What are metal detectors and how do they work
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Metal detector is an electric device that can identify the presence of metals close to it. Metal detector is useful for finding objects containing metals, or metal objects buried underground. It is often mounted from a portable unit containing a sensitive which can be detected by scanning the ground or other objects. Where the sensor approaches a piece of metal changes the sound of the tone in the headphones, or a needle moves in the indicator. The device often gives an indication of distance or proximity where it emits a stronger tone in the headphones when the distance from the metal body is close to the detector, or the needle jumps higher in the indicator. Another common type is the stationary detector, through which people pass through and which is used for security surveillance at entry points in prison, courts, airports, and some hotels to metal weapons in a person's body.
Uses of metal detectors
Natural rough gold detection including very small gold nuggets
Reveal gold veins found in desert soils within rocks
Discover ancient minted gold coins from the remnants of past civilizations such as Persians and Romans
Reveal ornamental ornaments that have been used since the foot in decorations of kings and women such as rings.
Excavation of ancient monuments made of gold or other metals such as gold or gold-studded swords.
Can the underground metal detector be made easily
Initially, the scientific basis of how to make a long-range gold detector should be known at home, long-range gold detectors rely on the use of techniques such as radio frequencies and electromagnetic waves to explore underground gold. These frequencies interact with underground metals, and are processed by the device to locate and quantify gold.
The Underground of this device is an electronic device with electric circuits and is used to search and detect most types of precious metals such as gold, silver, copper and bronze as well as non-precious such as iron and others. Thus, of course, we can make the device at home with traditional and simple components and components that can be easily obtained from electronics shops and equipment or from items in the house.
The underground Metal Detector is also used for various applications by amateurs and professional prospectors to find old coins, gold ornaments, small antiquities pieces and various metal objects buried underground for a depth not exceeding 3 meters in most devices.
How a metal detector works
Some may believe that the uses of a metal detector are limited to specialists and amateurs wishing to obtain underground metal But in fact it has multiple practical applications so for example it is used in inspection by security personnel when entering places that require a high degree of safety and safety such as airports and tourist places, These devices have become a safety and security requirement at airports, universities, schools, theatres and government buildings to ensure that no armed persons enter these buildings. This is in addition to its uses in the exploration and search for underground minerals.
You can spend hours of amusement searching for precious metals buried in the ground using metal detectors in this article of How Things Work We will explain how remotely hidden metals are detected using special devices called metal detectors.