Hi am Nishanth.. i would like to get details on eddy current tachometer details for my 3rd semester project report. plse help me.

eddy-current tachometer
eddy-current tachometer[′ed·ē ‚kə·rənt tə′käm·əd·ər]
(engineering)
A type of tachometer in which a rotating permanent magnet induces currents in a spring-mounted metal cylinder; the resulting torque rotates the cylinder and moves its attached pointer in proportion to the speed of the rotating shaft. Also known as drag-type tachometer.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


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