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 process]

Narrower term/s

• magnetostrictive transducers

Anotations

Scope note:

Generally, devices that can transform an input of physical quantity, usually coming from an energy source, into an output quantity typically of a different kind, for instance, converting solar heat into electricity, or pressure into hydraulic energy. Many devices, such as phonograph pickups, microphones, thermometers, loudspeakers, and light meters, can be termed transducers.