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Sweet success in conductivity challenge

One of the biggest challenges when using metal detectors to inspect food for contaminants has long been ‘product effect’. It occurs when a product has a conductive property, such as high moisture or mineral content, which affects the magnetic field generated by the metal detector. Surprisingly for many, baked goods and candy wrapped in metallised film are especially vulnerable to this phenomenon.

Phil Brown, Managing Director of Fortress Technology Europe, discusses the science behind metal detection and unwraps the real candy risks.