461895 Combines both contact (0. 5 to 19,999 RPM) and non-contact (5 to 99,999 RPM) models for use in virtually all tachometer applications. Uses visible light for non-contact measurements up to 6in. (150mm) from target. Comes with wheels for linear surface speed (0.2 to 6560 ft/m; 0.05 to 1999.9 m/m) or RPM measurements, 4 AA batteries, 23in. (0.6m) reflective tape, and carrying case.
|rpm||Photo: 5 to 99,999 / Contact: 0.5 to 19,999|
|ft/min||0.2 to 6560|
|m/min||0.05 to 1999.9|
|Max rpm Resolution||0.1rpm|