CR-331c Chroma Meter (Discontinued)

View our latest version of this instrument, the CR-410 Chroma Meter

Konica Minolta CR series Chroma Meters are compact, lightweight, portable tristimulus colorimeters for measuring reflected color and color difference in a wide range of industrial fields. Five different CR-300 series models are available to meet the needs of various applications. All CR-300 series models offer improved inter-instrument agreement to allow multiple units to be used for color control both within a company and between companies.


  • Illuminating/viewing system
  • The measuring head of the CR-300 uses diffuse illumination/0 deg viewing geometry (specular component included) to provide measurements of a wide variety of surfaces which correlate well with color as seen under diffuse lighting conditions. A pulsed xenon arc (PXA) lamp inside a mixing chamber provides diffuse, uniform lighting over the 8mm-diameter specimen area. Only the light reflected perpendicular to the specimen surface is collected by the optical-fiber cable for color analysis.
  • Color-Control Applications
  • Paint Industry
  • Paints for houses, automobiles, etc.; metal plating and coloring
  • Rubber/Plastic Industry
  • Raw materials, molded products
  • Printing Industry
  • Printed materials, such as catalogs, posters, etc.
  • Textile/dyeing industry
  • Color of dyed cloth of fibers, printed fabrics
  • Food industry
  • Processed foods; determining maturity levels of raw products
  • Ceramic Industry
  • Tiles, porcelain, pottery, glass, etc.
  • Data Processor(DP-301) Features
  • Full portability for On-the-Go Color Control
  • Each CR-300 series Chroma Meter consists of a lightweight, handheld measuring head and a compact, battery-operable data-processor. The whole system is fully portable and can be used wherever the measurement subject is, indoors or outdoors, for on-the-spot color control.
  • Variety of Data-Processing Functions
  • The data processor of the CR-300 series Chroma Meters is an all-in-one unit with an LCD display, thermal printer, and RS-232C, remote-control, and DEALTAE*ab alarm terminals.
  • Data can be displayed, printed out, or output in a variety of color systems.
  • To provide the highest measurement accuracy, the data processor is equipped with a multicalibration function, which utilizes all calibration data in memory (calibration data can be stored in up to 20 memory channels) in calculating the measurement data. Users can also select a single calibration memory channel if desired.
  • Other features of the data processor include: Memory space for 300 sets of measurement data; 20 memory channels for target data for color difference measurements; statistical calculations; an interval timer for automatic, timer-controlled measurements; and a DELTAE*ab alarm function.


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