UV/Vis Spectrophotometers

UVIKON XS Specifications
Wavelength range 190 - 1100 nm
Wavelength step 0.05 - 10 nm
Scan speed 5 - 2000 nm/min
Transfer speed 5000 nm/min
Spectral bandwidth 1.8 fixed
Wavelength accuracy
Holmium Oxide filter
10nm/min, 0.05nm step
± 0.3 nm
Wavelength precision
Holmium Oxide Filter. Shoulder at 444nm, 2nd wavelength 536.7nm. Speed 5000nm/min
± 0.03 nm
Baseline flatness.       200-800nm, 200nm/min, 1nm step <± 1 mAbs
Stray light
Nal (10g/i), 220 nm, 1sec
< 0.03 %T
Linearity
250 nm, 1 sec.
3.0 Abs, (r 2 >= 0.999)
Photometric range ± 3.5 Abs
Photometric accuracy. 1.0Abs certified filter,1sec, 590nm ± 3 mAbs
Photometric precision. 
1.0 Abs certified filter, 1sec, 590nm.
± 0.5 mAbs
Noise (RMS), measured at 580nm, 1sec, ASTM E 685 better than 30 µ Abs
Drift, 580nm, 1 sec after 2 hours warm up < 0. 1 mAbs/hr
Response time 0.02 - 5 sec
Light sources Deuterium and Tungsten-Halogen lamps
Monochromator High energy low stray light diffraction grating with 1300 lines/mm, 175 mm focal length
Dimensions 680 x 275 x 565 mm (W x H x D)
Weight 35 kg
All specifications may be subject to change for technical reasons.
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