Mettler-Toledo Product Inspection has launched its most advanced x-ray inspection technology to date, delivering a remarkable leap forward in the ability to detect low-density contaminants in packaged food products.

Read: September 2022 Issue of Food InfoTech Magazine.

State-of-the-art Mettler-Toledo DXD and DXD+ dual energy detector technology is optimized for identifying foreign bodies such as calcified bone, low-mineral glass, rubber and some plastics. These types of contaminants are traditionally hard to detect within the ‘cluttered’ or ‘noisy’ x-ray images generated by overlapping and multi-textured products such as packs of pasta, chicken breasts, sausages and frozen potato-based goods.

Such applications are a perfect match for DXD and DXD+ advanced detector technology, in conjunction with intuitive new Mettler-Toledo Advanced Material Discrimination software tools. The software helps to separate and remove the prominent material of the food product within the x-ray image, revealing the presence of any lower density contaminants. As a result of the accuracy and reliability of DXD and DXD+ detection, food manufacturers can be more confident that their products are safe for consumers, and that they will benefit from reduced False Reject Rates and product waste, helping to deliver a fast return on investment.

The advanced detector technology is available in two versions, giving customers two levels of dual energy x-ray performance:

  • DXD: enhanced x-ray performance at a competitive price; can operate in the same environments as single energy solutions and can be used with line speeds typically up to 100 meters per minute.
  • DXD+: premium detector technology for the most challenging applications; collects more data about the product being inspected, and advanced image analysis software provides clearer images with much higher resolution; DXD+ can be used with line speeds typically up to 45 meters per minute.

“This is truly cutting-edge technology, that meets a real demand in the market for x-ray inspection capable of detecting low-density contaminants in a wide range of packaged food products,” said Gareth Jones, Head of Engineering for Mettler-Toledo Product Inspection.

“DXD and DXD+ provide unprecedented levels of detection in the most challenging applications our customers face. The benefits are both economic and reputational: they can better protect the integrity of their products and their brand, while also reducing cost and wastage through improved False Reject Rates and less product throwaway.”

DXD and DXD+ dual energy detectors can now be specified with new purchases of Mettler-Toledo X36 x-ray systems. Only a small amount of extra operator training is required due to automatic job set-up and the similarities between the Advanced Material Discrimination software and the ContamPlus™ software that is familiar to existing Mettler-Toledo x-ray users.

Mettler-Toledo is offering exclusive personalized consultations to prospective users of this latest technology either on a 1:1 basis at its Royston facility or virtually. The consultations will include live testing with customers’ actual products, as well as the opportunity to engage with leading experts in the x-ray inspection field.

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