Tachometer, 0.5 to 20,000 rpm, Extech, Mfr#: 461891

Tachometer, RPM Accuracy +/-0.05 Percent, RPM Resolution 0.1 RPM, Maximum Contact RPM 20,000 RPM, Minimum Contact RPM 0.5 RPM, Maximum Non-Contact RPM Not Applicable, Minimum Non-Contact RPM Not Applicable, Maximum Non-Contact Distance Not Applicable, Minimum Non-Contact Distance Not Applicable, Calibration Certificate Type Available Separately, Maximum Velocity Measured 6,560 fpm, Minimum Velocity Measured 0.2 fpm, Includes Carrying Case, Cone Tip, Flat Tip, Spare Wheel