5118B2 Piezotron / PiezoBEAM coupler, as tabletop unit or for panel mounting, battery or mains operation, amplification and time constant are selectable (including 4x 1.5 volt battery) - 18004789 - Kistler
5118B2 Piezotron / PiezoBEAM coupler, as tabletop unit or for panel mounting, battery or mains operation, amplification and time constant are selectable (including 4x 1.5 volt battery) - Kistler