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For 1,5x1,5m or 3x3m frame coil 12m perimeter Universal cable coil

For 1,5x1,5m or 3x3m frame coil 12m perimeter Universal cable coil

$334.00

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 1m x 1m (three windings), 1,5m x 1,5m (two windings) or 3m x 3m (one winding)

Similar to the 8m universal cable coil this large cable coil can be arranged to three different frame coils by simply mounting one two or three windings on a metal free frame with tape for example. With the largest 3m x 3m frame coil the highest possible detection depths can be achieved. This is mainly possible because of specially developed electronics to eliminate low frequency interference and a power pulse circuit built-in the LORENZ DEEPMAX Z1. The high sensitivity for large and deeply buried metal objects and the simple elimination of smaller metal fragments make these three coils interesting. The shape of these large coils should be the same as with the other coils namely round or square. It is also possible to build elliptical or different shapes but this is only achieved at the expense of sensitivity. Anyway it is advisable to keep a distance of at least 20 to 80 cm constantly between the coil and the ground to reduce the amount of ground effects to a minimum when using these very large coils. In urban areas the amount of interferences produced from power lines will be higher than with smaller coils and therefore again the sensitivity might be reduced. The ground balancing system GND 1, 2, 3 should be changed to DEL 1-4 in some cases using these large coils because of the same reason. Some customers use these large frame coils with two similar coils mounted on each other at a distance of about 60 to 80 cm the same way as the differential double frame coil described before. A Y- adapter cable would be necessary doing this. A test making sure that both coils work in the same direction as described before would also be necessary.

 

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