A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. [1]

Tachometers for every application - whether you need a compact, handheld model or a feature-rich solution, discover the right tool to measure RPM with accuracy.

Apr 2, 2023 · A tachometer is an instrument that is used to measure the speed of an object, mostly a motor. It is majorly used to measure the rotational speed of the shaft or disc when the …

Apr 28, 2023 · This posts explains the working principle of tachometer with types in detail. Also real time application is discussed.

Apr 16, 2025 · What Is a Tachometer and What Does It Do? Tachometers do more than just take up space on your dashboard. They deliver critical engine data in real time. From helping you …

Jan 24, 2023 · A tachometer is an instrument which measures the rotation speed of a shaft or disk. It is designed to measure the revolutions per minute (RPM) of a moving object.

tachometer, device for indicating the angular (rotary) speed of a rotating shaft. The term is usually restricted to mechanical or electrical instruments that indicate instantaneous values of speed …