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TOMRA'S Sentinel II performance at the Demonstration Days for optical sorting for vegetables

Published 02 August 2017 | By TOMRA Sorting Food

From July 3 to July 7, 2017, the National Technological Centre for the Food and Canning Industry in Molina de Segura (Murcia) hosted the Conference on optical sorting of whole vegetable products. During the conference, companies and engineers from the food industry were shown the workings of TOMRA Sorting Food’s Sentinel II, a high-tech solution for vegetable sorting based on colour, form and size that also eliminates foreign material, and what its advantages are.

The conference was jointly organised by the National Technological Centre for the Food and Canning Industry (CTC), TOMRA and Luciano Aguilar, distributor of TOMRA Sorting Food for vegetables in Spain. Aimed at over 15 companies and engineers from the food industry and related industries, TOMRA's technology and, the advantages it offered for the optical sorting of whole fresh vegetables, received high levels of interest.

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The Sentinel II remained installed in the Demonstration Plant of the CTC during the duration of the conference, the first day of which was an open day, while the remaining four were dedicated to customer demonstrations, where they could test with their own products.

Alejandro Palacios, sales manager Spain and Portugal for TOMRA Sorting Food, says: "This was the first demonstration we gave on the Sentinel II. We will also exhibit it at the Fruit Attraction trade show next October in Madrid.

We are very happy with the result of the conference as Spanish companies are showing great interest in TOMRA's advanced technology. This interest has resulted from the machine's added value, its specific characteristics that are unique in the market, such as its ejection system, robust design and a double-sided view of the product."

TOMRA made its optical sorting equipment available to visitors that process vegetables, such as potatoes, peppers and tomatoes, which enabled them to understand and see first-hand the performance, power and advantages of the Sentinel II sorter as a highly efficient and cost-effective machine suitable for both seasonal and year-round processes.

Cedric Rolland, production manager vegetables and pre-cooked meals at Ultracongelados de la Ribera, part of the multinational group ARDO, commented: "We have been using TOMRA machines for years because we think its technology is very interesting and meets our needs. It competes with the traditional technologies and guarantees a fast and very efficient processing."

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The Sentinel II is not only easy to operate, install and use but also very versatile, which attracted the attention of Mr. Rolland. "The built-in software for reaching an optimal level of detection and ejection settings is easy to operate. Another highlight of the machine is its optimal design for easy installation, maintenance and cleaning. What is also noteworthy is the wide range of products the Sentinel II is capable of processing, for both our specific market and many others."
In general, Cedric Rolland showed his overall satisfaction after the conference. "As for the TOMRA team, I was satisfied with the support and attention received from the TOMRA employees during the demonstration and I must stress their involvement in looking for an optimal solution for the complex application we presented. Furthermore, we were all pleasantly surprised by the degree of efficiency of the machine, which would enhance not only the productivity of our lines but also the quality of the final products that we make."

Guaranteeing the total quality of the product
As could be seen during the conference, the working principle of the Sentinel II is the following: the product is dispersed in a uniform layer on the infeed belt and is scanned when it passes the cameras that are situated on both sides. A few milliseconds later, the defects are ejected by intelligent pneumatic ejectors, while the accepted products continue along their trajectory through the production line.

For example, for a potato application, the Sentinel II can reject defects such as rot, green stains, sunspots, cross-contamination, and at once eliminate foreign material such as cotton stalks, pieces of plastic, glass, animal matter, stones and wood.

The technology can offer higher quality products at a lower cost, since the automation reduces both the need for operators to sort manually and down-time, while it increases productivity and minimizes production declines. In addition, the Sentinel II is a tool that serves to ensure the total quality by allowing quality checks of 100 percent of the production and at high speed.

Tested and cost-effective technology of the Sentinel II
The Sentinel II optical sorter is designed to sort food including potatoes, tomatoes, peppers and peaches. It uses the most advanced technologies in LED lighting, and optical sensors, to sort food in a fast and precise way based on colour, form and size; while at the same time guaranteeing the elimination of foreign material.

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Validated on hundreds of applications, the Sentinel II covers a wide range of capacities of 8-45 t/h for washed potatoes, which makes it the perfect solution for both seasonal and year-round producers. Its clear and easy-to-use user interface allows to configure the sorter for rejecting a wide range of defects and eliminating many types of foreign material.

The Sentinel II can operate at low, medium or high speed, depending on the specific requirements of the product, and is available in three different sizes so that it perfectly fits and integrates in existing lines. The robust and stable design, high-efficiency, low-maintenance costs and high data processing flexibility make the Sentinel II a cost-effective option for producers of different types of products, which can obtain a high productivity, total and stable product quality and attractive return on investment.