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Handheld Metal Detector - Secure Scan Metal Detector
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Handheld Metal Detector

Handheld Metal Detector with Holster
Free Shipping. The use of guns and weapons have become so common that not even our schools are safe anymore. Assure your security with our handheld metal detector. Light-weight and easy to use, yet powerful enough to detect concealed metal objects as small as a hat pin. Ideal for airports, schools, prisons, sporting events, etc. to locate metal weapons. Features an earphone jack, sensitivity adjustment, and carrying holster with belt loop. Requires one 9 volt battery.

Delivery: 3 - 7 business days

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Metal Detector
From Wikipedia, the free encyclopedia

Metal detectors use electromagnetic induction to detect metal. Uses include de-mining (the detection of land mines), the detection of weapons such as knives and guns, especially at airports, geophysical prospecting, archaeology and treasure hunting. Metal detectors are also used to detect foreign bodies in food, and in the construction industry to detect steel reinforcing bars in concrete and pipes and wires buried in walls and floors.

In its simplest form, a metal detector consists of an oscillator producing an alternating current that passes through a coil producing an alternating magnetic field. If a piece of metal, which is electrically conductive, is close to the coil eddy currents will be induced in the metal, and this produces an alternating magnetic field of its own. If another coil is used to measure the magnetic field (acting as a magnetometer) the change in the magnetic field due to the metallic object can be detected.