Metallsuchsysteme2
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Safely detecting and removing metals

Do you want to avoid the risk of metallic contaminants halting production or ending up in the final product? Our metal detectors reliably detect all metallic contaminants und provide protection – perfectly tailored to your application.

Regardless of whether the contaminant − exposed or embedded in the product − is made of iron, steel, stainless steel or non-ferrous metals, such as aluminum, copper and brass, our metal detection systems identify all metallic contaminants using inductive technology (see below). They send a signal to the process controls and, together with a separation unit, remove the contaminated products – entirely automatically. Our machines for the food industry comply with standards such as IFS, BRC and FSMA.

Sesotec metal detectors provide effective protection against damage to machinery, production downtime, customer complaints and recalls. You can rely on our more than 40 years of experience in contaminant detection and product inspection!

The benefits of using our metal detectors

  • Detect magnetic and non-magnetic metal contaminants with extreme precision
  • Prevent damage to machinery and production downtime
  • Sesotec is one of the first manufacturers of metal detectors with artificial intelligence
  • Ensure product quality in line with the required standards and certifications
  • Protection against customer complaints and recalls
  • Rapid amortization


Wide product range with customization options

Our complete range of leading technology covers a wide range of products, types of conveyance and process steps. Whenever standard solutions do not provide the right fit, we find another way through customization. Our many years of experience in a variety of user-focused industries enables us to quickly immerse ourselves in your processes and offer solutions that will integrate perfectly into your production line!

In terms of design and development, we focus on making the installation, everyday operation and cleaning of our systems as quick and easy as possible. Our machines and systems also feature a high level of mechanical stability and resistance to interference – quality that is engineered and made in Germany.

Product example: Metal Detector INTUITY


How the systems work  

Detection based on induction technology

The detection abilities of our metal detection systems are not limited to iron or magnetic materials, but rather include every type of metal. To make this possible, they use the transmitter/receiver method based on electromagnetic induction. While in operation, the metal detector generates a constant electromagnetic field. If a piece of metal passes through the detector, it disturbs the field. The signal subsequently received registers as the presence of metal.


Digital signal analysis

The software in the control module analyses the recorded signals. It must be able to reliably distinguish metallic contaminants from interference from the environment or the product itself, since a product − depending on its intrinsic conductivity − can alter the signal.  

Our control systems therefore use sophisticated algorithms to analyze signals with reference values that either come preset or that are established during ongoing operations. This approach prevents them from triggering false alarms, while enabling them to reliably identify metallic contaminants. If a contaminant is detected, the module (depending on the configuration) sends a signal to the process controls, activates the downstream separation unit, notifies the operating staff and enters the incident into the integrated logbook.  


Low-loss separation

You can choose from swivel arms, air-blast nozzles, pushers, rejection flaps, swivel hoppers and retraction belts as a means of removing contaminated products safely, automatically and with little loss of material. The specific choice depends on the nature of the product, type of conveyance and other parameters.

Learn more about foreign body detection in the food industry in our "Guidelines on contaminant detection".


Metal Detection with Artificial Intelligence

Products with high or fluctuating levels of product effect (due, for example, to metallized packaging or storage in brine or water) can be more reliably inspected with THiNK. False rejects, and the food waste they cause, are reduced. Learn more about THiNK.


Advice and testing opportunities

Do you still have questions? Are you looking for brochures or technical data sheets? Would you like us to advise you with respect to your specific application? Contact us!  

Our technology center also provides the opportunity to test your products with our systems and machines. You can either send us the product for testing, or you can visit in person.

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fremdkoerperdetektion fleisch wp vorschaubild blog en

White Paper

Contaminant Detection in the Meat Industry

Unser White Paper beschreibt einige der Herausforderungen, die sich in der Fleischindustrie hinsichtlich der Produktreinheit und -sicherheit ergeben und erklärt die verfügbaren Technologien, die für die Detektion von Fremdkörpern zur Verfügung stehen.

zeit ist geld wp vorschaubild blog de

White Paper

Intuitive operation of a metal detector and its influence on the total cost of ownership

Our White Paper informs you about the criteria that need to be considered when you choose machines and systems for the protection against contaminants and for metal detection.

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White Paper

Metal Detection steps up

Our White Paper describes the development of technologies in contaminant detection in the food industry.

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White Paper

Important factors when buying a metal detector for plastics processing machines

How easy is it to install the metal detector in the production line – and how easy is it for your staff to operate the device?

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White Paper

Metal contamination in plastics processing – causes and countermeasures

In our white paper, we provide a detailed outline of the issues, their causes and the necessary countermeasures for eliminating metal contamination in the plastics processing industry.

