The Mettler Toledo Easy VIS spectrophotometer analyzes liquid, translucent samples for their optical spectrum, color, and water parameters, or any of the three. The instrument takes over the measuring tasks of up to three instruments: a colorimeter, a spectrophotometer, and special measuring methods for water testing, such as titration. The results appear on screen in accuracy, precision, and repeatability—within seconds—saving money, time, and space.
A typical place for Easy VIS is the QC lab at small manufacturers in the food and beverage industry. The Easy VIS is used during multiple steps of the production process: for inspection of raw materials, quality control of semi-finished and finished products, or testing the water quality of wastewater. The visual user interface with workflow guidance allows users to simply scan and measure. Even untrained staff can operate Easy VIS intuitively. This increases the integrity and repeatability of the analysis and saves training time.
Easy VIS operates within a wavelength range of 330 to 1,000 nm. The light source is an easy-to-replace tungsten lamp, which any operator can replace within no time.
The partner device, Easy UV, covers the full UV/Vis spectrum with a wavelength range from 190 to 1,000 nm to cover additional applications in the UV range. The Easy UV runs with a power-saving and maintenance-free xenon-flash lamp.
Twenty-five standard-compliant color scales in the visible range come preinstalled and can easily be used. Some examples are ICUMSA for sugar color, ESBC for beer quality analysis, or OIV CIELab for wine color determination. The results reveal the quality of the product within seconds.
Water analysis shows, for example, the concentration of aluminum, ozone, chlorine, or polyphenol. This reveals whether the water is fit for human consumption or can be used in further production. For spectrophotometry, the sample is analyzed at the wavelengths where the sample has its characteristic absorption of light. The Easy VIS measures the transmitted or absorbed light, and the reading reveals the sample’s concentration or purity.
The testing procedure is simple: One cuvette holds the blank measurement, and another is prepared with the sample. After choosing the desired analysis method, the cuvette is placed in the cuvette holder. The PathDetect function recognizes which path length is measured. Closing the lid automatically starts the blank measurement. After determining the blank, the sample cuvette is brought into the measuring position. The measurement starts again automatically after closing the lid. Within seconds, the results show up on the screen. With the EasyDirect software, these results may be automatically saved or exported to an external storage device or exchanged with a data management system (e.g., LIMS).