Extech 461950

Accurate up to 0.05%, 0.1 and 0.1 (5 to 1,000) and 1 (1,000 to 9,999) and 10 (10,000 to 99,990) RPM Resolution, Noncontact Tachometer 4.8819 Inch Long x 2 Inch Wide x 1.2992 Inch Meter Thick, 5 to 99,990 RPM Measurement