A frequency meter metal detector. We have designed the metal detector, the principle of operation which one differs from the classic schemes (BFO, transmit-receive known as two-boxes metal detector, inductive). Our device has a simple design and one has the quite good characteristics.

For view click A frequency meter metal detector. We have designed the metal detector, the principle of operation which one differs from the classic schemes (BFO, transmit-receive known as two-boxes metal detector, inductive). Our device has a simple design and one has the quite good characteristics. schematic diagram