MEASURING DEVICE FOR VIBRATION OR SOUND WAVES, MEASURING METHOD OF VIBRATION OR SOUND WAVES, AND THICKNESS LOSS DETECTION METHOD OF PIPE

摘要

PROBLEM TO BE SOLVED: To provide a measuring device for vibration generated in a coated pipe that does not have sensor deteriorate and, capable of measuring without much labor.;SOLUTION: This vibration measuring device 1, which is a device for measuring vibrations or sound waves generated in the coated 11 pipe 10, is equipped with a vibration transfer member 20 with one end projecting from the coating 11, and with other end being mounted on the pipe 10, for transferring the vibration; and a vibrometer 21 for measuring the vibration transferred to the vibration transfer member 20.;COPYRIGHT: (C)2008,JPO&INPIT