A pulsed induction metal detector induces a current spike in its search coil, and times the decay of the resulting oscillation. The coil is part of a resonant circuit with a capacitor, and any ...

It was a perfect job for a metal detector ... coil was made by salvaging the wire from an old fluorescent lamp ballast and winding it around the lid of a bucket 27 times. This was mounted to ...

Most metal detectors have a round head called the “search coil,” which is the actual detector itself. It has two parts, the transmitter coil and the receiver coil, which work in tandem to ...

With the right metal detector ... plus “five search modes and a host of other features,” he says. This model has a search coil (the flat, round part at the bottom of the detector that does ...

Each detector has a transmitter that energizes a search coil. A receiving coil detects metal objects, which have eddy currents in them due to the search coil’s field. “These receiving loops ...

With a 9.4" search coil, this metal detector increases the search range and allows users to detect metals quicker and more efficiently. It is ideal for treasure hunts in large spaces like forests ...

The search head contains one transmit and two ... the receive antennas and processed by the system. An advanced metal detector coil encompasses the diameter of the sensor head.

In short, a transmitter current attached to a wire inside the metal detector, and the coil of that wire creates a magnetic field around the detector. This magnetic field will cause an electric ...