High frequency

 High frequency

Process and benefits

High frequency of 20 kHz

We will try to explain the image high frequency because this is not easy for beginners.

First and foremost you need to know that each sensor works on a frequency ranging from 6 to 18 kHz, it’s not the same unit but the way it works is different.

High frequency metal detectors

Forwards drive “waves” in the field to select a target location and study these waves back again.

Frequency can be summarized very “superficially” waves sent by the device.

But what are the strong points of high frequency?

It would be more difficult targets, especially suitable for small or moderate conductive for example: hills, bronzes and gold coins.

Now try to find out the differences in performance compared to the low frequency.

If the test, it may be noted that the 18 kHz gold will reveal, for example, about 20-30 cm

While the 7 kHz for example would be difficult to exceed 10-15 cm, said to better analysis of difficult targets (small gold object).

With regard to medium and large goals can say that there is no difference according to frequencies, however a small flaw can be found in high frequency devices that would certainly be more difficult to discriminate against some objects, such as large metal objects or pieces of aluminium while 6  kHz  can be removed easily.

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