;自动样品切换(2和4位置);流通池和自动滴定分析仪。
软件:优化的实验设置菜单,用户配置最简化;NIST全套的性能验证测试;吸收和荧光的光谱和动力学工具;多种样品的自动顺序测量。