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]

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The meaning of TACH is tachometer.

any device for measuring speed, esp the rate of revolution of a shaft. Tachometers (rev counters) are often fitted to cars to indicate the number of revolutions per minute of the engine. Collins English …

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Define tach. tach synonyms, tach pronunciation, tach translation, English dictionary definition of tach. n. Informal A tachometer. American Heritage® Dictionary of the English Language, Fifth Edition.

Published by Houghton Mifflin Harcourt Publishing Company. TACH definition: tachometer. See examples of tach used in a sentence.

Nov 18, 2024 · The tachometer, also known as the “revolution/rev counter” or tach, measures the engine’s revolutions per minute (RPM) or the number of times the crankshaft rotates every minute.

A tach, short for tachometer, is an instrument that measures the rotation speed of a shaft or disk, as in a motor or other machine. It displays the revolutions per minute (RPM).

/tæk/ IPA guide Other forms: taches; tachs Definitions of tach noun measuring instrument for indicating speed of rotation synonyms: tachometer