461995 Laser Photo/Contact Tachometer

• Unique display where characters reverse direction depending on the measurement mode
• Large 0.4” (5 digit) LCD display
• Microprocessor based with quartz crystal oscillator to maintain high accuracy
• Tachometer memory stores last, max and min readings
• Provides wide RPM (photo and contact) and Linear Surface Speed (contact) measurements
• Narrow beam Laser photo tachometer for accurate non-contact RPM measurements
• Measurements from up to 6.5ft from the target for improved safety and accessibility
• Accurate to 0.05% with max resolution of 0.1 rpm in either photo or contact mode
• Complete with tips and wheel for rpm or linear surface speed, four 1.5V AA batteries, reflective tape and carrying case
• Optional Certificate of Calibration traceable to N.I.S.T.

Specifications of the Extech 461995 Laser Photo/Contact Tachometer

• Range (RPM) Photo: 10 to 99,999; Contact: 0.5 to 20,000
• Accuracy 0.05% rdg +1 digit
• Sampling Time Photo: 1 Sec > 60rpm; Contact:  1 Sec > 6rpm
• Surface Speed (contact) 0.2 to 6560ft/min; 0.05 to 1999.9m/min
• Resolution (photo) 0.1rpm (< 1,000 rpm); 1rpm (>1000rpm)
• Power 4 AA batteries
• Dimensions 8.5 x 2.6 x 1.5”(215 x 65 x 38 mm)
• Weight 10.6 oz (300 g)
• Warranty 1 year