vibration galvanometer

vibration galvanometer

[vī′brā·shən ‚gal·və′näm·əd·ər]
(engineering)
An alternating-current galvanometer in which the natural oscillation frequency of the moving element is equal to the frequency of the current being measured.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.