Couplers & I/O modules: Item no. 750-645 2-channel vibration velocity/bearing condition monitoring VIB I/O Item no. 750-645 2-channel vibration velocity/bearing condition monitoring VIB I/O Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece Item no. 750-645 2-channel vibration velocity/bearing condition monitoring VIB I/O Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece