galvanometer

IPA: gæɫvˈænoʊmitɝ

(physics) A device used to indicate the presence and direction of a small electric current, especially used to detect a null or balanced condition in a bridge circuit.

Examples of "galvanometer" in Sentences

In electrocardiography the string galvanometer is the most reliable tool.
A reflecting galvanometer covered in Bakelite that's as heavy as a lead brick.
Acting a scene, Murray's face registers a sequence of emotions as precisely as a galvanometer.
Nowadays, since a string galvanometer is available in almost any large hospital, this detail is only of historical importance.
To accomplish this, we employ an instrument called a galvanometer, or amperemeter, illustrated in Fig. 6, which indicates the exact amount of current being applied.
The one nearest the Valley Road is called the galvanometer-room, and was originally intended by Edison to be used for the most delicate and minute electrical measurements.
If a wire or a nail or a smaller thing is driven through it, and the insulation is spoiled, an instrument called the galvanometer instantly records the fact, and warning is given at all parts of the ship.
Lens 6.3 – 63 mm (38 – 380 mm on a 35 mm camera), 10x optical zoom lens, Open f/1.8 (W) – 2.5 (T), galvanometer method structure, AF: 8 groups, 11 lenses (3 aspherical elements, 5 aspherical surfaces), built-in ND filter
(fig. 4, _a_), the needle of the galvanometer, which is deflected by the electromagnetic pull of the current, generated under the action of stimulus, just as the mechanical lever was deflected by the mechanical pull of the muscle contracting under stimulus.