Tunnel Metal Detector

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Metal Detection Equipment

Metal detection system for detecting metallic impurities in non-metallic materials transported on conveyors

Tunnel metal detector is designed based on the principle of electromagnetic induction to identify various metal foreign objects such as iron, stainless steel, copper, aluminum, etc. mixed into products. When the system detects metal foreign objects, it sends a signal to the equipment's control system to alert and prompt the removal of non-conforming products or automatically separate the product through a separation device. The purpose of the metal detection system is to ensure food and drug safety, avoid customer complaints, product recalls leading to direct economic losses, and intangible brand image losses, as well as to protect downstream production equipment such as cutting tools and molds from damage by metal foreign objects. Metal detection systems are essential equipment for annual audits of food and drug manufacturers.

SINBON has been engaged in the research, development, and application of metal detection systems for nearly 20 years, with rich experience in configuring suitable metal detection systems for you.

Tunnel Metal Detectors We Offer

Tunnel Metal Detector with Control System
Pharma Metal Detector MD-25 Series
Industrial Conveyor Metal Detector SBI Series
Free-Fall Metal Detector FMD Series
Pipeline Metal Detector LMD Series

Specifications

Detection Principle	Balanced coil (based on the principle of electromagnetic induction)
Tunnel Size	Length: 80-1600mm (customizable) Width: 80-600mm (customizable)
Optimal Sensitivity	Fe: Ø0.25mm; Non-Fe: Ø0.4mm; SUS316: Ø0.4mm;
Alarm	Acoustic alarm
Power Source	AC220V;50HZ;1P
Operation System	SINBON multilingual control system

Features

Tunnel metal detector can accurately detect magnetic and non-magnetic metal foreign objects mixed into products.

Metal detection system prevents downstream production equipment from damage or downtime for maintenance.

Avoid losses caused by customer complaints and product recalls.

Low equipment maintenance costs, long service life, and quick recovery of equipment costs.

The metal detection equipment has a self-learning function, and the product setting operation is simple (Auto Product Learn, the machine automatically learns and stores corresponding data for products).

Up to 32 product preset storage functions allows for quick product switching.

Multi-language operating system allows for easy operation by local personnel.

Password protection function prevents unauthorized personnel from changing settings.

Counting and statistical functions, report printer (optional).

IP65 protection level, strong and durable.

Non-standard metal detectors with different channel sizes are customizable.

Optional

Conveyor

Touch Screen

Rejection Mechanism (air-blowing rejection, push-plate rejection, inclined conveyor belt rejection, powered roller conveyor rejection)

FAQ

The tunnel metal detector is suitable for detecting metal impurities in packaged or bulk products. In order to accurately determine whether it is suitable, buyers need to provide necessary information such as the name of the tested product, the maximum packaging size of the product, production capacity, and whether there are special sensitivity requirements. Contact SINBON's sales team for assistance in confirming the appropriate machine configuration.

While local service points are limited, buyers may seek assistance from local dealers, if available. Prior to leaving the factory, the machine undergoes complete assembly and testing and is shipped fully assembled, requiring no special installation or debugging. Simply power on the machine for use and reference the manual or instructional videos for parameter settings. In the event of any issues, contact the seller for online guidance and support.

Our tunnel metal detector comes with a 12-month warranty, excluding consumable parts. Within the warranty period, replacement parts are provided at no additional cost (excluding shipping expenses), while reasonable fees apply for parts outside the warranty coverage. Lifetime free remote technical support is also offered for the equipment.

Contact us promptly for assistance in resolving the issue. We can conduct real-time remote fault diagnosis and promptly ship replacement parts if needed.