Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 645
mber of revolutions noted will correspond to the numberof amperes passing through the meter. For example : the 20 ampere meteiconstant is 63.3 ; if the index makes ten revolutions in 63.3 seconds, 10amperes are passing through the meter. In order to avoid errors in readingit is customary to take… … Fig. 41. Dials showing SampleReadings. Fig. 42. Difficult Meter Readings. THE SCHEEFER WATT-METER. 633 THE iCHEErfER watt-hleter. This meter, made by the Diamond Meter Co., Peoria, 111., is another ofthe induction type, used for alternating currents, and has some specialfeatures. The two following…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
