... 1.General:DTS480 type is the 3 phase 4 wires meter which can meas the rated frequency (50HZ) electric energy ... condition may be will make some mistake of the meter\ DTS480 3(6)A,5(20)A,10(40 ... .0,if the current will be 0.5%,,the meter will run continuously from left-right.c.creepingWhen there ... ,the meter's runing should not be more than 1 circle3.more pic: Three phase electronic type Power Meter with LCD ...