FOOD & BEVERAGE A NEW ERA IN FOOD SAFETY
Fortress Technology examines the different factors that are accelerating the need for smarter metal detection systems and how intelligent inspection equipment is meeting the need for improved food safety
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riven by ever-stricter safety regulations and the need for traceability across the supply chain,
food manufacturers are increasingly turning to inspection solutions with improved precision and greater digital capabilities. Beyond identifying contaminants,
smarter technology is being used within or alongside inspection systems to improve efficiency, compliance and, ultimately, profitability. As consumer trends, production methods and delivery platforms continue to shift at a rapid pace, the U.S. Food and Drug Administration (FDA) has addressed these changes with its New Era of Smarter Food Safety. Building on the framework of the FDA
Food Safety Modernization Act (FSMA), as with many developments in food safety, other countries, including the UK, are expected to converge towards this blueprint and the application of technology-enabled traceability to trace a contaminated food to its source. Additionally, the FDA’s blueprint outlines the need for smarter tools and approaches for prevention and outbreak responses, new business models, retail modernisation and embedding a food safety culture. As new food legislation suggests,
traceability is, and will continue to be, a key priority. The speed at which a food company can publicly pinpoint the source of a contaminant is imperative and can minimise the damage caused by a recall. While inspection systems such as metal detectors and x-ray are an integral first step in quality control, proper management
with regular testing is vital to ensure optimum protection is achieved. In its blueprint, the FDA discusses the
feasibility of remote, virtual, and/or component inspections of foreign and domestic firms. This principle can also be applied to the testing process of metal detectors and x-ray machinery. Automatic digital testing software, for example, is starting to gain industry acceptance and allows for tests and records to be activated automatically and even remotely if required.
Some food firms are turning to advanced systems that offer multi-orientation, multi-scan detection
detector, as operators might lower the sensitivity to the point where contaminants pass through. To overcome this issue, some food firms are
turning to advanced systems that offer multi- orientation, multi-scan detection. Compared to the traditional single or dual frequency food metal detectors, this new methodology uses multiple coil sets to instantaneously drive the electromagnetic fields in different directions. Rather than missing a metal contaminant because it hasn’t aligned with a specific field, it looks for signals over a broad spectrum, from various angles. Alongside eliminating the risk of false rejects
and ensuring high sensitivity, in-built automatic product tracking and data capture software will further increase transparency and traceability. When it comes to adopting smarter
Manufacturers can now opt for a system that pre-configures every test by retailer code of practice and product being inspected
Leveraging digital concepts for this critical
step in food safety compliance provides manufacturers with a true measure of how each inspection machine is performing. Testing interoperability not only removes the risk of human error, but also reduces labour costs and safety hazards associated with manual checks. To fully realise this prevention-based
framework, manufacturers must adopt inspection equipment with improved sensitivity levels, and realise the importance of eliminating false rejects. Identifying metal
Digital test technology can be fitted to bulk, gravity, pipeline, and conveyor style metal detectors
48 FEBRUARY 2021 | PROCESS & CONTROL
within conductive products can involve changing the frequency to minimise the effect. However, this can have a devastating impact on the accuracy of a
technologies and approaches, it is not wise to pit metal detection and x-ray against one another. Depending on the application, both have a place on a production line. Metal detectors are integral to identifying low-density metals, while x-ray food inspection machines are worth investing in if there is a contamination risk of other foreign materials. Factory layouts and the placement of
inspection machinery is another important consideration. When working together, an x-ray system will tend to favour an in-line position, whereas metal detectors are better located towards the end of the processing line, often after packaging. Fortress Technology’s commercial manager
Jodie Curry, concludes: “While an x-ray machine will be able to detect things a metal detector can’t and vice-versa, ultimately both are complementary technologies. The same can be said for advanced inspection systems and well- executed food safety programs. Smart technology must be implemented alongside more effective and modern approaches to preventative measures and safety strategies. As the supply chain grows increasingly complex and we enter this next era of technological developments, it’s essential to work closely with a solution provider who can help you to maximise the benefits of your equipment and keep pace with an ever-changing industry.”
Fortress Technology
www.fortresstechnology.co.uk
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