Extech 382068 1000A True RMS AC/DC Clamp-on Power Datalogger KitExtech 382068 1000A AC DC Clamp on Power Datalogger Kit 1000A AC DC Clamp on Power Datalogger Kit Datalogs up to 4000 readings Capture data and transfer to a PC for analysis and report generation Key Features: 1000A Clamp measures single f (phase) or 3f power to 600kW Display True Power, Apparent Power, Power Factor, True RMS Voltage and Current, Resistance and Frequency Dual display of kW+PF, kVA+PF, V+A, A+Hz or V+Hz Clamp jaws open to 1. 8" (46mm)