Extech 461891 Contact Tachometer for Fast and Accurate RPM/Surface Speed Measurements

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

Product Description 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. Box Contains Comes with cone tip, flat tip and spare wheel for surface speed measurements, four AA batteries, carrying case, and user manual