A Tachometer is a sensor device that is utilized in many applications ranging from power generation to aerospace operations, capable of measuring the speed of rotating objects as they revolve. Generally, tachometers are used for the measurement of shafts and disks that are a part of a motor vehicle engine or industrial machine. As the speed of revolution is tested, tachometers will provide a measurement in the form of “revolutions per minute” (RPM).
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