Spectrophotometer (Double Beam)

Product Description

• Wavelength range 190 to 1,100 nm
• Spectral bandwidth 1 nm (190 to 1,100 nm)
• Wavelength display 0.1nm increments
• Wavelength setting 0.1nm increments (1nm increments when setting scanning range)
• Wavelength accuracy ± 0.1 nm at D2 peak 656.1 nm,± 0.3 nm for entire range
• Wavelength repeatability ± 0.1 nm
• Wavelength slew rate About 6,000 nm/min
• Wavelength scanning speed 3,000 to 2 nm/min
• Lamp interchange wavelength Automatic interchange linked to wavelength.
• The interchange wavelength can be set freely in the range of 295 to 364 nm (0.1nm increments).
• Stray light Less than 0.02% at 220 nm (NaI) Less than 0.02% at 340 nm (NaNO2) Less than 1.0% at 198 nm (KCl)
• Photometric system Double beam optics
• Photometric range Absorbance: -4 to 4 Abs
• Transmittance: 0% to 400%
• Photometric accuracy ± 0.002 Abs at 0.5 Abs ± 0.004 Abs at 1.0 Abs ± 0.006 Abs at 2.0 Abs
• Photometric repeatability Less than ± 0.001 Abs at 0.5 Abs Less than ± 0.001 Abs at 1 Abs Less than ± 0.003 Abs at 2 Abs
• Baseline stability Less than 0.0003 Abs/Hr (700nm, one hour after light source turned on)
• Baseline flatness Less than ± 0.0006 Abs (1,100 to 190 nm, one hour after light source turned
• Noise level Less than 0.00005 Abs (700 nm)
• Light source 20-W halogen lamp and deuterium lamp
• Built-in light source auto position adjustment
• Monochromator Blazed holographic grating in
• Czerny-Turner mounting
• Detector Photodiode
• Complete with all accessories, Operating manual, spare fuses & 10 rectagulat silica glass cells.
• Power requirements : Ac 220-230 V , 50 Hz.