The reliable solution for

  • The FC 2 flour color controller is used for continuous control of flour colour and ash content.
  • It consists of a measuring pipe with a glass insert (length of insert = 200 mm, diameter = 120, 150 or 200 mm). The device is normally installed in the run-off pipe immediately downstream of the flour worm. The measuring pipe is fitted with a special optical sensor which continuously measures the reflection of the flour being conveyed through the pipe. The degree of this reflection is always determined by the color or lightness of the flour.
  • The evaluation unit of the monitoring system processes the measuring signal and establishes a mean value. This signal is shown continuously on a digital display. In case of a given grain mixture, it is also possible to compensate for the crude ash content of the flour. The measuring signal is automatically controlled by two adjustable limit values. It is possible to register the flour colour over a period of time by means of a recording unit. We also offer a RS 232/485 interface for data transfers and display of values on a Personal Computer.
  • The constant display and control of the transient lightness value help to make the task of the mill supervision simpler and safer. A particular advantage of this system is the fact that flour sieve defects in the plansifter are immediately identified and relayed to the operator. Not only flour types, but also bran can be monitored constantly by this system. This means that milling errors can be identified immediately.

The 10 Point

Proven Technology


Economical Solution


Reliable & Robust




Made in Germany


Simple Installation


Insensitive to Vibrations


High Capacity


PC Interface & Software


Food Grade Applications

Continuous flour & bran color supervision

Ideal for internal quality control

Calibration according to %-Ash content

Internal registration of 24 hour period

Simple installation into available run pipes

Technical Specifications
  • Measuring pipe diameter: 120 ,150 oder 200 mm
  • Measuring pipe length: 200 mm
  • Protection type: ATEX Zone 22

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Online Flour Colour Monitoring Device

Measuring Unit:

  • Panel mounting: 142 x 70 x 32 mm (B x H x T)
    - Protection, front side: IP 54
    - Power supply: 24 V DC, 2 A
  • Wall-Box: 200 x 300 x 120 mm (B x H x T)
    - Protection Type: IP 54
    - Power supply: 230 V AC, 1 A
  • PC Software: Windows 95 or higher required
  • Interface: RS 232, RS 485

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 Flour Colour Monitoring Device

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