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PocketTach® Mini Contact Tachometer

Extech 461750

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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.

General Specifications
Rotation Speed (Contact)
10 to 20,000rpm
Rotation Speed (Contact) Basic Accuracy
±(0.1% of reading + 2 digits)
Rotation Speed (Contact) Max Resolution
Sampling Rate
1sec>60rpm, >1sec>10 to 60rpm
Surface Speed (Contact)
3 to 6560ft/min, 1 to 1999.9m/min, 1 to 5,000yd/min
Surface Speed (Contact) Basic Accuracy
±(0.1% of reading + 2 digits)
Surface Speed (Contact) Max Resolution
Additional Details
5.87 × 1.97 × 1.3" (149 × 50 × 33mm)
1 × 9V battery
2 years
5oz (142g)
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech 461750