Which equipment is used to detect metal fragments in products?

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Metal screening is done with equipment designed to identify foreign contaminants in line flow. Metal detectors generate an electromagnetic field and detect disturbances caused by metal pieces passing through; when metal is detected, the line can be stopped to remove the item. X-ray machines scan products and reveal dense materials in an image, making metal fragments visible for removal. These tools are specifically built for contamination control, unlike thermometers (temperature), pH meters (acidity), or scales (weight). Ensuring these screening devices are properly functioning and calibrated is essential for food safety and regulatory compliance.