electrometer
Noun
Meaning
An instrument for measuring the quantity or intensity of electricity; also, sometimes, and less properly, applied to an instrument which indicates the presence of electricity (usually called an electroscope).
Source: Webster's dictionarySynonyms
Hypernyms
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Examples
Another method of making the test was by connecting the electrodes of a capillary electrometer to the two poles of a Daniell cell with a sulphate of cadmium solution.
Cosmic ray radiations striking the Earth from outer space were finally definitively recognized and proven to exist in 1912, as the scientist Victor Hess carried an electrometer to various altitudes in a free balloon flight.
Modern electrometers A modern electrometer is a highly sensitive electronic voltmeter whose input impedance is so high that the current flowing into it can be considered, for most practical purposes, to be zero.
For amboxcheck Volta Electrometers Kolbe electrometer, precision form of gold-leaf instrument.
For convenience of use, the vibrating reed assembly is often attached by a cable to the rest of the electrometer.
Her electrometer showed that pitchblende was four times as active as uranium itself, and chalcolite twice as active.