Accurate up to 0.01 (Optical) and 1.0 (Contact), 0.001 to 10 RPM Resolution, Contact and Noncontact Tachometer 6.92 Inch Long x 2.4 Inch Wide x 1.6 Inch Meter Thick, 0.5 (Contact) and 5 (Optical) to 20,000 (Contact) and 20,000 (Optical) RPM Measurement (Pkg Qty=1)
Item not returnable!