Scheme for metal detector How to make a homemade metal detector In the category treasure hunting more articles and learn more information about Scheme for metal detector How to make a homemade metal detector Reviews Price Specifications Features Image manuals videos Accessories All this in metal detectors for gold.
With the onset of spring more and more often on the banks of rivers you can meet people with metal detectors. Most of them are engaged in “golden fishing” purely out of curiosity and excitement. But a certain percentage does earn a lot of money on the search for rare gizmos. The secret to the success of such research is not only in the experience of work, information and intuition, but also in the quality of the equipment they are equipped with. A professional tool is expensive, and if you know the basics of knowledge on radio mechanics, you probably have thought more than once about how to make a metal detector with your own hands. The editors of the site will come to your aid and tell you today how to assemble the device yourself with the help of schemes.
Read Also : How to make a homemade metal detector
The metal detector works like this: the magnetic power lines of the primary field (A) of red pass through the metal object (B) and create a secondary field (green lines) in it. This secondary field catches the waiting room, and the detector sends a beep to the operator. On the basis of the way emitters work, electronic devices of this type can be divided into:
In an induction metal detector, there is one coil that sends and receives the signal at the same time. But devices with pulse induction differ in that it generates the current of the transmitter, which is turned on for a while and then abruptly disconnected. The coil field generates pulsed vortex currents in the object, which detect by analyzing the fading of the pulse in the receiveer coil. This cycle is repeated continuously, maybe hundreds of thousands of times per second.
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Dynamic type devices. The simplest type of device that scans the field all the time. The main feature of working with such a device – you need to be in motion all the time, otherwise the signal will disappear. Such devices are easy to use, however, they are weakly sensitive.
Pulse-type devices. Have a great sensitivity. Often to such a device goes an additional several coils to adjust to different types of soils and metals. Require certain skills to set up. Among the devices of this class, you can distinguish electronic devices that work at a low frequency – no higher than 3 kHz.
Homemade gold digger with great depth. How to assemble a homemade metal detector to find gold? Scheme for metal detector with hands of non-ferrous metals.
How metal detector works by purpose and technical device
The modus operandi of the metal detector varies depending on the type of device. Let’s look at the most important:
How to make a metal detector
How to make a homemade metal detector
How to make metal detector
Then take the common calculator and turn it on.Secure with tape over the center of the CD, on the same side where you adheriste the cable above. Now place the DVD on the calculator on (like a sandwich with disk covers) and firmly holding the entire piece with tape. Place the battery to the center of the DVD and secure it with tape, so that it cannot fall.To operate the detector simply placed the headphones on your ears and move the workpiece near the floor or surface you want to analyze. Without metals in sight you will not hear any sound, but if you approach a metal (though be buried or hidden up to 25 centimeters of distance) you will hear static noise.
With this homemade metal detector you can entertain yourself, finding lost items and, who knows, perhaps to find some hidden treasure in your days of walk.
Without metals in sight you will not hear any sound, but if you approach a metal (though be buried or hidden up to 25 centimeters of distance) you will hear static noise.”
More recently, on the well-known site AliExpress appeared an unusual device for the search for metals, which according to the description is a new generation of metal detectors at super-large distances. It works in conjunction with a separate remote control (radio channel) and performs remote sensing of the area to search for non-ferrous and black metals. The system works as a kind of radar, taking and filtering signals released vertically and horizontally. The device is characterized by small size and ease of use, as well as the speed of detection of targets in search. It is designated ASCs (AKS).
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