Specifications: Wavelength range: 190 to 800 nm Accuracy of length of ondaWavelength accuracy: +/- 1 nm Range of linearity * 5% at 2.0 AU, propylparaben, at 256 nm Spectral resolution: 1.2 nm Base noise: +/- 1.5' 10-5 AU peak-to-peak, dry, at 254 nm Deviation: 1' 10-3 AU/hour at 254 nm (after warmup) Flow cells: Pathlength Tubing Ambient temperature 4 to 40 °C (39 to 104 °F), does not vary more than 1 °C per hour (to prevent drift) Relative humidity: 20 to 80%, non-condensing Width of bench space: 11.5 in. (29 cm) Depth: 24 in. (61 cm) Height: 8.5 in. (22 cm) Power, 100 to 240 Vac Weight: 14.3 kg