Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by material processed]
7. metalworking equipment

Anotations

Scope note:

Any of various types of electronic instruments for detecting the presence of metallic objects by means of their effects on an electromagnetic field. Examples include portable devices with a search head that is swept over the ground to locate buried metal objects, a hand-held or walk-through security device for locating concealed weapons, and a device for checking for the presence of extraneous pieces of metal in food.