Vane Axial Fans Mechanical, Inc. offers the highest quality vibration analysis to Portland, OR and the surrounding areas. Vibration analysis is the industry standard in determining a machine’s condition. It is essential that upon the installation of new equipment a baseline is taken on the entire machine to determine if a problem exists that needs to be corrected before the equipment is put into use, and as a reference for future service. Vibration Analysis is the starting point to keeping your fans in good operational condition and balance.