..detecting an Australian 50 cent piece at 50 cm with a 11 inch mono coil ...
https://www.youtube.com/watch?v=Q81fx6uGIaw
specs ...
32 bit processor.
Digital audio.
Monocoil only ( monos are pure coils
) for deeeep targets
Lipo power
Variable pulse power ( up to 5 amps )
Ground resistant ( resistant ..not cancelling )
EMI resistant.
Bluetooth ( user fitted ) interface.
Android / Iphone / tablet / computer command interface.
Sampling down to 5 us.
More advanced models on the bench now ...
https://www.youtube.com/watch?v=Q81fx6uGIaw
specs ...
32 bit processor.
Digital audio.
Monocoil only ( monos are pure coils

Lipo power
Variable pulse power ( up to 5 amps )
Ground resistant ( resistant ..not cancelling )
EMI resistant.
Bluetooth ( user fitted ) interface.
Android / Iphone / tablet / computer command interface.
Sampling down to 5 us.
More advanced models on the bench now ...

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