1)DTS1777 series 2)Accuracy:2.0 3)3*220/380V, 1.5(6), 3(6),2.5(10), 5(20), 10(40), 15(60), 20(80), 30(100) 4)ISO, CCC DTS1777-1 three-phase electronic carrier watt-hour meter is the new intelligent meter adopting an international advanced micro-chip which has the function of carrier communications,relay control.With ADE7755 chip,high integration,high measurement accuracy,speed and small power ...