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Thermo Scientific™ Evolution™ 201/220 UV-Visible Spectrophotometers

Empower your analysis and bring versatility and productivity to your lab with the new Thermo Scientific™ Evolution 201 and 220 UV-Vis systems.

Manufacturer:  Thermo Scientific™ 912A0884

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Catalog No. 14-385-190

This item has been discontinued and is no longer available. Please call customer service for assistance: 1-800-766-7000.



New sales of this model have been discontinued. Please see the newest models: the Evolution One/One Plus Spectrophotometers.

For routine to research analysis, this instrument series offers real innovations that provide enhanced usability and performance - without added complexity. With straightforward software, cutting-edge instrumentation and a wide selection of accessories, the Evolution 201 and 220 systems work with you to perform experiments the way you want - for the results you need.

INSIGHT Software—Sophistication Simplified

  • Personalize your home screen for easy navigation and convenience
  • Workbook tools save time and ensure accurate results
  • CUE scripting allows creation of customized interface and simplified workflow

Optimized Engineering Delivers Ultimate Performance

  • Double-beam geometry with 1nm spectral bandwidth for precision measurements
  • Application Focused Beam Geometry (AFBG) technology enables the best performance from microcells, solid samples, and fiber optic probes
  • Xenon flash lamp requires no warm-up time allowing instant measurements
  • Electronic triggering provides the highest level of accuracy for rapid-mixing kinetics measurements
  • Precision monochromator drive delivers fast scanning data collection and wavelength accuracy

Powerful Convenience at your Fingertips

  • Color, touch screen provides instrument control using built-in computer
  • Integrated keypad allows communication with INSIGHT software
  • Choice of Local or PC configurations provides flexibility and convenience

Accessories for all your Sampling Needs

  • Wide accessory selection with various temperature control options, sample changers, sippers and solid sampling devices complete your analysis
  • Choice of Peltier Single Cell Holder or a Smart 8-Cell Peltier system for temperature control and sample monitoring from 0° to 100 °C
  • Easy software integration gives you complete control of your measurements

Assurance of System Performance

  • The Thermo Scientific UV Validator package provides support for system qualification and validation activities
  • Documentation facilitates compliance of your system with the requirements of FDA,GxP, ISO 9001:2000 and ISPE 2001 guidelines and regulations
  • Mercury Lamp accessory is available to perform instrument calibration
  • Thermo Scientific INSIGHT security software provides complete tools to meet 21 CFR Part 11 requirements


±0.0010 A, 200 to 800 nm, 1.0 nm SBW, smoothing
Dual Silicon Photodiodes
62.2 x 48.6 x 27.9 cm (24 x 19 x 11 in.)
Variable: 1.0 nm, 2.0 nm
190 to 1100 nm
100/240 V, 50/60 Hz selected automatically, 150 W maximum
7 years typical
AFBG Microcell optimized, AFBG Fiber optic optimized, AFBG Materials optimized
1 A: ±0.006A, 2 A: ±0.010 A, Measured at 440 nm
Microsoft Windows™ XP embedded. INSIGHT 2 Software is also compatible with Windows 7 and Windows 8.1 Professional Editions.
<1 to 6000 nm/min. (Variable)
±0.5 nm (541.9, 546.1 nm mercury lines), ±0.8 nm (full range 190 to 1100 nm)
≤0.05 nm (546.11 nm mercury line, SD of 10 measurements)
Evolution 220 Tablet Control Module US, CAN, JP
Evolution 220
Spectrophotometer plus Tablet Control Module - US, CAN, JP
<0.0005 A/hr., 500 nm, 1.0 nm SBW, 1 hr. warmup
Sealed membrane
0A: <0.00015A;
1A: <0.00025A;
2A: <0.00080A;
260nm, 1nm SBW, RMS
(Guaranteed Performance Specifications)
Resolution (toluene in Hexane): ≥1.8A
Photometric Accuracy (60 mg/L K2Cr2O7): ±0.010A
Stray Light: ≤1%T at 198nm: KCI; ≤0.05%AT at 220nm: Nal, Kl
Wavelength Accuracy: ±0.5nm 541.9, 546.1nm Hg emission lines, ±0.8nm full range
Wavelength Repeatability: ≤0.05nm, repetitive scanning of 546.1nm Hg emission line
-0.3 to 4.0A
±0.0002 A
Absorbance, % Transmittance, % Reflectance, Kubelka-Munk, log (1/R), log (Abs), Abs*Factor, Intensity
3 Years
10, 5, 2, 1.0, 0.5, 0.2, 0.1 nm
14.4 kg
Product Certifications


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