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Uni-Grader, state-of-the-art optical grading machine

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The PERFECT Uni-Grader grading machine is the perfect grading machine to realize added value in the phase of production to product. The Uni-Grader sorts on both diameter, weight, colour and external quality with which nearly every round/half round kind of fruit can be sorted.

The Uni-Grader is entirely developed to also sort Conference pears perfectly; the machine is equipped with extra wide singulator brushes to be able to also process very long pears (bottles) without any problems.

Many years of experience in developing and collaborating with a large number of growers and processors have enabled us to develop the machine with the most fruit friendly handling. The Uni-Grader truly sets a new standard for damage free and quick sorting of very delicate fruits like Conference pears or Golden Delicious apples.

In addition to the principled technology, the Uni-Grader is also a very user-friendly machine. The noise level of the machine is very low which positively impacts the employees that work near the machine. Furthermore, cleaning and maintaining this machine is very simple.

Ultra-smart sorting with our PERFECT-Sort Uni-Grader


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      Product description

      The apples, pears or other fruits are delivered to the grading machine with rotating singulator brushes. Cameras that are mounted above the singulator brushes scan each individual product in numerous positions as the product rotates.

      Ultra-smart sorting with the groundbreaking and very user-friendly completely newly developed sorting software PERFECT-Sort based on. artificial Intelligence. PERFECT-Sort has been developed based on the latest insights and very latest state-of-the-art technology. PERFECT-Sort sets the new standard in the market and enables the user to easily create very extensive sorting programs, with which the product is brought to the desired exit very specifically per characteristic in a fruit-friendly manner.

      An optical sorting on external quality is possible for apples, pears and citrus fruits; the user sets the maximum number of spots and/or the maximum percentage of the surface that is is allowed to differ.

      For supply and packaging, PERFECT – Van Wamel offers various suitable solutions. We would like to consult you to assemble the best possible configuration together that fits your wishes and requirements.


      PERFECT Uni-Grader electronic sorting machines are available with 2, 3, 4, 6 or 8 lanes. Depending on the average weight of the fruit, sorting capacities up to approx. 1,250 kg (2755 lbs) per lane per hour can be realized.

      Sort by characteristics such as diameter, colour, weight, external defects and combinations of these and other parameters.

      Suitable for (round) fruits between 35 and 110 mm (1.4 – 4.3’’) diameter.



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