Extech 461891 Contact Tachometer, 0.5 to 19,999 RPM

The Extech 461891 is used for fast and accurate RPM and surface speed measurements.

• Large 5 digit LCD display is easy to read
• Built-in memory recalls last MAX/MIN value stored
• Autoranging with 0.05% accuracy
• Contact measurements from 0.5 to 19,999rpm plus linear surface speed measures in ft/min or m/min
• Make contact measurements of rotating objects
• Measure linear surface speeds in ft/min or m/min using three accessory wheels provided
• Complete with cone tip, flat tip and spare measurements, four 1.5V AA batteries, four 1.5V AA batteries, and carrying case

• Motor Speed
• Fan Speed
• Motor/RPM Evaluation
• Conveyor Speed

• 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)

• Extech 461891 Data Sheet.pdf
• Extech 461891 User’s Manual.pdf