tachograph

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tach·o·graph

(tak'ō-graf),
A tachometer designed to provide a continuous record of speed or rate.
[G. tachos, speed, + graphō, to write]
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
The cockpit features a large analogue tacho, plus digital speedo and gear indicator.
RARE, distinctive and special with a tacho that revs to 8,000 rpm.
There's Honda quality on display from the word go, with a plush seat giving you a roomy and comfortable riding position, plus good mirrors and a neat dash with a dinky digital window flanked by analogue speedo and tacho.