Technical Specification Measuring Units Measuring Range Accuracy* 50 ~ 99.99 RPM RPM Resolution 0.01 RPM ±(0.03% +2 counts) 100 ~ 9999.9 RPM 0.1 RPM 10000 ~ 19999 RPM 1 RPM * All accuracies indicated in this document were stated in laboratory conditions and can be guaranteed for measurements carried out in the same conditions or under required conditions. Product Information Dimensions (LxWxH): 7.5"x2.4"x1.1"/155x60x27 (mm) Weight: 0.3 lbs (120 g) Warranty: 3 years www.DawsonTools.