Get complete power/energy/cost analysis in a compact, rugged package. The PS3500 measures voltage, current, KW, KVA, KVAR, true power factor, displacement power factor, KWh, Hz, elapsed and estimated cost, duty cycle. Long term logging for up to months at a time. Manual waveform capture ability. Real time meter display of present values. It's rubberized contoured case and rugged construction make the PS3500 ideal for field work.