Metal detecting is a fun pastime ... just enough so that the reception coil can’t see the emission coil’s magnetic field. This frees up the reception coil’s magnetic field to be interrupted ...

Jeff Lubbert has been an avid metal detector since 1980 and joined The Ring Finders directory in 2010. He is an active ...

An advanced metal detector coil encompasses the diameter of the sensor head. Passing current through the MD coil creates an electromagnetic field that induces an electrical current in any metal ...

Since the cook surface uses magnetic ... various coils of wire, too, like this project we featured recently which uses two overlapping air-core coils to build an effective metal detector.