... II ,600 V CAT2) Power measurement of 3-phase 3-wire, 3-phase 4-wire, single-phase mode 3) V, A, W, VA, VAR ... power value and five power parameters of each phase in 3-phase measurement mode respectively 6) Autorange and TRMS ... Mode of display: LCD display; Max. reading: 6000 3) Range selection: Fully automatic range selection 4) Frequency ... , current: 45 Hz ~ 65 Hz Three Phase Digital Power Clamp Meter