a Metal-Detector Test Piece Actually Is
On most food lines, product passes through a metal detector or an x-ray inspection system before it gets packed or shipped. The machine is supposed to spot and reject anything containing metal above a set size. Think blade fragments, wire, or a bolt that worked loose from the equipment.
But a detector is only
useful if you know it still works. So operators run a certified test piece through it at set intervals to confirm the system detects and rejects contamination. Usually it’s a
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