貨號產(chǎn)品型號測量范圍分度值用途NR.TypeRangeResolutionUsage642-013ATY0~3mm0.01mm 直接測量導管外表面之凹痕及裂紋深度 Measuretheconcavemarkandcrackleofpipe.642-014XX0~10mm0.01mm 用于測量相互連接的鉆桿的同軸度誤差 Measurethecoaxialvariationoftheconnectingdrillstems.642-015NWK0~450mm0.02mm 用于測量大口徑長鋼管的內(nèi)外徑測量 Measuretheinnerandouterdiameterofbigpipe.