产品名称：HL series square circular wide angle power factor meter

Model No.:

1.single phase power factor meter:HL-T80-GAPF AC COS∮,HL-T110-GAPF AC COS∮

2.three phase power factor meter:HL-T80-GBPF AC COS∮,HL-T110-GBPF AC COS∮