How to Choose the Right Digital Metal Detector?

Digital metal detector is a production equipment used to detect metal impurities and fragments in industrial materials, mainly used in industries such as food, pharmaceutical, chemical, electronics, and feed. It can ensure the quality and safety of the product by detecting, identifying, and separating metal impurities in the product.

The composition of a digital metal detection machine mainly includes two parts: the mechanical conveying part (conveyor) and the electronic detection part (metal detection head). The conveyor is used to transport industrial materials to be inspected, while the metal inspection head is used to detect metal impurities in the materials.

The working principle of a digital metal detector is that when the material to be tested passes through the detection coil, the coil will generate a magnetic field after being energized. If a metal object enters the magnetic field, it will cause changes in the magnetic field, triggering the sensor to detect metal impurities. Some products themselves contain components such as moisture and salt, which may also cause interference similar to metals in the magnetic field. This phenomenon is called the product effect. Intelligent metal detection machines can solve such problems through product effect compensation function.

Once metal impurities are detected, the high speed metal detection machine activates a signal to drive automatic removal devices, such as flippers, push rods, etc., to remove metal impurities from the product.

When choosing a digital metal detector, brand, quality, price, and after-sales service are important considerations. Famous domestic metal testing machine brands include Maidun and others, whose products have good quality, reasonable prices, and excellent after-sales service. In addition, the price of high sensitivity metal detection machines is influenced by various factors, such as detection accuracy, equipment model, manufacturer, etc. When making a purchase, it is recommended that you consider these factors comprehensively based on your own needs and budget.

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