Metal detectors are multipurpose tools that are used for industrial, security and personal use. From beach bums looking for buried treasure to soldiers looking for land mines, the reasons for using metal detectors can vary widely. The sensitivity of metal detectors and their effectiveness in identifying different types metal can also vary depending on the design of the metal detector.
Metal detectors work by using electromagnetic induction to detect metal. The basic design usually consists of and oscillator that produces an alternating current. This current passes through a coil which produces an alternating magnetic field. Pieces of metal react to this current by producing their own magnetic field which is picked up by metal detectors. You can find True Treasures with your metal detector.
The designs of metal detectors vary in their sophistication and usefulness. Some metal detectors can differentiate between different types of metal so the operator can determine if they have found what they want before digging it up. Certain models of metal detectors have greater depth than others. Compared to their predecessors, modern metal detectors are lighter, can detect deeper and are more effective at discriminating types of metal.
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