Application: used for measuring periodic motion, to check the imbalance and deflecting of moving machinery.Is pecifically designed for present measuring various mechanical vibration. So as to provde the data for the quality control, run time and equipment up keep.Iuse the high-performance acceleration meter, realize the repetitiveness and accurate measurement.It has the function of testing axle bearing situation.Model: VM6320 Specifications: Acceleration 0.1-200m2/s (10Hz to 1KHz 10Hz to 10KHz )Velocity : 0.1-200mm/s0. (10Hz to 1KHz) Displacement: 0.001-2.0mm(10Hz to 1KHz)Accuracy:less then 5% Auto power offMax hold Operating conditions:0-+40C(32F-104F),less then or equal to 90%RHPower supply: 4x1.5V AA(UM-3)batteryBattery indicator: low battery indicatorDimensions : 160x68x32mmweight: 181g(not including battery)