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 prove the data for the quality control, run time and equipment upkeep. Iuse the high-performance acceleration meter, realize the repetitiveness and accurate measurement.It has the function of testing axle bearing situation. 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:·+5¼t Auto power off Max hold Operating conditions:0-+40f¦(32+H-104+H),f_90%RH Power supply: 4x1.5V AA(UM-3)battery Battery indicator: low battery indicator Dimensions : 160x68x32mm Weight: 181g(not including battery)