WordNet
electromechanical device
n. a mechanical device that is operated by electricity
Usage examples of "electromechanical device".
The idea is that the current in the cable, by passing through an electromechanical device, will cause this tube to move slightly to one side or the other, just like the spot of light in the mirror galvanometer.
It was strange that he trusted her more as a compass than he did an electromechanical device.