Devices that emit electronic waves to detect metals underground are called metal detectors. Metal detectors, during operation, send radio electromagnetic signals to the scanned area. The search coil located on the detector calculates the intensity with which the waves hit the metal searched underground and the return information, thus determining where, at what depth, and what size the metal is.
Detectors are programmed to detect different metals. Thus, appropriate results are obtained for the metal being searched. Although they look similar in design externally, they differ functionally. For example, detectors that detect metals such as gold, bronze, silver, and copper underground are called treasure detectors. Treasure detectors are sensitive only to metal, which allows you to reach the target without unnecessary time loss.
When buying a treasure detector, ease of use, equipment, availability of spare parts, warranty, and transport method should be considered.
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The purpose of metal detectors varies from one another. For this reason, they have different designs and technologies. Lithium batteries are preferred as a power source, but there are also rechargeable models.
Metal detectors are sensitive and can easily detect small gold particles and masses underground. By selecting the desired target, detection of nails or worthless metals underground can be avoided.
Features of metal detectors
Metal detectors have sound, 3D, and vibration functions. Thus, the desired notification mode can be chosen when detecting the target.
The condition of the terrain where the search is conducted influences the result obtained by the detector. Therefore, a model that suits the terrain conditions and provides the fastest response should be chosen.
Currently, no metal detector on the market can search below 3 meters. If the goal is to conduct a soil investigation, then a special detector must be chosen.
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