The 382100 is a 3-Phase Power Analyzer/Datalogger that saves data (up to 30,000 sets of measurements) on an SD card in Excel format for easy transfer to your PC. It provides a full system analysis with up to 35 parameters including: V (phase-to-phase), V (phase-to-ground) - A (phase-to-ground), KW / KVA / KVAR / PF (phase), KW / KVA / KVAR / PF (system), KWH / KVAH / KVARH / PFH (system), and Phase Angle. Readings are displayed on a large, dot matrix, sun-readable, backlit LCD. Comes with three current clamps, four voltage leads with alligator clips, eight AA batteries, SD memory card, Universal AC adapter (100 to 240V), case, and user manual.