型號(hào)目量(mm)測(cè)定范圍(mm)測(cè)定喉深(mm)指示誤差(um)測(cè)頭樣式測(cè)定力(N)以下直徑(mm)平行度(um)G-0.4N0.010-1020 20105初壓0.4G-2.4N0.010-1020 20105終壓2.4G-20N0.010-1020 2020(金屬制)151.8G-30N0.010-1020 2030(金屬制)201.8H-0.4N0.010-10120 20105初壓0.4H-2.4N0.010-10120 20105終壓2.4H-200.010-10120 2020(金屬制)201.8H-300.010-10120 2030(金屬制)201.8