Miedema optical potato sorter selects by ‘length, height, depth and quality’
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At the PMA in Atlanta, Miedema recently introduced its Smart Grader to the American market. This optical sorter is able to sort by length, height, depth and quality. “With infrared technology, we scan up to a millimetre under the skin. That way we can fully separate wireworms, growth cracks, rot, scab and discolouration automatically,” says Marcel Mulder. Apart from the well-known red-black line for unwashed potatoes, Miedema has also entered the processing industry for washed potatoes with a grey line, through automation company Ellips. “Normally a lot of staff is needed to select the good and bad potatoes. We do that in one go,” Marcel says. After sorting, the Smart Grader provides an overview of all size and quality criteria. For each sorting exit, data is available on volume, size, defects and weight. More
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