The PW4001 from Hioki E.E is a Power Analyzer with Basic Power Accuracy ± 0.01 to ± 0.10 % ( 50/60 Hz), Number of Channels/Elements 4 Channel, Current Range 0.04 to 2000 A, Voltage Range 6 to 1500 V, Bandwidth 0.1 to 600 kHz. More details for PW4001 can be seen below.