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461750: PocketTach® Mini Contact Tachometer

Contact rpm and surface speed measurements up to 20,000rpm

View Datasheet > 461750


A tachometer is a device that measures the angular speed of a rotating shaft in terms of revolutions per minute (RPM). The Extech 461750 Tachometer features surface wheels that measure contact surface speeds of rotating (10 to 9,999 RPM) and moving (3 to 6,560 ft./minute; 1 to 1999. 9 m/min) objects. Complete with 9V battery and surface wheels.

Additional information

Display Counts

99, 999 count LCD

Range rpm

10 to 20, 000rpm


3 to 6560ft/min


1 to 1999.9m/min


1 to 5, 000yd/min

Sampling Time

1sec>60rpm, >1sec>10 to 60rpm

Max rpm Resolution


ft/min Resolution



5.87 x 1.97 x 1.3" (149 x 50 x 33mm)


5oz (142g)

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