Skip to main content
Inspecting packaged cereals can be challenging as they often contain products of different densities, plus packaging and cardboard. Image courtesy of Fortress Technology.

March 30, 2021 by Steve Gidman

With a metal detector, metals that have one or both conductive magnetic characteristics — such as brass, bronze, ferrous metals, etc. — will create a detectable signal. Non-magnetic stainless steel is harder to pick up — it’s a bad conductor — and certain food products with added iron, moisture, salt and acids tend to mask metal detection. Known as the “product effect,” this can impact inspection performance.

Read more on Packaging Strategies.