Hand-held power tools are widely used in modern production, and the damage ofHand the vibration to the workers is caused more and more attention, so vibration signalof measurement and evaluation is important part. According to ISO–5349(2001) andGB/T14790-2009, in this paper I design a set of vibration measurement and evaluation ofvirtual instrument. The system uses LabWindows software by NI Company fordevelopment platform. The virtual instrument test system use3d acceleration sensor andcontrol module, etc. ...