You searched for: “radio metal locator
electronic locator, metal detector, metal locator, radio metal locator
1. An electronic instrument used for detecting concealed metal objects; such as, guns, knives, or buried pipelines, generally by radiating a high-frequency electromagnetic field and then detecting the change produced in that field by the ferrous or nonferrous metal object that the user is looking for.
2. A portable electronic device with a search head that is swept over the ground and used to detect buried metal objects such as coins.
3. An electronic device that registers the presence of metal; used, for example, to detect metal weapons or to screen passengers at an airport.
4. An electronic tool used in the food industry to check for the presence of pieces of metal that might have accidentally gotten into food during the processing activities.
This entry is located in the following units: electro-, electr-, electri- (page 65) -tron, -tronic, -tronics + (page 10)