Fast and accurate rpm and surface speed measurements to 20,000rpm

The 461891 is a contact Tachometer. Surface wheels measure contact surface speeds (10 to 9,999 rpm) of rotating objects. The memory button holds last reading and recalls min/max readings display. Complete with wheels for linear surface speed (0.2 to 6560 feet/minute; 0.05 to 1999.9 meters/minute) or RPM measurements. Comes with cone tip, flat tip and spare wheel for surface speed measurements, four AA batteries, carrying case, and user manual.

High Precision Contact Tachometer Features:

• 0.05% basic accuracy
• Make contact measurements of rotating objects
• Measure linear surface speeds in ft/min or m/min using three accessory wheels provided
• Recalls Last/MAX/MIN values

Specifications                                  Range
Range                                             0.5 to 19,999rpm
                                                         0.2 to 6560ft/min
                                                         0.05 to 1999.9m/min
Accuracy                                       ±(0.05%rdg +1d)
Sampling Time                             1sec>6rpm
Resolution                                     0.1rpm (0.5 to 999.9rpm);1rpm >1000rpm
Dimensions                                  6.7 x 2.8 x 1.5" (170 x 27 x 37mm)
Weight                                           9.2oz (260g)

Download Brochure
Download Users Manual