Color measurement of grain

The raw material cereals, i.e. grains from cultivated grasses such as wheat, rye, oats, barley, millet, maize, rice, etc., are subjected to visual quality tests, as are products made from these raw materials, such as muesli bars and animal feed. All cereals and grains, such as wholemeal, spelt, green spelt and seeds such as amaranth or quinoa are important nutritional bases and should therefore be given special consideration.

Whether grain is processed directly in mills or sold on as animal feed, uniform coloring is a component of quality assurance and is also easy to determine. HunterLab spectrophotometers are specialized in the measurement of grains and cereals. Various sample plates and cuvettes can be used to determine the color of large and small quantities of product.

Our solutions for your grain / grain product:

Agera

Color measurement “as the eye sees”

  • 0°/45° geometry

    This geometry according to DIN corresponds very precisely to the color impression that the human eye has of the sample.
  • Integrated camera

    The integrated camera helps to place the sample precisely and to save a photo with the measurement data.
  • Integrated QC software

    The EasyMatch QC Essentials quality control software is integrated into the device and provides all the required color indices and metrics.
Agera
  • Full spectrum + UV

    With an illumination range of 360-700 nm, the Agera is also suitable for measuring optically brightened samples.
  • Smart user interface

    Your measurement results can be easily transferred to existing LIMS or SPC systems.

  • Uncomplicated & precise

    Simple "one touch" measurement reduces training time, optimizes the workflow and increases your productivity.

ColorFlex EZ

Compact spectrophotometric station

  • Many measuring openings

    Various measuring openings (10 mm, 13 mm, 19 mm, 25.4 mm, 31.8 mm) for many types of samples.
  • Compact dimensions

    With a weight of 4.5 kg and dimensions of 16.0 cm (height), 13.0 cm (width) and 36.0 cm (depth), the CFEZ is the ideal partner in the laboratory and production.
  • Integrated QC software

    Display of absolute and differential data, color location visualization, spectral curves, spectral data and PASS/FAIL with individual tolerances.
ColorFlex EZ
  • 45°/0° geometry

    The CFEZ measures color as the human eye sees it. Every day. Reliable and precise.
  • In many versions

    The ColorFlex EZ is available in Tomato, Citrus and Coffee versions.
  • Uncomplicated & precise

    Simple measurement at the touch of a button with measurement results within a few seconds. Reduces training time, optimizes the workflow and increases your productivity.

Application example:

Color determination of oat flakes

The precise color measurement of oat flakes with statistical averaging on the Agera colorimeter is particularly useful for oat flakes, as they are among the samples that consist of different particles and have an uneven color distribution or surface texture. In any case, the samples should be measured at least two to five times, with rotation or refilling between measurements, so that a meaningful mean value can be formed. The standard deviation and range (scatter) can be read off for each individual measurement. Table 1 shows the results of five individual measurements with the Agera from Hunterlab. For this purpose, oat flakes from one batch were filled into a glass cuvette with a...

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Further information for you on this topic:

HunterLab worldwide:

  • Headquarters, North / South America

    Hunter Associates Laboratory, Inc.

  • 11491 Sunset Hills Road

    Reston, VA 20190-5280

  • 703-471-6870

  • 703-471-4237

  • Asia-Pacific

    HunterLab Asia Limited
  • Leo Cheung, Regional Manager Flat E, 13/F Leahander Center

    28 Wang Wo Tsai Street, Tsuen Wan New Territories, Hong Kong

  • +852 2406 1723

  • Europe / Middle East / Africa

    HunterLab Europe GmbH

  • Dr.-August-Einsele-Ring 15

    82418 Murnau

  • +49 8841 9464

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