Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 386
e.This places the insulation of the cable between the X binding postsof the testing set. 347 52 ELECTRICAL MEASUREMENTS Ohmmeter. For measuring insulation resistance an instrumentcalled an ohmmeter, Fig. 55, is frequently used and has theadvantage of being a direct-reading meter. This instrument… … Fig. 55. Ohmmeter Courtesy of Leeds and Northrup Company, Philadelphia ~- battery and galvanometer keys are provided. Li the direct-readingtype the scale is so divided that, when the galvanometer is balanced,the instrument indicates the value of the resistance between the Aposts. The scale is…
Electrical engineering
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