1.Steel bar diameter setting range: 6mm~ 50mm
2.Process: the first range 1mm~90mm, second
range90mm~185mm
3.Diameter estimation scope: 6mm~ 32mm
4.The thickness of the protective layer of the
maximum allowable error:
                          + 1mm:1mm~80mm
                          + 2mm:80mm~120mm
                          + 4mm:120mm~185mm