Suggested Unit Course in Electrical Measurement
University of the State of New York, the State education Department, Bureau of industrial and technical education, 1942 - Electric measurements - 98 pages
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18 copper wire AC ammeter alternating current ampere Bend calibrated connectors constructed Courtesy of Westinghouse Courtesy of Weston current passes d.c.c. copper wire DC circuits direct current electrodynamometer type electromagnetic Equipment and Materials feet of 18 file card fixed coils full scale deflection hand saw hot wire meter indicator arm Industrial Electricity instrument base Introductory Information iron vane meter lamp bank loop magnetic field Materials Required measuring instrument meter coils METER Objective meter scale milliampere model watthour meter moving coil meter moving element moving iron vane moving vane Nichrome ohms permanent magnet pointer polarized iron vane potential coil principle of operation Questions and Special R.H. wood screws resistance scale card shown in Fig shunt similar to Weston Special Assignments stationary coil Stollberg thermocouple Three dry cells type of meter Unit vane mechanism voltage voltmeter wattmeter Weston Electrical Instrument wire model meter wire model watthour wood block zero position