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White Paper

E-Book: Driving Impact - Safe food and saving food

In our e-book we show you, amongst others, what challenges the development of the world's population and especially food safety pose for manufacturers and processors and how they can still be mastered.

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White Paper

Keeping plastic compounds free of metallic contaminants

The Whitepaper explores the challenges that metal contamination poses to compounding and masterbatch production and considers the key features that metal separators must have to provide an adequate solution.

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White Paper

How artificial intelligence contributes to sustainable and profitable food processing

Despite the breadth of technology available for foreign object detection, certain types of food products remain difficult to inspect via conventional methods. The reason for this is that some foods have high levels of product effect, which can interfere with metal detection. This white paper examines the phenomenon of product effect, the problems it can cause, and why artificial intelligence offers an innovative and promising solution.

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White Paper

The circular economy: Challenges and opportunities for Recyclers and plastics processors

The plastics industry is under pressure. Between climate change, excessive consumption of finite resources, and vast amounts of plastic waste in the world’s oceans, plastics are coming to be seen in a different light by politicians, businesses, and consumers alike. Read in our e-book about the most important factors of a functioning circular economy, especially which challenges and opportunities exist for recyclers and plastics processors.

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White Paper

Guide for validation of product inspection systems

This guide is intended to help quality managers and production managers in food processing companies to generate a common understanding regarding validation and verification processes in their own organization and to implement appropriate procedures.

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White Paper

Using recycled materials in plastics processing

In the new Sesotec White Paper "Using recycled materials in plastics processing" you will learn about

  • … why there is increasing pressure on plastics processors to use more recyclate
  • … the differences between post-consumer and post-industrial recyclate
  • … the problems plastics processors may face when using recyclate
  • … how to future-proof your processes to effectively handle increasing volumes of recyclate
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White Paper

Automated conformity testing processes for inspection systems
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Case Studies

Almi: Food metal detectors inspect flavourings and spices

Almi, an Austrian company headquartered near Linz, and one of the leading manufacturers of quality flavourings and additives for sausage, meat, ham and fish products, uses Sesotec “Hygienic Design” metal detectors throughout their entire production process.

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Marangoni installs Sesotec Metal Detectors
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Food Metal Detectors for Kalustyan
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Sesotec Convince Manufacturer of Pharmaceutical Packaging
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Metal detector allows economic processing of regenerated material
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For decades Brückner has been relying on Sesotec metal separators
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„180 Degrees“ selects Sesotec food metal detector
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Use of metal detectors as a competitive advantage for Huer Foods
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Reflex Nutrition strengthens quality control with Sesotec metal detection systems
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AZO uses Sesotec metal detectors for food
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Aptar Relies On Sesotec Metal Separators For Machine Protection
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Sesotec metal separators optimise injection moulding process at leading medical technology company
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SABIC chooses Sesotec high performance metal separator
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Metal-free granulate for SUZUKI motorcycle parts
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Quality assurance in the plastics industry with Sesotec metal detectors
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Production security through machine protection in the plastics industry
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Added value with metal detectors in the plastics industry
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High scanning sensitivity for all metals at the noodle filling
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Maximum productivity of an injection moulding machine without downtime
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Metal detector protects Wanner granulators from damage
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Metal detection for the safety and purity of meat products
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Metal Detector for the Quality Inspection of Rubber Mats
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Safe inline metal detection for fresh and processed meat
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Sitraplas: Risk-free recyclate processing

Separately purchased recyclate often contains various different polymers as well as metal contaminants such as aluminum, brass, and stainless steel. Learn in our Case Study how Sitraplas has solved this problem.

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OPC UA for production without machine downtime

SITRAPLAS GmbH is a producer of high-performance engineering plastic compounds. Unplanned downtime is a nightmare for every company, but especially for continuous production facilities. When metal separators are networked with plastic processing machines, the flow of information between machines can be monitored.

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German metal detection technology for American flour mill

Pneumatic conveying is common within the milling industry to move large volumes of products. This firm was looking for a metal detection solution to provide enhancements to their food safety initiatives (GFSI) within the challenge of pneumatically conveying the finished product to bulk carriers.

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Machine protection during PVC granulation

To avoid any metal in the powder, CIPSA wanted to inspect the PVC compounds before they enter the pelletizer. This was to protect the extruder screw from damage and avoid expensive production stops.

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How a metal separator saved this plastics manufacturer 75% in maintenance costs and increased output by 20%
While processing virgin glass-filled material together with regrind, the same problem was coming up up over and over again. Metal inclusions were clogging the hot runners of the molds, leading to as many as 10 emergency stops and 2 to 3 costly repairs per month. After careful consideration of the production environment and manufacturing specifications, the metal detection system PROTECTOR 40 was installed along with the magnet system SAFEMAG at the feed hopper of the injection molding machine.
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Case Studies

Safe bread and rolls from the Austrian Waldviertel

The Backwelt Pilz produces pre-baked and pre-cooked deep-frozen baked goods, for the food retail trade, petrol station shops and system gastronomy. In order to ensure that bread and rolls are absolutely free of foreign bodies, the Backwelt Pilz decided, in addition to the existing metal detectors, also to install RAYCON D+ X-ray inspection equipment for packaged products.

