UV-1900: UV-VIS Spectrophotometer

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Specifications

Wavelength range
190 to 1,100 nm
Spectral bandwidth
1 nm (190 to 1,100 nm)
Wavelength display
0.1 nm increments
Wavelength setting
0.1 nm increments
(1 nm 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 14,500 nm/min
Wavelength scanning speed
3,000 to 2 nm/min
29,000 nm/min when survey scanning
Lamp interchange wavelength
Automatic interchange linked to wavelength.
The interchange wavelength can be set freely in the range of 295 to 364 nm (0.1 nm increments).
Stray light
Less than 0.02% at 220 nm (NaI)
Less than 0.02% at 340 nm (NaNO2)
Less than 0.5% 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
(measured using NIST930D/NIST1930 or equivalent.)
Photometric repeatability
Less than ± 0.0002 Abs at 0.5 Abs
Less than ± 0.0002 Abs at 1 Abs
Less than ± 0.001 Abs at 2 Abs
Baseline stability
Less than 0.0003 Abs/Hr (700 nm, 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 ON)
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
LO-RAY-LIGH grade blazed holographic grating in Czerny-Turner mounting
Detector
Silicon photodiode
Sample compartment
Internal dimensions: W110 × D250 × H115 mm
Distance between light beams: 100 mm
Power requirements
AC100,120,220,230,240 V,
50/60 Hz, 140 VA
Environmental requirements
Temperature: 15°C to 35°C
Humidity: 30% to 80%
(without condensation; 70% max. at 30°C or higher)
Dimensions
W450 × D501 × H244 mm
Weight
16.6 kg
Output device
USB memory (optional)
Data files saved in text format or
UVPC format.
UVPC-format files can be read directly
by UVProbe and LabSolutionsTM UV-Vis.
PC compatibility
UVProbe software (standard)
LabSolutions UV-Vis software (optional)
External control possible via USB.
Display
24-bit color touch screen
Supported languages
Japanese, English, Chinese, Spanish
(Mexico), Portuguese (Brazil).
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