... :9999 kWh 2.Degree of accuracy:1.0,2.0 3.CCC certificate Quick Details Place of Origin: Zhejiang China(Mainland ... 62053-21GB/T 17215.321 ,GB/T 18460.3Product characteristicTwo-way measure, measure power accurately both forward and reverse direction, and ... .5(10),3×5(20),3×10(40),3×15(60),3×20(80)Reference voltage V3×57.7/100,3×220,3×380,3×220/380Degree ...