Electromagnetic Detector In the category Metal Detectors more articles and learn more information about Electromagnetic Detector Reviews Price Specifications Features Image manuals videos Accessories All this in metal detectors for gold.
For those who like to make experimental circuits, this circuit is a super detector sensitive to low frequency electromagnetic fields, it can detect electrical conduit on the walls. When the circuit detects any electromagnetic field is heard as a 50 or 60 Hz hum, which depends on the frequency detected.
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