WebOct 8, 2024 · While Hunter’s Lab was adopted as the de facto model for plotting absolute color coordinates and differences between colors, it … WebThe UltraScan PRO is designed to be your reference instrument for measuring both reflected and transmitted color. It meets CIE, ASTM and USP guidelines for accurate color measurement. The instrument's 5 nm optical resolution enables it to precisely measure colors using colorants with sharp cutoff characteristics. UltraScan PRO Get a quote

Spectrophotometer Best Practices for Accurate Measurements

Webthe sphere indicate the lightness and darkness of the color. The lightness extremes of white and black reside at opposite ends of the “poles.” At the center of the sphere we find … WebThe HunterLab ColorQuest II Color Measurement Spectrophotometer can measure either reflected or transmitted color of a product. The integrating sphere is a chamber six inches in diameter coated with barium sulfate (BaSO 4), which difuses the light from the lamp.The light illuminates the sample and is either reflected from it or transmitted through it. chardtagb

Color Analysis using a UV-Visible …

WebThe UltraScan VIS color measurement benchtop spectrophotometer measures opaque, transparent, and translucent solids and liquids in the complete CIE recommended spectral range of 360 – 780 nm. It can be used in production and in the laboratory for inspecting raw materials, evaluating finished product or developing methods for color analysis. WebPortable Directional 45°/0° Spectrophotometer. At HunterLab, our 45º/0º geometry portable spectrophotometer is known as the MiniScan EZ 4500. This type of instrument mimics … WebAug 15, 2024 · The Color Diagnosis Program was used to calculate color coordinates from the measured reflectance spectra. Figure 3 shows the results plotted on XYZ, L*a*b*, Lab, and L*u*v* chromaticity diagrams. … chard tart