461893 PhotoTachometer

• Large 5 digit LCD display is easy to read
• Built-in memory recalls last MAX/MIN value stored
• Autoranging with 0.05% accuracy
• Non-contact measurements from 5 to 99,999rpm
• Use reflective marker on object to be measured and point the integral light beam or accurate readings updated every second
• 2 to 6 inches (50 to 150mm) measurement distance (depending on ambient light)
• Complete with 23" reflective tape, four AA batteries and case
• Optional Certificate of Calibration traceable to N.I.S.T.

Specifications of the Extech Extech 461893 Photo Tachometer

• Range (rpm) 5 to 99,999
• Accuracy ±(0.05%rdg +1d)
• Sampling Time 1sec > 60rpm
• 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 8.8oz (250g)
• Warranty 1 year