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UV/Vis spectrophotometer, Evolution™ 201

Supplier: Thermo Scientific
The Evolution 201 deliver high performance data and enhanced user experience.

  • Workbook tools to save time and ensure accurate results
  • Double-beam geometry with 1 nm spectral bandwidth for precision measurements
  • Electronic triggering for high accuracy during rapid-mixing kinetics measurements



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Description Model Pk VWR Catalog Number Quantity
UV/Visible spectrophotometer Evolution™ 201 1 634-0953
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Monochromator Czerny-Turner
Optical design Sample and reference cuvet positions
Detector Dual silicon photodiode
Display Colour touch screen
Absorbance range 0,0 - 3,5 A
Absorbance accuracy ±0,004 A @ 0,5 A ; ±0,006 A @ 1 A ; ±0,010 A @ 2 A
Noise (RMS) (A) ≤0,00015 A @ 0 A ; ≤0,00050 A @ 1 A ; ≤0,00080 A @ 2 A
Stray light 1,0 % T @ 198 nm (KCl) = 0,005 % T @ 220 nm (NaI) up to 0,05 % T @ 340 nm (NaNO₂)
Wavelength range (nm) 190 − 1100 nm
Wavelength accuracy ±0,8 nm (190 - 1100 nm) ; ±0,5 nm (546,11 nm mercury line)
Wavelength repeatability =0,1 nm
Scanning speed 1 - 6000 nm:minute
Light source Xenon flash
Electrical 100 - 240 V/50 - 60 Hz
Keyboard Integrated keypad allows communication with INSIGHT software
W×D×H 622×486×279 mm
Weight 1440 g
Standard cell holder Smart eight-cell Peltier system


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Description Pk VWR Catalog Number Quantity
Linear 8-cell changer, plug-and-play, thermostatted 1 SPET840-219000
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