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Pure spice mixtures in pneumatic conveyor pipes

When this customer looked for a metal detector, he expected this system to remove metallic contaminations from dry spices inspected in pneumatic pipes without causing any interruptions of the production process.

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Product purity for chemical products through precise quality control

The quality requirements of the chemical industry are particularly high. Metal detectors play an essential role in the refinement of solids to ensure a consistently high product quality and safety. At the same time, the customers expect quick setup times to achieve high flexibility and efficiency.

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Case Studies

Metal detection with AI ensures the perfect salami

Founded in the 1960s, H. Loidl Sausage Producers and Distributors GmbH & Co KG attributes their rapid growth to the high quality of their salami products. Once ripe, some Loidl salami products are packaged in slices. This requires
removing the casing and the aluminum clips by hand. In some cases, residue from the aluminum clips remains on the salami. The standard metal detection solutions Loidl had used up un til that point were not sensitive enough to reliably detect the metal contaminants. So Loidl turned to Sesotec in search of a solution for detecting and automatically rejecting metal contaminants from salami sticks.

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How one mill achieved the best possible metal detection for all processing stages

For more than 335 years and 14 generations, Rubinmühle has been managed by the Rubin family. Customers in Europe and beyond benefit from their reliable and flexible supply of innovative, high-quality grain products. As quality requirements have become more stringent over time, Rubinmühle commenced a search for a solution that could inspect grain flakes with the best possible detection rates.

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Metal detection for fish sausages, right on the fishing boat

Among the favorite products of Tunacor Fishing Ltd are their fish sausages, which are especially celebrated in Spain. However, every now and then they would receive complaints from customers about bits of metal in the sausages.

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Fruit experts rely on a daily routine check for optimal quality assurance

Many customers face the problem of lacking the knowledge of which setting parameters can cause a significant change in product safety and process relevance. A validation process can aid these customers to overcome this challenge and take a successful path towards compliance with food safety standards. Such as process can also be used as a service.

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Product safety has top priority in the dairy industry

Milchwerke Schwaben processes 410 million kilograms of milk and whey each year. Metal detection must be installed at various checkpoints to control for the quality of dairy products. Butter and rice pudding, for example, are transported through pipelines prior to filling. In order to ensure these packaged products are free of metallic contaminants, metal detectors are used.

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A new production plant for plant-based foods requires the best inspection technology

As a new major company with the highest quality requirements, CREMER needs a powerful and reliable metal detection system to ensure that its production facilities meet international standards and reliably produce safe products. All in the interest of food safety.

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Better management of production waste at Plastiques ZD

As Plastiques ZD grew, it became necessary to find an environmentally friendly and cost-effective solution for recycling defective parts and production waste. The company turned to the long-time Sesotec partner, MAT Technologic, for a solution.

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Case Studies

Optimizing Plastic Production at Viet UC Mechanics Polymer Co., Ltd.

Viet UC faced the challenge of eliminating metallic contaminants from masterbatch to prevent particles from entering plastic mixtures during production. These contaminants could not only compromise the quality of the final product but also lead to machine downtime and customer complaints.

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Industry Brochures

Product Purity. Leading Contaminant Detection Technologies for the Food Industry
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Industry Brochures

Product Inspection in the Meat Industry

Brochure about the production and processing of meat products.

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Metal separator for free-fall applications with turnable separation unit

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Hochleistungs-Metall-Separator für Freifallanwendungen

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Metall-Separator für Extruder, Spritzgieß- und Blasformmaschinen

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PROTECTOR MF

Metall-Separator für Spritzgießmaschinen, Extruder und Blasformmaschinen

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Metall-Separator für Fülleranwendungen

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Metal separator for pumped products

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INTUITY

Metal detector for installation on conveyor belts

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Product Brochures

GLS

Metal detector for installation on conveyor belts

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Product Brochures

GF

Metall-Separator für pneumatische Förderleitungen

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Metall-Separator für pneumatische Förderleitungen in der Lebensmittelindustrie

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Plate type metal detector for installation in conveyor belts and material chutes

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Product Brochures

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Metall-Detektor zum Einbau in Förderbänder

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Product Brochures

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Splitable metal detector for installation on conveyor belts and material chutes

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Flächen-Metalldetektor zum Einbau in Förderbänder und Materialrutschen

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Metall-Detektionssystem für Förderbandanwendungen

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