Conveyor Belt Food Metal Detector

                                                                                 Small Tunnel Food Metal Detector

Compact Conveyor Metal Inspection Machine for Small‑Size Packaged Products

This small tunnel metal detector is compact‑size conveyor‑style metal inspection equipment, purpose‑built for inspecting small‑format packaged goods such as sachets, small pouches, stick packs and mini retail food packages.

The narrow detection tunnel (small aperture) delivers superior detection sensitivity for tiny ferrous, non‑ferrous and stainless‑steel metal fragments mixed in raw materials or during manufacturing. Constructed with full food‑grade SUS304 stainless steel, IP65 water‑resistant housing and food‑safe PU conveyor belt. It can be directly integrated into compact production lines for space‑limited workshops. When metal contaminants are spotted, the unit triggers sound‑light alarm, optional belt stop or pneumatic automatic rejection to remove defective products.

Perfect for factories that run small‑package food production, helps you satisfy HACCP & food safety audit standards, mitigate product recall risks and protect your brand credibility.

Features:

1.Using the latest generation of digital signal processing (DSP) technology and intelligent algorithms to improve the detection accuracy and stability;

2.Using  automatic filtering technology (phase adjustment technology), can effectively inhibit the product effect; able to detect products with larger products, such as: frozen food, meat, rice, pickles, fish paste

3.With smart settings, the device automatically sets the optimum sensitivity for the product being tested, making it easy to operate.

4.Memory function: Save the best sensitivity, the next test can be directly detected, can store more than 50 kinds of product testing parameters;

5. LCD screen display, menu in English and Chinese, easy to achieve man-machine dialogue operation；

6.Can detect iron, stainless steel, copper, aluminum and lead and other metal materials

7.Flexible digital sensitivity control and a variety of advanced manual settings; a variety of specifications to choose from, to meet the sensitivity of different materials testing requirements; 

8.All stainless steel SUS304 manufacturing, high-grade protective motor to choose from; 

9.Simple detachable rack, easy to cleaning; conveyor belt special design, to avoid conveyor belt deviation，

10.A variety of exclusion method  can be selection. Accurate reject control to ensure that foreign matter is a reliable removal of the least material waste;

Auto Reject:

• Equip a suitable reject  according to product size and weight (Option).

• Belt stop and audible alarm is a basic option.

• Continuously monitoring. Conveyor runs without stop while detecting contaminated products.

Tchnical Parameter:

 Size can be customized according to your requirements，please contact us for more details. Thanks

Application:

The metal detector are used to detect the metals,industrial metal detectors offer the most reliablemethod to protect your machinery and customers frompotential damage caused by metal contaminants. 

• Small sachet & pouch food: seasoning packets, sauce sachets, snack mini‑bags 

• Confectionery & candy: wrapped candies, chocolate small packs

•  Nuts, dried fruits, small‑bag grain products

•   Pet food small packages 

•  Pharmaceutical small sachets & cosmetic sachet inspection

•   Ideal for compact production lines with limited installation space

Why Buy Our Small Tunnel Metal Detector

 Original Manufacturer Direct Supply

We are factory based in Dongguan China, no middleman cost. Competitive factory price for B2B importers & food processing plants.

Higher Sensitivity For Small Products

Small‑aperture tunnel geometry delivers better detection performance for micro‑metal fragments compared with large‑tunnel general‑purpose metal detectors.

Pre‑sales Sample Testing Support

Send us your actual product samples. We will run real‑machine tests, record test video and provide sensitivity report before you place the order.

Complete After‑sales Package

User manual, operation tutorial videos, remote troubleshooting, readily‑available spare‑parts supply.

Export‑safe Packing

Robust export plywood case for ocean freight to avoid transit damage.

FAQ:

Q1: What is the advantage of small tunnel metal detector vs standard big tunnel model?

A: Small‑aperture tunnel provides much higher detection sensitivity for tiny metal pieces for small‑size packages. Meanwhile it occupies less workshop space for compact production lines.

Q2: Can this machine add automatic reject function?

A: Yes. Pneumatic auto‑reject unit is optional. We can configure push‑rod or flap‑style rejector according to your product weight and size.

Q3: Can you customize the tunnel internal dimension?

A: Absolutely. We tailor the tunnel width and height to fit your maximum product size.

Q4: Can it detect metal inside aluminum foil small sachets?

A: Standard version works for non‑aluminum‑foil packaging. For heavy aluminum‑foil sachets, please contact us for special foil‑tolerant upgraded model.

Q5: What is your lead time & warranty?

A: Standard model lead time around 7‑15 working days. 1‑year full machine warranty, lifelong online technical support.

Need quotation for your small‑package inspection project?

Share your product dimensions, package material, target detection sensitivity and production‑line speed.

 Send inquiry now, our engineering team will send you full proposal and best offer within 24 working hours.

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