Extech Instruments 461995 Laser Photo Contact Tachometer amp 015 in concentricity and squareness

015 in concentricity and squareness

These high-value mixer/amplifiers provide both 4-ohm and constant-voltage outputs (70V and 100V) for use in a wide range of commercial applications including schools

Designed to be a sturdy low cost tester

the RE15 offers maximum audio rejection at 150º off axis (typical cardioids are 180º)

as long as it has parallel top and bottom surfaces

Extech Instruments 461995 Laser Photo Contact Tachometer amp 015 in concentricity and squarenessThis Tachometer provides both contact (0. 5 to 19,999 RPM) and non contact (10 to 99,999 RPM) RPM measurement functions for use in virtually all applications. Laser guided non contact measurements up to 6. 5 ft. (2 meter) away for added safety and convenience. Comes with wheels for linear surface speed (0. 2 to 6560 ft. minute; 0. 05 to 1999. 9 m minute) or RPM measurements.