* True rms measurement for ACA, ACV. * True power : W, KW, MW. * VA, KVA, MVA, VAR, KVAR, MVAR. * PF (power factor), phase angle. * KWH, KVAH, KVARH, PFH. * ACA : 0.1 A to 2,000 A, ACV : 10.0 to 600.0 V. * Real time data recorder with SD card. * RS232/USB computer interface. * Display all measuring electrical wave shape. * Patent: Taiwan, China, Japan, Germany, USA pending.