Mitutoyo 982-552 Electronic Non-Contact Type

Accurate up to 0.006 +/- 0.5% Digit (600 to 99,999 RPM) and 0.4 +/- 1% Digit (600 to 99,999 RPM), Contact and Noncontact Tachometer 4.55 Inch Long x 2.52 Inch Wide x 1.24 Inch Meter Thick, 6 (Contact) and 6 (Noncontact) to 25,000 (Contact) and 99,999 (Noncontact) RPM Measurement