News

A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki ...
Metal detecting is a fun pastime, even when all you can find is a little bit of peace and a whole lot of pop tabs. [Huygens Optics] has a VLF-based metal detector that offers much more feedback tha… ...
A metal detector is an electronic device made of a large coil of wire, called a search coil — the round end of the metal detector — and some special electronics that allow us to 'hear' the ...
The 5 Best Metal Detectors of 2025; 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 ...