The HP - Agilent 6813A AC Power Source / Analyzer is a single phase source / analyzer offering 45 Hz to 1 kHz output frequency range, 1750 VA output power, 300 V max. rms voltage output, ±425 VDC voltage range, 13 A max. rms current output, 10 A max. dc current output, arbitrary waveform generation, built-in harmonic analysis capability, built-in HP-IB and RS-232 interface with SCPI programming.