产品名称：HL series square wide angle three-phase four wire power meter

Model No.：

1. Unbalanced load active power meter:HL-S96-GDW AC KW,HL-S72-GDW AC KW,HL-S48-GDW AC KW

2. Balanced load active power meter:HL-S96-GEW AC KW,HL-S72-GEW AC KW,HL-S48-GEW AC KW