IMI

electronic and mechanical vibration switches; vibration transmitters; electronic measuring instruments used to provide a known mechanical input to be used for the system verification and calibration of vibration sensors, namely, portable shakers; handheld vibration meters; electronic force measuring instruments, namely, impact hammers; intrinsic safety barriers, namely, electronic signal barriers used to limit current and voltage to prevent ignition of hazardous substances in the atmosphere; signal conditioners for use with piezoelectric force and vibration sensors; electrical connection boxes, namely termination boxes; and switch boxes