Translation guide
A tachometer is a device that measures the rotation speed of a shaft or disk, typically in revolutions per minute (RPM). In Japanese, the most common term is タコメーター, a loanword from English. There are also native Japanese terms used in technical contexts.
tachometer (in a car)
Referring to a tachometer in a vehicle or general context.
The most common and widely understood term for a tachometer, especially in cars. It is a loanword from English.
The car's tachometer broke.
A native Japanese term meaning 'rotation meter'. It is used in technical or industrial settings, but can be understood generally.
Please look at the engine's tachometer.
Referring to a tachometer in engineering, manufacturing, or scientific contexts.
A more precise technical term meaning 'rotational speed meter'. Commonly used in engineering and industrial documentation.
This machine is equipped with a tachometer.
A variant spelling of タコメーター, sometimes used in technical documents. The long vowel mark is omitted.
Literally 'revolution count meter'. Less common, but may appear in older technical manuals.
Check the accuracy of the tachometer.
The tachometer needle went off the scale.