You searched for: “quadrant electrometer
quadrant electrometer
1. A mechanism for measuring electric current passing through a coil by the deflection of a magnetic needle inside the coil.
2. A device for measuring an electric charge by the movement of a vane suspended on a wire between metal quadrants.

The charge is introduced on the vane and quadrants in such a way that there is a proportional twist to the wire.

This entry is located in the following unit: electro-, electr-, electri- (page 99)