开式刀头双内沟槽游标卡尺产品特点 带微动装置 技术参数货号测量范围分度值A(mm)B(mm)C(mm)D(mm)H(mm)L(mm)精度(mm)157-53540-340mm0.05mm9540517117410+/-0.07157-13540-340mm0.02mm9538.1517117410+/-0.05157-6351.5-13.5 1/128 9538.1517117410+/-1个分度值157-2351.5-13.5 0.001mm9540517117410+/-2个分度值157-55060-560mm0.05mm15060525181.5660+/-0.10157-15060-560mm0.02mm15060525181.5660+/-0.07157-15560-560mm0.02mm15060525181.5750+/-0.08157-6502-22 1/128 15050.8525181.5660+/-1.5个分度值157-2502-22 0.001 15050.8525181.5660+/-2.5个分度值