Metal Detector Machine

Metal-Detector

Industrial Metal Detector

A metal detector machine is a critical quality control solution used in the packaging industry to detect and remove metal contamination before products are distributed. During production or packaging, small metal fragments such as ferrous, non-ferrous, and stainless steel particles may accidentally enter products. An industrial metal detector machine helps identify these contaminants early, allowing manufacturers to prevent product recalls and maintain food safety compliance standards.

This technology is widely used across industries including food processing, pharmaceuticals, packaging, and manufacturing, where strict safety requirements are essential. By ensuring accurate contaminant detection and consistent inspection performance, a metal detector machine helps businesses protect product integrity, consumer safety, and overall brand reliability.

Technical Specifications

  • Specification Description
    Machine Type Conveyor Metal Detector
    Detection Type Ferrous, Non-ferrous, and Stainless Steel
    Detection Sensitivity Fe: ≥ 0.8 mm / Non-Fe: ≥ 1.0 mm / SUS: ≥ 1.5 mm (product dependent)
    Conveyor Belt Width 200 – 600 mm (customizable)
    Conveyor Speed 20 – 40 m/min (adjustable)
    Product Height Clearance 50 – 300 mm
    Reject System Air blast / Pusher / Flap / Drop-down
    Control System Digital control with HMI touchscreen
    Product Memory Up to 100 product settings
    Construction Material Stainless Steel SS304 / SS316
    Protection Rating IP54 / IP65 (optional)
    Power Supply 220V / 50Hz / Single Phase
    Power Consumption Approx. 0.5 – 1.0 kW
    Operating Temperature 0 – 40°C
    Compliance HACCP, GMP, CE
    Integration Suitable for inline packaging and conveyor systems

How a Metal Detector Machine Works

A metal detector machine uses a balanced 3-coil system to detect metal contaminants during production. Metal particles like ferrous, non-ferrous, or stainless steel disturb the detection field, allowing the machine to quickly identify and remove contaminated products from the production line.

Transmitter Coil

Generates an electromagnetic field that forms the detection zone for products passing through the machine.

Receiver Coils

Monitor the field and detect disturbances caused by ferrous, non-ferrous, or stainless steel contaminants.

Detection & Rejection

When metal is detected, the machine triggers the rejection system to remove the contaminated product from the production line.

Industry Applications

Food Production

Detects metal contaminants in packaged and unpackaged food products to ensure product safety and compliance with food safety standards

Beverage Lines

Inspects bottles, cans, and cartons to prevent metal contamination during high-speed filling and packaging processes

Snack and Confectionery

Ensures candies, biscuits, chips, and confectionery products are free from metal contaminants before final packaging.

Pharmaceutical Products

Provides reliable metal detection for tablets, capsules, and medical products to meet strict quality and regulatory requirements.

Non-Food & Industrial Products

Suitable for inspecting non-food items such as plastics, chemicals, and industrial components.

Plastics & Rubber

Detects broken needles or metal fragments in fabrics and garments to ensure safety.

Garment & Textile

Detects broken needles or metal fragments in fabrics and garments to ensure safety.

Need more info? Check out our most frequently asked questions.

What products can metal detector machine inspect?

Apposite with food products, drinks, medicines, snacks, baked foods and miniature industrial items.

Is it able to identify the presence of metals within packaged products?

Yes. Instances of metal contamination can be detected by the modern machines using metal packaging materials like plastic, foil and cardboard.

Sensitivity of detection How sensitive is the detection?

The choice of sensitivity is determined by the type of product, size and packaging but with high-quality systems, tiny metal fragments can be detected.

Is it appropriate to high-speed production lines?

Yes. The metal detector machines are made in such a way that they can operate continuously without slacking production.

How is the system maintained?

Sensors and belts are regularly cleaned, calibrated and inspected to make sure that their performance is constant.

Is a metal detector machine required for food manufacturing?

Yes. It helps ensure product safety, meet regulatory standards, and prevent contaminated products from reaching consumers.

What types of metals can the machine detect?

It can detect ferrous, non-ferrous, and stainless steel metals in a wide range of products, both packaged and unpackaged.

Reliable Solutions For Your Production

We’re here to help you maintain product quality and safety.

For more metal detector machine options, visit our Checkweigher Metal Detector solutions page.