Galvanometer
Galvanometer , noun
[Galvanic + -meter: compare French galvanomètre.]
(Electricity) An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle.
Collocations (2)
Differential galvanometer , See under Differental, a.
Sine galvanometer or Cosine galvanometer or Tangent galvanometer (Electricity) , a galvanometer in which the sine, cosine, or tangent respectively, of the angle through which the needle is deflected, is proportional to the strength of the current passed through the instrument.