Features: Widely used fan, blower, etc, can be in the single side, double side and multiple correctionplanebalance measurement. Have high efficiency, precision accurate, show intuitional, reliable quality, easy maintenance, the characteristics of software with ordinary workpiece and standard rotor twocalibration function, overcoming the other hard supporting balance machine measurement systemtousers to calibration equipment defects, and the coupling compensation function and so onmanykinds of measuring method and function to choose, can realize the input parameters, preview, theexperiment, the results storage, print, operating all adopt the localization menu structure, the man- machine dialogue, automatic hints.