The Thermo Scientific™ Evolution™ One/One Plus UV-Vis Spectrophotometer series provides dependable and compatible hardware, a broad selection of accessories, and practical, easy-to-learn Thermo Scientific™ Insight™ Pro Software for routine, complex research and advanced applications, including current compliance.

Evolution™ One/One Plus UV-Vis Spectrophotometers. Image Credit: Thermo Fisher Scientific - UV-Vis Spectroscopy
Product Overview
This instrument range offers real advancements that improve usability and functionality without adding complexity. The Evolution One and One Plus UV-Vis Spectrophotometers' sophisticated instrumentation, user-friendly software, and wide selection of accessories allow users to conduct experiments as needed and acquire the necessary results.
Optimized Engineering Delivers Ultimate Performance
- Leverage Application Focused Beam Geometry (AFBG) technology (Evolution One Plus only) to achieve the best performance with microcells, solid samples, and fiber optic probes.
- The xenon flash bulb allows for instant measurements, as it does not require time to warm up.
- A double-beam arrangement with either an adjustable spectral bandwidth or a fixed one nm spectral bandwidth is offered.
- Users can fulfill their needs for chemical, materials science, or biological samples and measurements with a wide range of accessories.
Insight Pro Software – Easy-to-Learn, Easy-to-Use
- Avoid expensive sampling and measurement errors: Customized User Environment (CUE) allows users to create customized workflows for intricate testing and streamline multi-step processes into a single, straightforward approach that is appropriate for users of varying skill levels.
- Constantly updated: Insight Pro Software is continuously evolving with frequent updates to deliver enhanced capabilities and efficiencies for laboratory needs, whether related to user inputs, application requirements, or new regulations.
- Shorten training time: Guided software has improved the user interface to provide an easy-to-teach, step-by-step workflow.
Accessories for All Sampling Needs
- To finish the analysis, a wide range of accessories is available, including sample changers, sippers, and solid sampling devices.
- Choose a Smart 8-Cell Peltier system or a Peltier Single Cell Holder for temperature control and sample monitoring between 0 and 100 °C.
- Simple software integration gives users complete control over all measures.
Regulatory/Quality Control Environments
To help customers use the Evolution One/One Plus UV-Vis Spectrophotometers in regulated or quality control environments, manufacturers provide a variety of compliance solutions and services that minimize installation time and preserve system performance.
Evolution One/One Plus Security and Validator Bundles Include
- Evolution One or One Plus UV-Vis Spectrometer
- Validator for Insight Pro US Ltr or INTL A4 Paper Version
- INSIGHT Pro with Security Software
- Qualification Filter Kit for UV-Vis
Evolution One/One Plus USP/EP Standards Pharma Bundles Include
- USP and EP UV Standards Set
- Evolution One or One Plus Spectrometer
- INSIGHT Pro with Security Software
- Validator for Insight Pro US Ltr or INTL A4 Paper Version
- USP and EP Visible Standards Set
Download the Brochure for More Information
Specifications
Source: Thermo Fisher Scientific - UV-Vis Spectroscopy
| Specifications |
| Baseline Flatness |
± 0.001 A, 200-800 nm, 1 nm SBW, smoothed |
| Dimensions (L x W x H) |
593 x 475 x 266 mm (23.3 x 18.7 x 10.6 in.) |
| Drift |
< 0.0005 A/hr., 500 nm, 1 nm SBW, one-hour warmup |
| Electrical Requirements |
100/240 V, 50/60 Hz selected automatically, 150 W maximum |
| Green Features |
ACT Ecolabel (Gold) |
| Includes |
Evolution One Plus UV-Vis Spectrometer |
| Lamp Life |
Five years or longer if not using a live signal |
| Noise |
0 A: ≤ 0.00015 A 1 A: ≤ 0.00025 A 2 A: ≤ 0.00050 A 260 nm, 1 nm SBW, RMS< |
| Optical Design |
Double-beam with sample and reference cuvette positions Czerny-Turner Monochromator |
Pharmacopoeia Compliance Testing |
Photometric Accuracy (60 mg/L K2Cr2O7): ± 0.010 A Stray Light: ≤ 1 % T at 198 nm: KCI; ≤ 0.05 % AT at 220 nm: Nal, Kl Wavelength Accuracy: ± .5 nm 541.9, 546.1 nm Hg emission lines, ± 0.8 nm full range Wavelength Repeatability: ≤ 0.05 nm, repetitive scanning of 546.1 nm Hg emission line |
| Photometric Accuracy |
1 A: ± 0.004 A, 2 A: ± 0.008 A, measured at 440 nm using neutral density filters traceable to NIST |
| Photometric Display |
-0.3 to 4 A |
| Photometric Range |
> 3.5 A |
| Photometric Repeatability |
1 A: ± 0.0002 A |
| Scan Ordinate Modes |
Absorbance, % Transmittance, % Reflectance, Kubelka-Munk, log (1/R), log (Abs), Abs*Factor, Intensity |
| Scan Speed |
< 1 to 6000 nm/min. (Variable) |
| Warranty |
Instrument (two years), Lamp (three years) |
| Wattage |
150 W max. |
| Wavelength Accuracy |
± 0.5 nm (541.9, 546.1 nm mercury lines), ± 0.8 nm (full range 190-1100 nm) |
| Wavelength Data Interval |
10, 5, 2, 1, 0.5, 0.2, 0.1 nm |
| Wavelength Repeatability |
≤ 0.05 nm (546.1 nm mercury line, SD of 10 measurements) |
| Weight (Imperial) |
32 lb. |
| Weight (Metric) |
14.5 kg |
| Detector Type |
Dual Silicon Photodiodes |
| Light Source |
Xenon Flash |
| Product Line |
Evolution One |
| Spectral Bandwidth |
1 nm |
| Type |
Evolution One UV-Vis Spec |
| Wavelength Range |
190-1100 nm |
| Unit Size |
Each |