The Accsense Electrocorder EC-7VAR data logger is designed to accurately record three phase AC voltage and current.
The logger comes USB serial cable, four fused voltage leads, three Rogowski coils, a USB cable Electrosoft software, and a convenient carrying case. The EC-7VAR can measure AC voltages up to 600 Volts and currents up to 3000 Amps . You can choose an averaging period from 1 second to 1 hour based on your application needs, with accuracy better than 2% of range.