Hitachi High-Tech U-1900 UV-Vis Spectrophotometer

Description

Wavelength range: 190 to 1100 nm Spectral bandwidth: 4 nm Stray light: 0.05% or less Wavelength accuracy: ±0.5 nm Wavelength repeatability: ±0.3 nm Photometric range: -3 to 3 Abs, 0 to 300% T, 0.000 to 9.999 Conc Photometric accuracy: ±0.002 Abs (0 to 0.5 Abs), ±0.004 Abs (0.5 to 1.0 Abs), ±0.3% T Photometric repeatability: ±0.001 Abs (0 to 0.5 Abs), ±0.002 Abs (0.5 to 1.0 Abs), ±0.15% T Wavelength scan speed: 10, 100, 200, 400, 800, 1200, 2400, 3600 nm/min Baseline stability (at 500 nm): 0.0004 Abs/h Noise (at 500 nm): ±0.00015 Abs Basline flatness (200 – 950 nm): ±0.002 Abs Light source: Tungsten and deuterium Light source changeover: Auto (at 340 nm) Detector: Silicon photidiode Dimensions (WxDxH): 380 x 643 x 311 nm Weight: 27 kg Including UV Solutions 4.2 software