Lock Metal detector

• Detecting ferrous, non-ferrous, and stainless steel contaminants in packaged food products.
• Ensuring product safety and compliance with food industry standards prior to dispatch.
• Protecting downstream processing equipment from potential damage caused by metal foreign bodies.
• Quality control checkpoint for baked goods, confectionery, meat products, and ready meals.

Typical throughput

Varies significantly based on product size, speed, and sensitivity settings; commonly processes hundreds to thousands of items per hour.

Power supply

Typically 3-phase, 400V, 50Hz, requiring a dedicated industrial electrical connection.

Construction material

Units of this type are almost exclusively constructed from stainless steel for hygiene and durability in food environments.

Operating environment

Designed for use in food production facilities, often with IP ratings suitable for washdown procedures.

Detection sensitivity

Commonly adjustable to detect metal spheres from approximately 0.8mm (ferrous) to 2.0mm (non-ferrous/stainless steel), depending on product effect.

Rejection mechanism

Often integrated with an automatic rejection system (e.g., air blast, pusher, or retracting belt) to remove contaminated products.

• What types of metal can this detector identify?

  Lock metal detectors are designed to identify ferrous (magnetic), non-ferrous (e.g., aluminium, copper), and non-magnetic stainless steel contaminants.

• Is this unit suitable for wet or dry products?

• What maintenance is typically required for a metal detector?

• Can the conveyor speed be adjusted?

• What is the significance of the 'aperture' dimensions?

• Is calibration necessary for a used metal detector?

Metal detectors for food processing remain reliable workhorses in quality control operations. Buyers typically value their durability and consistent contamination detection capability. When purchasing used units, inspecting calibration history and sensitivity settings proves essential. Industry sentiment favours machines with straightforward maintenance records and minimal downtime. Common strengths include robust construction, straightforward operation, and cost-effectiveness compared to new equipment. Prospective buyers should verify functional testing documentation and assess integration compatibility with existing production lines.

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