Color Measurement

Color Measurement
Color Measurement
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Why Avantes for your Color application?

  • Fast Spectroscopy enabling high production rates
  • Software add-on for color characterisation available
  • Flexibilty in hardware solutions matching the needs of the application and the circumstances.
  • Color of objects and color of light.
  • Many applications (LEDs, surfaces, small areas)
  • Partner for OEM developments

The human eye has a spectral sensitivity that peaks at around 555 nm, which means that the color green gives an impression of higher brightness than other colors. At 490 nm the sensitivity is only 20% compared to the sensitivity at 555 nm. Furthermore, the human eye can only distinguish about 10 million different colors which is actually quite limited relative to the needs of color measurement applications. Spectrometers are designed to measure exact wavelengths, and are therefore ideal for color measurements.Visible light has a wavelength range of 390-750 nm, so generally color measurement systems are configured to cover the range from 380-780 nm with a spectral resolution of around 5 nm (FWHM).To facilitate reflective color measurements a reflection probe or integrating sphere is typically required. In either case, a white continuous light source illuminates the surface to be measured and a white reflective standard tile is needed for calibration. Color measurements may be applied to a variety of industrial applications such as color of textile, paper, fruit, wine, and bird feathers. Avantes has developed a variety of custom probes to meet the specific demands of the color measurement application. Color measurements are manifested in the L*a*b* color model which includes parameters for brightness and hue.

Color Bundles

  Color measurement of small areas Color measurement of surfaces (total diffuse light)
Order code Ava-Color-A Ava-Color-B
Spectrometer AvaSpec-ULS2048-USB2, grating BB (360-780nm), 200µm slit AvaSpec-ULS3648-USB2, grating BB (360-780 nm), 100 µm slit
Software AvaSoft-full and AvaSoft-Color
Light source AvaLight-HAL with PS-24V-1.25A power supply Integrated in the Avasphere
Fiber optics FCR-7UV200-2-ME FC-UV200-2-ME
Accessories RPH reflection probe holder 
WS-2 white reference tile
AvaSphere-50-REFL integrating sphere 
WS-2 reference tile


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