How does a metal detector? In the category Metal Detectors more articles and learn more information about How does a metal detector? Reviews Price Specifications Features Image manuals videos Accessories All this in metal detectors for gold.
How does a metal detector?
It mentions the word detector of metal and will have different reactions from people. For example, some people think in individuals by combing the beaches looking for coins, jewelry, or any kind of valuable they can find. Others think directly in the steps of airport security or sporting or musical events. The truth is that any of these scenarios are valid. Par technology to detect metals is something quite integrated in society, where we can find it at our leisure, work or in certain places where we go through. Metal detectors in airports, official buildings, prisons, businesses and other sites, help us ensure that no one carries a weapon over. On the other hand, private consumption-oriented metal detectors it gives you the opportunity to millions of people all over the world to find hidden “treasures”, along with many items without value.
We will see then how a metal detector and various technologies used. We will focus on those used by common users, but much of the information applies to those used in more sophisticated security systems in airports or hand detectors.
A typical metal detector is quite light and consists of several parts:
A stabilizer, which is optional. Used to keep the unit stable while you are handling it.
Control box, containing circuits, controls, speaker, batteries and microprocessor.
The bar that connects the control box and the coil. It is normally adjustable so you can put it in a way that will be comfortable for your height.
The search coil. It is the part that really detects metal, and is called the antenna, or head of search.
Many systems have a jack to connect a set of headphones, and some models have the control box under the bar and a small screen on the top unit.
It is simple to operate with a metal detector. Once you put the unit in place, you can move slowly through the area where you want to search. In many cases, you move the coil back and forth on the ground in front of you. When you pass the detector on a target, an audible signal is heard. Some more advanced metal detectors have a screen that determine the type of metal that has been detected and to what is buried in the soil.
Metal detectors use one of these three technologies: VLF (Very Low Frequency). PI (press Induction) and BFO (Beat frequency oscillation). In the following sections, we will see each of these technologies in detail to see how they work. You can see it by clicking here.
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