... used for the modal analysis. Parameter Unit SD 40*3SD40-01*3SD 40-02*3Axial sensitivity (± 20 %)pC/g* ... accessories -cable ,stud General view ofSD40 General view ofSD40-01 General view ofSD40-02 The typical electrical circuit ofSD40, SD40 ... -01, SD40-02Additional order accessories: calibrators ; charge amplifiers , ; measuring amplifiers ...