... 2)Output:2000pcs/day 3)CE,CB,ISO9001,14001,IEC DTSD726, DSSD726 Three-phase Electronic Multi-function Watt-hour KWH ... Meterwww.cncelegroup.comGeneralThe DTSD726,DSSD726 type three-phase electroic multi-function watt-hour meter ... switches over time in the minimum interval for one minute. DTSD726, DSSD726 Three-phase Electronic Multi-function Watt-hour KWH ...