absolute electrometer

absolute electrometer

[′ab·sə‚lüt ə‚lek′träm·əd·ər]
(electricity)
A very precise type of attracted disk electrometer in which the attraction between two disks is balanced against the force of gravity.
References in periodicals archive ?
After Thomson dedicated his genius to the improvement of electrostatic measuring instruments, we obtained absolute electrometer apparatuses, from which the potential can be read nearly as sharply and easily as the temperature on a thermometer.