Extech 407860 vibration meterExtech 407860 Heavy Duty Vibration Meter Heavy Duty Vibration Meter Measures Acceleration, Velocity and Displacement plus a PC interface Stores the maximum and minimum values for later recall Key Features: Ranges Acceleration (peak): 656ft s2 (200m s2), Velocity (peak): 7. 87in s (200mm s), Displacement (peak to peak): 0. 078in (2mm) Remote vibration sensor with magnetic adapter on 39"(1m) cable Wide frequency range of 10Hz to 1kHz Resolution to 2ft