The Extech 407860 Heavy Duty Vibration Meter has a Velocity range of 7.87 in./s or 200 mm/s; Acceleration range of 656 ft./s or 200 m/s, and Displacement range of 0.078 in. or 2 mm. It features a basic accuracy of 5%, a remote vibration sensor (magnetic or stud mounted) with a 39 in. (1 m) cable, RMS, Peak Value measurement modes, and auto/manual store with recall of up to 500 readings. The captured readings can be downloaded to your PC for further analysis using the optional Windows compatible data logging software.