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VLF is the shortcut for Very Low Frequency which is a
low wave frequency range. Usual VLF (Emitter) devices use a frequency in this range to send out an
alternating magnetic field into the ground, which can be disturbed by a metallic target. This
disturbance of the magnetic field can be analysed in detail and so it is possible to make a
conclusion to targets situated under the ground.
Advantages of the usage with FS Future Series
VLF emitters are optional components which can be used to optimize a measurement with FS Future Series
instruments. VLF emitters send out very low frequencies to reinforce the magnetic field.
Because of this amplification anomalies of the underground like metallic targets (gold, silver, copper etc.)
becomes better visible.
The 3d image of the underground becomes more clearly than without using the VLF emitters.
So you can better recognize the shape and structure of buried metals.
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| The figure on the left side shows a located metallic target without using VLF emitters.
The structure of the object is destroyed and not very accurate. |
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| The figure on the right side shows the same measurement while using VLF emitters.
The shape of the located target looks much clearer, also the background is straightened. |
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Usage
One set of VLF emitters consists of 4 units which have to be placed on the ground,
in every corner of your measuring area. Remove the antenna of every VLF emitter and
place it on the ground in a distance of about 50 cm from the main unit. Adjust every
emitter to your current ground conditions and power it on. Now measure your area with
a FS Future Series device in operating mode Ground Scan like usual.
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You need a good metal detector?
Ask for help!
Phone: +49 3447 891260 E-Mail: info@okm-gmbh.de
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Accessories
Seismics