Product Characteristics 1 Simultaneous measurement of three-phase voltage or four-channel current (including zero current) 2 At the same time the phase Angle current phase Angle and work Angle of three-phase ac voltage are measured 3 Measure the frequency and phase sequence of the grid 4 Automatic discrimination of transformer winding capacitive and inductive load 5 Hexagon diagram display color phase sequence analysis 6 Measurement of active power reactive power apparent power three-phase power and power factor 7 Data view and save function 8 Data static storage function 9 The 3.5-inch TFT color screen display has touch function 10 The three-phase phase voltammeter is powered by lithium battery and can be standby for more than 20 hours with a single charge