Tunnel metal detector DMG

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Tunnel metal detector DMG

The DMG type tunnel metal detector is designed to detect ferrous and non-ferrous metals in piece goods or bulk materials transported on belt conveyors with the highest precision. The DMG detector is used to control the quality of food products and protect the consumer against eating dangerous metal pieces.

The DMG metal detector is reliable, easy to use and designed for continuous operation. The metal detector is characterized by the highest sensitivity of metal detection in the entire area of the transport tunnel. The DMG detector meets the requirements of food quality management systems ISO 9001, ISO 22000, HACCP, BRC, IFS.

Features of tunnel metal detectors from Magnetix

  • Custom-made tunnel metal detector according to individual requirements.
  • Robust and durable design for continuous operation 24/7 under difficult working conditions.
  • High detection sensitivity of ferrous and non-ferrous metals as well as stainless steel.
  • State-of-the-art DSP digital signal processing technology.
  • No dead zones - high sensitivity in the entire area of ​​the transport tunnel.
  • Adaptable to all types of belt conveyors.
  • Transport tunnel width up to 2800 mm.
  • Transport tunnel height up to 1000 mm.
  • Hygienic design with materials approved for contact with food (FDA approved).
  • High resistance to vibration, shocks, and temperature fluctuations.
  • Operating temperature up to 80°C.
  • Intuitive operation using a colour touch screen.
  • Electronic adjustment of scanning sensitivity.
  • Automatic teach-in mode (Auto-Set) to mask out intrinsic conductivity of products and environmental influence.
  • Memory for 300 different products.
  • Control audit in accordance with the requirements of HACCP, IFS, BRC systems.
  • Event log with RTC real-time clock with power backup.
  • Data transmission from the detector and connection to the company network.
  • Remote operation, diagnostics and central data management.

Applications of tunnel metal detectors

  • Detection of metals in meat, cold cuts, fish and meat products.
  • Metal detection in cheese and other dairy products.
  • Testing of frozen vegetables, fruit and ready meals.
  • Testing of cookies, chocolate, ice cream and other confectionery products.
  • Detection of metals in rolls, bread and other bakery products.
  • Inspection of loose food products packed in plastic bags and cartons.
  • Inspection of liquid products contained in plastic or glass bottles.
  • Detection of metals in dietary supplements and sports nutrition products.
  • Metal detection in raw materials and components at various stages of pharmaceutical production.
  • Testing of personal hygiene products and materials used in their production.

The DMG tunnel metal detector allows you to examine individual packaging and collective packaging such as cartons and boxes. It is also possible to detect metals in products packed in metallized foil. The device is widely used in the food industry, provides the highest sensitivity of detection of metal contaminants and guarantees food safety.

DMG metal detector during operation

Versions of tunnel metal detectors

  • DMG-IP66 / IP69 type metal detector
    Dustproof and rainproof design.
  • DMG-DUO type metal detector
    Multi-frequency technology for products packed in metallized foil.
  • DMG-EX type explosion-proof detector
    Manufactured in compliance with the ATEX directive and certified by a notified body.


DMG metal detector accessories

  • Belt or modular conveyor made of materials approved for contact with food.
  • Optical and acoustic signal system.
  • Contaminated product separation units - blowing nozzles, pushers.

Working principle of the tunnel metal detector

The tested product (loose or in a package) transported on a belt conveyor moves through the metal detector tunnel. The detector creates a high-frequency electromagnetic field throughout the entire transport tunnel area - no dead zones. The electromagnetic field generated by the transmitting coil induces a certain signal in the receiving coil. The metal contained in the product deforms the electromagnetic field lines generated by the transmitting coil, thereby changing the amplitude and phase of the signal induced in the receiving coil. The received signal is analyzed by the detector's electronic system and converted into a metal detection signal. The metal detector detects iron and its alloys, including stainless steel and acid-resistant steel, and non-ferrous metals such as aluminium, copper, brass, zinc, lead, silver, etc. also inside the package. The scanning sensitivity is adjusted using a digital control unit.

Why choose our tunnel metal detectors?

The DMG tunnel metal detectors we offer are intended mainly for the food industry, but they can be successfully used in other demanding industries. Thanks to the undivided construction (monoblock), they provide high resistance to vibrations, shocks and temperature fluctuations. Over 340 possible sizes of detector tunnels enable installation on most existing belt conveyors. A short metal-free zone additionally saves time and installation space on an existing installation. The IP66/69K protection class allows easy and trouble-free cleaning, even with a water jet from a pressure washer.

Advanced control units with multi-range search frequency (DUO technology) enable optimal detection sensitivity and the highest product purity. A touch display with visualization of the product and ongoing processes enables simple operation and saves time by quickly setting the detector parameters. The quality control program complies with IFS, BRC, HAACP and ISO 22000 standards. DMG tunnel detectors can be equipped with interfaces enabling communication in technological networks. This allows you to save time by communicating with an individual device and monitoring work in real time. Factory certificates and approvals, which the customer receives upon request, are solid arguments during internal and external audits.

 

Metal detector price and delivery date

Based on the working conditions specified by the Customer, the appropriate type of detector is selected and its price is determined, which depends primarily on the size of the transport tunnel and the type of electronics used to evaluate the data. Mounting accessories are priced individually based on an analysis of the specific location of the device.

The delivery date of the device on order is standardly 6 - 8 weeks. We also fulfill orders with an accelerated deadline. Magnetix also has a large warehouse of detectors available immediately.

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