S+S launches value-added metal detector

German firm S+S Metallsuchgeräte und Recyclingtechnik has enhanced
its metal detection range with the introduction of the Genius
Quattro control technology.

The company claims that the technology offers food processors considerably improved utility, using four-field frequencies (instead of the usual one or two) to deal effectively with a wider range of product characteristics.

Additionally the system offers an impressively low false alarm rate with a much-reduced metal-free zone. In other words, it requires a smaller installation envelope.

"The distinguishing features of metal detection systems with Genius Quattro technology are higher sensitivity and greater flexibility,"​ said Helmuth Frisch, managing director of S+S​.

"The system operates with the optimum number of frequencies; there is no benefit from using a higher number of additional frequencies since no further improvement in sensitivity can be achieved."

Frisch added that in combination with a wide range of separation units used for conveying - belts, vacuum and pressure conveyors, free-fall applications - the Genius Quattro creates a metal detection system that offers optimum quality assurance.

Efficient and reliable performance is achieved by harnessing the power of digital signal processing on a multifrequency basis and combining it with the high quality detection coils manufactured by S+S.

For example, the Self-Learn system delivers what S+S describes as product compensation, preventing false alarms of the metal separator caused by the product itself (eg through salt, moisture content etc). Additionally, product tracking allows automatic adjustment of product compensation to accommodate minor changes in product characteristics such as variations in recipe, moisture levels and the effects of temperature (thawing).

Both features are designed to secure optimal detection sensitivity while minimising false alarms to maintain continuous production. The reject/separation system is fully controllable to meet the customer's precise specifications.

Multiple product parameter memories ensure that once the optimal machine parameters have been established they can be recalled in seconds. "Quick Learn" will accommodate product changes without any interruption to the production process.

In addition, a set-up memory ensures that all machine data is stored even in the event of changes in electronics or power failure. The comprehensive suite of data records allows a realtime view of the process and facilitates post-production analysis of system performance and inspection records to support quality certification.

Related topics Food Safety & Quality

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