Descriptionfor Beckman DU 640B UV/Vis Spectrophotometer
Beckman DU640 is the full featured scanning UV/Vis spectrophotometer with a stable beam optical design with an extended wavelength range from 190 to 1100 nm and bandpass of 1.8 nm. Specifications Wavelength Range 190 to 1100 nm Wavelength Setability 0.1 nm increments Wavelength Accuracy ± 0.2 nm Wavelength Repeatability ± 0.1 nm Spectral Bandwidth ¡Ü 1.8 nm Photometric Readout - 0.300 to 3.000 A or 0.0 to 200.0% T Photometric Accuracy ± 0.005 A RMS Noise < 0.0002 A RMS Stray Light < 0.05% T Stability < 0.003 A/hr RMS Baseline Flatness ± 0.001 A Scanning Speeds 120, 240, 600, 1200, 2400 nm/minute Data Collection Rate 20 samplings/second
Additional Detailsfor Beckman DU 640B UV/Vis Spectrophotometer
