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What is a tachometer generator?


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Answered 2009-02-02 20:53:16

Tachometers are instruments which are used to determing the speed at which something is turning [usually measured/indicated in Revolutions per minute]. There are many different tachs that accomplish this in several different ways. The tach that uses a "generator" is basically a voltmeter for the "read out," and a generator that creates a small electrical output which when supplied to [and properly calibrated to] the read out voltmeter guage, gives an indication of the Rpm of the shaft to which the generator is attached.

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THERE ARE TWO TYPES OF TACHOMETER. 1.D.C. TACHOMETER 2.A.C. TACHOMETER ALSO DIGITAL TACHOMETERS CAN BE CONSTRUCTED using various principles..... D.C. TACHOMETER its construction is very similar to a D.c. generator. it works on the principle of generation of emf wen a rotating conductor cuts the magnetic flux......when magnetic flux is constant then the emf produce is directly proportional to the speed of the armature that is coupled to the shaft of motor. A.C. tachometer its construction is similar to a two phase servo motor.... and works conversly of it....


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you dont need to cause it has a factory tachometer


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