1.Model:DDS226 2.Standard:IEC61036:2000 3.Function:measurement active electric energy 4.Rated current:1.5(6),2.5(10),5(20),5(30),10(40),10(60),15(60),20(80),30(100) 5.Rated voltage:220/240V 6.Accuracy:1,2 Class 7.Rated frequency:50/60Hz 8.Display:LCD,register,digital tube