Tachometer Contact Contact RPM Range 0.10 to 25 000 Speed (FPM) 0.10 to 25 000 Speed (M/Min) 0.03 to 7620 RPM Accuracy +/-0.006 Percent of Reading +/- 1 Digit Speed Accuracy +/-0.06 Percent of Reading +/-1 Digit Display 5 Digit LED Memory Last/Min/Max/10 user logged measurements retained for 5 minutes Features 16 User Selectable Units of Measure Standards CE Compliant Calibration Certificate NIST