型号目量(mm)测定范围(mm)测定喉深(mm)指示误差(um)测头样式测定力(N)以下直径(mm)平行度(um)G-0.4N0.010-1020 20105初压0.4G-2.4N0.010-1020 20105终压2.4G-20N0.010-1020 2020(金属制)151.8G-30N0.010-1020 2030(金属制)201.8H-0.4N0.010-10120 20105初压0.4H-2.4N0.010-10120 20105终压2.4H-200.010-10120 2020(金属制)201.8H-300.010-10120 2030(金属制)201.8