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

Model No.: 1.unbalanced load active power meter:HL-S96-GBW AC KW，HL-S72-GBW AC KW，HL-S48-GBW AC KW

                    2. balanced load active power meter：HL-S96-GCW AC KW,HL-S72-GCW AC KW,HL-S48-GCW AC KW