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Going to the next level of optical sorting for frozen produce

14 August 2016

Innovations from the Bühler Group aim to help frozen fruit and vegetable processors achieve the highest standards in food safety and hygiene by removing the broadest range of foreign matter (FM) from frozen produce. 

SORTEX PolarVision is a foreign material (FM) detection technology that actively targets difficult-to-detect FM in frozen produce. It works by combining two dedicated FM detection technologies – the SORTEX PolarCam and high definition InGaAsHD. The PolarCam camera has been designed to see the difference between vegetable and non-vegetable matter, regardless of its colour. It is therefore possible to process different products or mixes, with little or no change to settings and still detect non-vegetable material such as dark FM, black plastic, stones, snails and insects.  High definition InGaAsHD technology is able to recognise very small pieces of hazardous material. These combined technologies offer a FM solution that reduces the need for adjustment between products as visible cameras are not required. 

To maximise the potential of the PolarVision, Bühler has developed a dedicated sorting platform – the SORTEX F optical sorter. It features a stainless steel frame, sloped surfaces, hygienic conduits, stainless steel air set and hygienic grade fixings to ensure there is no product build-up and lowering the risk of contamination.

The machine also uses 25% more force to eliminate denser contaminants which ensures removal of unwanted and hazardous materials.

SORTEX PolarVision is available on the SORTEX F and as an upgrade option for processors who currently operating Bühler’s SORTEX E1D Optical Sorter.


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