... - phase meter, phase watt meter, phase watthour meter. energy meter,Watthour meter, Three Phase Watt-hour Meter/ Three ... - Phase Watt Meter/ Phase Watthour Meter DT862Key Features: Three-phase watt-hour meter is ... requirements stipulated in standardGB/T15283 Alternating Current Watt-hour Meters for Active Energy (Classes 0.5, 1 and ... DT862 Three-phase active energy watt -hour meters