Beijing Beifen-Ruili Analytical Instrument (Group) Co.,Ltd. Beijing Rayleigh Analytical Instrument Co., Ltd UV/VISUV-1601UV/VIS Spectrophotometer U V-1800UV/VIS Spectrophotometer ♦ Working Mode: ♦ Photometric Range: ♦ Stray Light: ♦ Baseline Flatness: ♦ Stability: ♦ Noise: Display: Detector: Power: Dimensions: Weight: FEATURES: ♦ Wide wavelength range, satisfying requirements of various fields. ♦ The split-beam ratio monitoring system provides accurate measurements and enhances baseline stability. ♦ Four options for spectral bandwidth selection, 5nm, 4nm, 2nm and Inm, made according to customer’s need and satisfying the requirements of pharmacopoeia. ♦ Fully automated design, realizing easy measurement. ♦ Optimized optics and large scale integrated circuits design, light source and receiver from world famous manufacturer, all add up to high performance and reliability. ♦ Rich measurement methods, wavelength scan, time scan, multi-wavelength determination, multi-order derivative determination, double-wavelength method and triple-wavelength method etc., meet different measurement requirements. ♦ Automatic 10mm 8-cell holder, changeable to automatic 5mm-50mm 4-position cell holder for more choices. ♦ Data output can be obtained via a printer port. ♦ Parameters and data can be saved in case of power failure for user’s convenience. ♦ PC controlled measurement can be achieved via RS-232 interface (USB port) for more accurate and flexible requirements. SPECIFICATIONS: ♦ Wavelength Range: 190-1100nm ♦ Spectral Bandwidth: 2nm (5nm, 4nm, Inm optional) ♦ Wavelength Accuracy: ±0.3nm ♦ Wavelength Reproducibility: 0.15nm ♦ Photometric System: Split-beam ratio monitoring; Auto scan; Dual detectors ♦ Photometric Accuracy: ±0.3%T (0-100%T) ±0.002A(0~0.5A) ±0.004A(0.5A~ 1 A) T, A, C, E -0.3-3 A £0.1%T(Nal, 220nm, NaN02 340nm) ±0.002A 0.001A/30min (at 500nm, after warming up) ±0.001 A (at 500nm, after warming up) 6 inches high light blue LCD Silicon photodiode AC: 220V/50HZ, 110V/60HZ, 180W 630x470x210mm 26kg FEATURES: ♦ Scan type, single beam spectrophotometer with wide wavelength range, satisfying requirements of various fields. ♦ Three options for spectral bandwidth selection: 5nm, 2nm and 1 nm, made according to customer's need and satisfy the requirements of pharmacopoeia. ♦ Standard manual 4-cell holder accommodates cells from 5-50mm and changeable to long path length cell holder of 100mm. ♦ Optimized optics and electronics design, light source and detector from the world famous manufacturer ensure high performance and reliability. ♦ Rich measurement methods: wavelength scan, time scan, multi-wavelength determination, multi-order derivative determination, double-wavelength method and triple-wavelength method etc., meet different measurement requirements. ♦ Data output can be obtained via a printer port. ♦ Parameters and data can be saved in case of power failure for user’s convenience. ♦ PC controlled measurement can be achieved via RS-232 interface (USB port) for more accurate and flexible requirements. ♦ Wavelength Reproducibility: 0.2nm ♦ Monochromator: Single beam, plane grating Photometric Reproducibility: 0.2%T Working Mode: T, A (-0.3-3A), C, E after warming up) Detector: silicon photo-diode Display: 6 inches high light blue LCD