PREMOSYS - Progressive Electronic Mechatronic Optoelectronic Systems

CIELab Color Sensor PR0126-C

With the CIELab Color Sensor PR0126-C challenging industrial applications for the detection of color can be realized. The system is based on newest technology and sets new standards in resolution of color and stability.


A safe allocation and determination even of most difficult colors takes place by setting tolerance in the L*a*b* color space.

The sensor collects 3 color channels in parallel. The parallel detection of all channels and the special measurement method lead to a high elimination of environmental effects.
The coupling of light takes place via light guides. With that point-shaped as well as larger areas can be inspected for the consistency of the color. The module evaluates the surface as composite signal.

Technical Data:

  • Test parameter Delta L and Delta ab
  • 3 products can be trained on the sensor with different gain settings
  • Automatic gain adjustment (Sensitivity)
  • Multilanguage Software Tool
  • Automatic calculation of full Delta E via software
  • Switch frequency 500 Hz
  • Color resolution <0,1 dE
  • Repeatability <0,5 dE
  • Light source LED white 5600 Kelvin
  • Push-Pull, PNP and NPN variants available
  • Power supply 24V DC +/- 5%
  • Wavelength range 400nm to 700nm
  • Serial and parallel interface - useable in combination

Available Variants:

PR0126-C Interface RS 232C and Digital I/O

Application Range:

  • Highly precise and long-time stable detection and comparison of colors in the sections automotive, food industry, biotechnology, pharmaceutical industry and beverage industry.