The Faraday cup electrometer is the simplest form of an electrical aerosol instrument used in aerosol studies. It consists of an electrometer and a filter inside a Faraday cage. Charged particles collected by the filter generate an electric current which is measured by the electrometer.
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Famous quotes containing the word cup:
“Sunday morning may be cheery enough, with its extra cup of coffee and litter of Sunday newspapers, but there is always hanging over it the ominous threat of 3 P.M., when the sun gets around to the back windows and life stops dead in its tracks.”
—Robert Benchley (1889–1945)