The Extech 461995 Combination Contact/Laser Photo Tachometer provides both contact (0. 5 RPM to 19,999 RPM) and non-contact (10 RPM to 99,999 RPM) RPM measurement functions for use in virtually all applications. Laser guided non-contact measure up to 2 m (6.5 ft) away for added safety and convenience.
Narrow beam Laster photo tachometer for accurate non-contact RPM measurements
Measurements from up to 6.5 ft from the target for improved safety and accessibility
Display characters reverse direction for measurement type selected
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
Accurate to 0.05% with max resolution of 0.1 rpm in either photo or contact mode