Introduction
Tachometers are instruments used to measure rotational speed in machinery.
Short Answer
A tachometer is a device that measures the rotational speed of a shaft or rotating equipment.
Explanation
Tachometers are commonly used in pumps, motors, turbines, and compressors.
They measure speed in units such as revolutions per minute (RPM).
Monitoring rotational speed helps ensure equipment operates within safe limits.
Engineering Practice
Tachometers may use optical sensors, magnetic sensors, or electronic measurement methods.
Engineers use tachometers for monitoring and control of rotating machinery.
Conclusion
Tachometers provide important information about machine operating speed.
