内径千分尺302-02-050特性： 组合接杆测量范围大。配有校对卡规。 硬质合金测量面。 分辨率：0.01mm 精度：302-0X-05X系列公制±(3+n+L/50)μm；英制±0.00005(3+n+L/2)";钢管测杆,外圆尺寸Φ22mm302-1X-05X系列公制±(7+n+L/50)μm；英制±0.00005(7+n+L/2)";钢管测杆,外圆尺寸Φ28mm(n=接杆数，L=最大测量长度)。 302-12-050货号测量范围接杆微分头量程：25mm/1"302-00-050100-125mm微分头302-01-050100-500mm25mm,50mm,100mm,200mm302-02-050100-900mm25mm,50mm,100mm,200mm,400mm302-03-050100-1300mm25mm,50mm,100mm,200mm,400mm(2pcs.)302-04-050100-1700mm25mm,50mm,100mm,200mm,400mm(3pcs.)302-05-050100-2100mm25mm,50mm,100mm,200mm,400mm(4pcs.)微分头量程：50mm/2"302-10-0501000-1050mm微分头302-11-0501000-2000mm50mm,100mm(2pcs.),200mm,500mm302-12-0501000-3000mm50mm,100mm(2pcs.),200mm,500mm,1000mm302-13-0501000-4000mm50mm,100mm(2pcs.),200mm,500mm,1000mm(2pcs.)302-14-0501000-5000mm50mm,100mm(2pcs.),200mm,500mm,1000mm(3pcs.)货号