Tachometer, RPM Accuracy +/-1 Percent of Reading +/-2 Digits, RPM Resolution 0.001 RPM, Maximum Contact RPM 19, 999 RPM, Minimum Contact RPM 10 RPM, Maximum Non-Contact RPM 99, 999 RPM, Minimum Non-Contact RPM 10 RPM, Maximum Non-Contact Distance 11 7/8 in, Minimum Non-Contact Distance 1/4 in, Calibration Certificate Type Available Separately, Maximum Velocity Measured 9, 999.9 m/min, Minimum Velocity Measured 3.28 fpm, Includes Cone Funnel Contact Tips, Reflective Tape. This item has been restricted from sale in the following state (s): []