Tachometers are used to measure the velocity of a rotating object. They operate on the principle that a driven motor (i.e., a motor operated as a generator) produces a voltage that is proportional to the angular velocity of the motor shaft.
For over 100 years, Megger has been the premier provider of electric test equipment and measuring instruments for electrical power applications. Although they are best known for their world famous range of insulation testers, Megger provides a full service solution to meet your electrical test and... (more)