Voltcraft vbm 100 vibration measuring device voltcraft 101368 p the voltcraft vbm 100 is a vibration measuring device that records the mechanical measurement of machines and systems the vibration measurement can give conclusions on the condition of the system such as synchronisation loop alignment error or loose or loose parts p p what s in the box br sensor br magnet adaptor br carry case br operating instructions p voltcraft vbm 100 vibration measuring device