Beckman DU730

UV-Vis Spectrophotomete:
Operating Mode Absorbance and Transmittance (%T)
Source Lamp Deuterium (UV) and Tungsten (visible)
Wavelength Range 190 to 1100 nm
Wavelength Accuracy ± 1 nm from 200 to 900 nm
Wavelength Calibration Automatic
Scanning Speed Depending on selected resolution (100-4500 nm/min)
Wavelength Resolution Selectable Interval (0.1, 0.2, 0.5, 1.0, 2.0, and 5.0 nm)
Spectral Bandwidth < 3 nm
Photometric Readout -0.3 to 3.0 Å or 0.1 to 100 %T
Photometric Accuracy ± 0.005 Å at 0.0 to 0.5 Å 1% at 0.5 to 2.0 Å
Photometric Linearity < 0.5% at 2.0 Å < 1% at > 2.0 Å
Stray Light > 3.3 Å or < 0.05%T with KI-solution at 220 nm
Width 45 cm (17.7 in)
Height 20 cm (7.9 in)
Depth 50 cm (19.7 in)
Weight 15.5 kg (34.2 lbs)
Operating Requirements 10 to 40°C (50 to 104°F), max. 90% relative humidity (non-condensing)
Power and Interface Connections Power 100 to 120 V; 200 to 240 V; 50/60 Hz; automatic changeover
Ports USB 1.1