The Hioki PW333703 Power Analyzer measures power on the full range of electrical equipment, from single-phase devices such as battery-driven devices and household electronics to industrial use and three-phase electrical equipment over 3 input channels. The power meters provide coverage from DC to inverter frequencies with support for voltages up to 1000 V. The PW3337-03 model comes with a GP-IB input and a D/A output installed.