Value Collection 05630470 Accurate up to 0.02%, 1 RPM Resolution, Contact and Noncontact Tachometer

Accurate up to 0.02%, Contact and Noncontact Tachometer 8 Inch Long x 9 Inch Wide x 1-3/4 Inch Meter Thick, 1 to 99,999 (Optical) and 19,999 (Mechanical) RPM Measurement

Accurate up to 0.1%, 0.0001 to 1 RPM Resolution, Contact and Noncontact Tachometer 11 Inch Long x 7 Inch Wide x 3.2 Inch Meter Thick, 10 to 19,999 (Contact) and 99,999 (Noncontact) RPM Measurement

Accurate up to 0.05%, 0.1 RPM Resolution, Noncontact Tachometer 6.2992 Inch Long x 2.3622 Inch Wide x 1.6535 Inch Meter Thick, 2 to 99,999 RPM Measurement

Accurate up to 0.01 (Optical) and 0.05 (Contact), 0.001 to 10 RPM Resolution, Contact and Noncontact Tachometer 6.9291 Inch Long x 2.4016 Inch Wide x 1.6142 Inch Meter Thick, 0.5 (Contact) and 5...