

The food metal detector is essential equipment for food manufacturers to detect metal contaminants in packaged or bulk food products. Foodline offers conveyor metal detector capable of identifying ferrous metals, non-ferrous metals, and stainless steel particles during the food production process. This equipment helps factories enhance product safety and perform final quality inspections before products reach the market. Get in touch with Foodline for a free quotation!
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Foodline Food Metal Detector for Sale
This food metal detection machine is an automated inspection system to identify metal impurities within food products. It utilizes electromagnetic induction technology to detect metal particles inside the product, and triggers an alarm upon detection.
Foodline conveyor metal detector machine can be integrated with various food processing systems. It is usually installed at the end of food production lines or at critical inspection points to screen products before they leave the facility. It helps manufacturers mitigate risks associated with metal contamination, such as customer complaints, product recalls, and equipment damage.
In food packaging production, a typical configuration follows this sequence:
Food processing equipment → Packaging machine → Food metal detector → Automatic rejection system → Finished product conveyor
Examples include:
- Installed downstream of a VFFS (Vertical Form-Fill-Seal) packaging machine
- Paired with a vacuum packaging machine
- Integrated into a frozen food packaging line
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Specifications of Foodline Food Metal Detection Equipment
| Machine Material | 304 stainless steel (316 stainless steel available for customization) |
| Conveyor Belt Material | Food-grade PU material (other materials available upon request) |
| Human-Machine Interface | LED digital display / 7-inch LCD touchscreen |
| Operating Language | Chinese / English (other languages available for customization) |
| Detection Method | Electromagnetic wave detection |
| Detection Sensitivity | Ferrous ball: φ1.5 mm, Non-ferrous ball: φ2.0 mm, Stainless steel ball: φ3.0 mm |
| Sensitivity Adjustment | 100 levels adjustable |
| Alarm Method | Audible and visual alarm |
| Conveyor Speed | Fixed speed: 20 m/min or adjustable speed: 15-30 m/min (customizable) |
| Detection Opening Size | Width 400 mm × Height 200 mm |
| Conveyor Height from Ground | 680 mm + 200 mm (customizable height) |
| Input Voltage / Power | Single-phase 220VAC or 110VAC, 200W |
| Machine Weight | 160 kg |
| Overall Machine Length | 1600 mm (customizable length) |
Foodline develops a wide range of metal detector machines for food industry! Get in touch for a quote!
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How It Works?
The food metal detector machine utilizes changes in electromagnetic fields to identify metal contaminants within products.
It has detection coils that generate a stable, high-frequency electromagnetic field. As a product passes through the detection zone, any metal particles present alter the electromagnetic signal. The control system analyzes these signal changes to determine whether the product contains metal.
Upon detecting metal, the machine triggers a sound and light alarm, and removes contaminated products through an automatic reject system.

What Metals Can Be Detected?
This industrial food metal detector can identify various metal contaminants that may enter food products during the processing stage.
| Metal Type | Common Sources |
| Ferrous Metal | Equipment wear, broken tools, steel fragments |
| Non-Ferrous Metal | Copper wire, aluminum pieces, brass parts |
| Stainless Steel | Mechanical parts, screws, welding fragments |
Ferrous metals exhibit strong magnetic properties, making them easier to detect. Stainless steel has weaker magnetic properties, so detection equipment requires higher sensitivity.
Metal detectors for food production help factories identify these contaminants before products leave the production area.
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Performance Features of Our Metal Detector for Food Industry
1. Detects Multiple Metal Types
The equipment detects ferrous metals, non-ferrous metals, and stainless steel particles, including iron, copper, aluminum, and SUS materials.
2. 7-Inch LCD Touchscreen
The multilingual interface is easy to operate, with clear and intuitive parameter settings that meet daily production needs.
3. One-Touch Product Learning
The system automatically learns and saves product parameters after a single pass, reducing setup time when switching between products.
4. Automatic Phase Adjustment
This technology minimizes product interference during inspection, improving detection accuracy for frozen foods, meat, fruit, and other high-moisture products.
5. High Detection Sensitivity
The equipment reduces detection blind spots, facilitating the identification of minute metal contaminants during continuous production.
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Metal Detection Machine for Food Industries
| Snack Food Industry | Potato chips, French fries, Popcorn, Nuts, Peanuts, Sunflower seeds, Dried fruit, Beef jerky, Biscuits/Cookies, Chocolate, Candy |
| Meat Processing Industry | Sausages, Ham, Bacon, Cured meat, Meatballs, Meat patties, Deli meats, Vacuum-packed meat products |
| Frozen Food Industry | Frozen dumplings, Frozen glutinous rice balls (Tangyuan), Frozen steamed buns (Baozi), Frozen vegetables, Frozen fruit, Frozen fish, Shrimp/Prawns, Seafood products |
| Bakery Industry | Bread, Cakes, Mooncakes, Cookies/Biscuits, Egg tarts, Pastries |
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Foodline: Your Source for Food Processing Equipment
Foodline is a manufacturer and supplier of food processing equipment in China. We provide high-quality food machinery to clients worldwide.
Our food metal detection equipment is widely used across various food production and manufacturing sectors: bread production lines, biscuit production lines, candy production lines, powder filling lines, frozen food processing lines, etc. The food metal detector helps food plants establish reliable metal detection processes within their production systems.
- Foodline operates its own manufacturing facility for food processing machinery.
- We have supplied food machinery to clients across numerous countries and regions.
- We provide installation guidance and operational support to our clients.
- Our experienced production team handles both standard orders and large-volume procurement needs.
- Machines are securely packaged to comply with international shipping standards.
- Clients can inspect the machinery and its production status prior to shipment.
Get a Quote for Food Metal Detectors
Planning to add metal detectors for food production line? Send us your project details, including products to be inspected, number of machines you need, required conveyor belt height and width, and expected purchase time. We will provide a suitable configuration and quote based on your needs.










