Industrial Metal Detector | Metal Detection in the Food Industry

Basics of Metal Detection in the Food Industry

Increase productivity, support compliance and minimize product recalls due to metal contaminants

Basics of Metal Detection in the Food Industry
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Choosing the Best Solution for Your Application

Choosing the Best Solution for Your Application

Understanding the basics of metal detection in the food industry will help you choose the right metal detector solution for your application. To do this, you must first determine the type of product you will be inspecting. For example, if you are inspecting dry packaged food, tuned technology will be the best option. However, food that is wet, chilled, thawing, hot or in metallized film packaging will benefit from the use of a metal detector with two or more frequencies applied simultaneously, d...

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Understanding the basics of metal detection in the food industry will help you choose the right metal detector solution for your application. To do this, you must first determine the type of product you will be inspecting. For example, if you are inspecting dry packaged food, tuned technology will be the best option. However, food that is wet, chilled, thawing, hot or in metallized film packaging will benefit from the use of a metal detector with two or more frequencies applied simultaneously, delivering far greater detection capabilities in challenging applications. We offer metal detection solutions for almost any application, for example metal detectors for food and non-food applications such as dry powders, snack foods and liquids. Our range of pipeline systems are tailored to address specific requirements, from integration with vacuum fillers for pumped sausage meat through to overcoming bubbles and voids in the product flow of pumped liquids, pastes and slurries.

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Maximize Performance of Your Metal Detector

Sensitivity is a big factor when understanding how to choose the right metal detector. Different metal detectors offer different degrees of sensitivity performance. Sensitivity is the measure of a metal detector’s ability to accurately and consistently detect a specific type and size of metal contaminant. Understanding sensitivity can help you decide the most appropriate solution when comparing different metal detection systems. A difference in spherical sensitivity of 0.2 - 0.5 mm may not ...

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Sensitivity is a big factor when understanding how to choose the right metal detector. Different metal detectors offer different degrees of sensitivity performance. Sensitivity is the measure of a metal detector’s ability to accurately and consistently detect a specific type and size of metal contaminant. Understanding sensitivity can help you decide the most appropriate solution when comparing different metal detection systems. A difference in spherical sensitivity of 0.2 - 0.5 mm may not sound like a lot. However, when you equate this to the capability of each system to detect non-spherical or irregular-shaped contaminants, the difference can be significant. Download our Sensitivity Guide to learn more about metal detector sensitivity performance.

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Increase Productivity Through Ease of Use and Reduced Waste

Increase Productivity Through Ease of Use and Reduced Waste

Productivity gains can be achieved when metal detection systems are easy to use. Localized interfaces, icon-driven menus and guided routine performance monitoring tests help reduce the risk of errors and improve efficiency. Product clustering makes it easier to minimize downtime between product changeovers. Our built-in features maximize stability, combined with advanced inspection algorithms reduce or virtually eliminate false rejects.

Built to Withstand the Harshest Environments

Having a metal detection solution that is fit-for-purpose is essential to maximize your return on investment. In production environments with harsh washdown procedures, it's important to invest in a solution that can withstand the associated cleaning regimes. Single piece liners, multi-way seal technology and ingress protection up to IP69K are essential to support long term, reliable system performance.&nbs...

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Having a metal detection solution that is fit-for-purpose is essential to maximize your return on investment. In production environments with harsh washdown procedures, it's important to invest in a solution that can withstand the associated cleaning regimes. Single piece liners, multi-way seal technology and ingress protection up to IP69K are essential to support long term, reliable system performance. Our metal detectors are built to last. A combination of automatic balance control, enhanced vibration and noise immunity and our unique potting methods make our metal detectors among the most stable and reliable solutions on the market - maximizing metal detector performance and uptime.

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Built to Withstand the Harshest Environments
Compliance with Standards and Retailer Requirements

Compliance with Standards and Retailer Requirements

All our metal detectors and systems help food and pharmaceutical manufacturers comply with industry regulations and retailer requirements. Password-protected, role-based access controls are standard. A suite of due diligence options can be easily integrated on an extensive range of metal detection systems. Our metal detectors provide advance warning of when a performance monitoring test, or a performance verification is due, or overdue, making it easier to meet your compliance obligations.

