The Metal Detection Guide provides a comprehensive reference source to metal detection technology for use in the food and pharmaceutical industries.
A Guide explaining the concept of sensitivity for industrial metal detectors — how it is measured, factors that impact it, and why it is essential to maximize the sensitivity of your metal detection system. During the pandemic, social distancing posed unique challenges for ongoing requirements to maintain equipment uptime and productivity.
This enables us to continue to provide the quick expert support you need to achieve your productivity goals. Using a mobile device with an integrated camera enables us to see exactly what you see. We can guide you step-by-step to resolve the issue by providing real-time contextual assistance, such as adding text, drawings, or highlighting objects with 3D markers. Benefit from the fastest fault diagnostics, repair and part replacement support by using the latest technology.
In addition, we can remotely connect to some of our products for additional service enhancement. Please contact your local service team for more details. We support and service your product inspection equipment through its entire lifecycle, from installation to preventive maintenance and calibration to equipment repair. An industrial metal detector or metal detection inspection system inspects raw or processed foods or non-food products and pharmaceutical products for metal contamination and safely rejects contaminated product from the production line.
Food processing companies use industrial metal detectors to comply with food safety standards, retailer codes of practice and legislation. The majority of industrial metal detectors are balanced coil systems. Three coils are wound onto a non-metallic frame and each coil is exactly parallel with the other two. We explain exactly how metal detectors operate in our Metal Detection Guide. You can read more about this from page 8 of the guide.
The sensitivity of an industrial metal detector can vary depending on the application, the metal detector manufacturer and the metal detector itself. Sensitivity performance is determined by the diameter of a sphere made from a specific type of metal. The sphere must be reliably detectable when placed in the center of the aperture of a tunnel metal detector. A tunnel metal detector loses sensitivity the larger the aperture size. Dry products such as confectionery and cereals, are relatively easy to inspect.
Detectors operating at high and ultra-high tuned frequencies typically in the region of kHz and above deliver high levels of overall sensitivity and are especially good at detecting stainless steel type contaminants.
When inspecting wet or conductive products such as fresh meat, poultry, cheese, fish and metallized film packed products, the situation is different. The wet product itself creates a 'product effect signal' in the detector — and this signal needs to be cancelled out before inspection can begin.
Innovative multi-simultaneous frequency technology combined with a product signal suppression algorithm can be used to overcome product effect, detecting significantly smaller metal contaminants. Automated Reactors and In Situ Analysis. Transport and Logistics. Expertise Library. Literature: White Papers, Guides, Brochures. Technical Documentation. On Demand Webinars.
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