Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 334
with a portable voltmeter andthe exact load can then be determined. See Figure193. A regular service meter accurately calibrated in theshop or laboratory may be used in checking up othermeters by connecting it in circuit as shown in Figure194. With the connection shown the voltage impressedon the… … Figure 194 ^ by the drop in the series field of the other meter, isavoided. If the two meters are of the same type andcapacity the two revolving elements will rotate in uni-son when the meter being tested is correct. If themeters are of different capacity this must be takeninto account. The most…
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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