Service - Smart Diagnostics and Faster Repairs

With the right industrial metal detector manufacturer and maintenance support, a well-built metal detector or metal detection system should last for decades. However, in the event of a breakdown, our 24/7 first line support can get you quickly back up and running. Our training and expertise provide further support to customers. We offer spare part kits to minimize unplanned downtime, upgrades to extend the useful life of your equipment and certified test samples to support compliance needs.

Service - Smart Diagnostics and Faster Repairs

Sample FAQ

What are the best metal detectors for inspecting conveyorized food and non-food products?

A tunnel metal detector integrated with a conveyorized material handling system is the best solution for inspecting packaged, raw or processed foods or non-food products for metal contamination.

METTLER TOLEDO Safeline offers a wide variety of industrial tunnel metal detectors for use in these applications to meet different performance and budget needs. The metal detectors can be used at various stages of the production process, including inspecting raw materials, in-process to protect downstream equipment, or after final packaging to provide peace of mind that there is minimal risk of subsequent contamination.

Profile Advantage technology is ideal for challenging applications that are subject to product effect where food is hot, wet, chilled, frozen, or packed in metallized film, using multi-simultaneous frequency and product signal suppression technology. Profile technology is optimized for dry product inspection.

We also offer a number of other tunnel metal detection solutions for bulk and compact product inspection, as well as combi-systems where a metal detector is integrated with a dynamic checkweigher to provide multiple product inspection capabilities in a single unit, with a compact footprint.

What are the best metal detectors for inspecting powders, grains and granules?

Gravity Fall metal detection systems inspect bulk free-falling powdered and granular products to detect and reject metal contamination in food processing, pharmaceutical and non-food industrial applications. These systems deliver high sensitivity to all metal types under free-fall conditions and come with a choice of high-speed reject devices to remove metal contaminated product from the production process.

Y-Valve Gravity Fall metal detection systems are suitable for the inspection of powders and granular products.

Sealtite Gravity Fall metal detection systems are ideal for inspection of high value, dusty products in explosive environments and applications where insertion space is limited.

Open Diverter Gravity Fall metal detection systems are best for non-dusty granular products where insertion space is limited.

What are the best metal detectors for inspecting products in vertical packing applications?

Throat and Super Throat vertical metal detectors are designed for integration with Vertical Form, Fill and Seal (VFFS) equipment to inspect free-falling products in food processing and packaging applications. These vertical metal detectors are particularly suitable for snack food and confectionery processing where metallized film packaging is used.

What are the best metal detectors for inspecting liquids, pastes and slurries?

Pipeline metal detection systems inspect a range of liquids at varying temperatures, including ice cream and molten chocolate, as well as pastes, slurries and sausage meat.

Choosing the correct Pipeline system is critical to ensure you maximize the performance of your metal detection system.

L-Series Pipeline systems offer versatility for inspecting a wide range of homogenous products such as liquids, viscous fluids such as molten chocolate, pastes, meat slurries, soups and sauces.

Profile Advantage Pipeline metal detection systems deliver high sensitivity in challenging applications subject to product effect (due to bubbles or voids in the product flow).

HDS Pipeline systems are designed specifically for vacuum-filler applications such as sausage meat and other vacuum-pumped foods.

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What are the best metal detectors for inspecting products in pharmaceutical applications?

Pharmaceutical metal detection systems inspect tablets, capsules, powders and granules for metal contamination.

Tablex-PRO and Tablex2 pharmaceutical metal detection systems can detect all types of metal contamination encountered in manufacturing processes, including ferrous, non-ferrous and even the most difficult-to-detect non-magnetic stainless steels (grade 316). Contaminants less than 0.3mm in diameter can be readily detected and rejected.

Pharma GF-Pro metal detectors provide efficient inspection of powdered and granular pharmaceutical and nutraceutical products under free-fall conditions.

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