Description
The Extech 461750 tachometer measures the angular velocity of a rotating shaft in terms of revolutions per minute (RPM). It features surface wheels that measure the speeds of the contact surface of rotating objects (from 10 to 9999 RPM) and moving objects (from 3 to 6560 feet/minute; from 1 to 1999.9 m/min). Includes 9 V battery and surface wheels.
Ref. 461750
