Rohde & Schwarz 3593.8875.02 Power Analyzer, up to 600 V(RMS), up to 20 A(RMS), DC to 100 kHz, 500kSa, apparent power, effective power, reactive power, power factor, logging, LAN (LXI), USB (TMC/VCP), LabView/IVI, incl. IEEE-488 (GPIB)