ELMEASURE MODEL NOS. : LG +5220 , LG +3220 , LG +5120L   Salient Features : • Directly replaces 2 energy meters • Sensing dual source through 240V connection • Dual row display switches based on the source • Displays basic and most of the power parameters   • Optional digital output separately for EB or DG parameters   Applications : • To measure dual power source • Dual source energy billing   • Industries, residential, commercial buildings • Generator & control panels