electrometer

American  

[ih-lek-trom-i-ter, ee-lek-] / ɪ lɛkˈtrɒm ɪ tər, ˌi lɛk- /

noun

1. a calibrated device used for measuring extremely low voltages.

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electrometer British  

/ ɪˌlɛktrəʊˈmɛtrɪk, ɪlɛkˈtrɒmɪtə, ˌiːlɛk- /

noun

1. an instrument for detecting or determining the magnitude of a potential difference or charge by the electrostatic forces between charged bodies

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Other Word Forms

• electrometric adjective
• electrometrical adjective
• electrometrically adverb
• electrometry noun

Etymology

Origin of electrometer

First recorded in 1945–50; electro- + -meter

Example Sentences

The data inversion that converts the measured electrometer currents to particle concentrations is based on model calculations simulating trajectories of particles with different mobilities, and on calibration measurements of the internal losses.

From Nature • May 24, 2016

Taking into account the internal diffusion losses, the mobility distribution is then calculated in 28 size bins from the measured electrometer currents.

From Nature • May 24, 2016

Accelerated particles would strike this strip at the end of their spiral journeys, with their final energies to be measured by an electrometer wired to it.

From "Big Science" by Michael Hiltzik

The other principal kind of electrometer we owe, as we do the galvanometers, to the wonderful ingenuity of Lord Kelvin.

From Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science by Corbin, Thomas W.

Last evening Dr. Walker called me to witness his success with the electrometer.

From In the Arctic Seas A Narrative of the Discovery of the Fate of Sir John Franklin and his Companions by McClintock, Francis Leopold