螺纹千分尺（326、126系列-可更换测砧及心轴探针型）特点：达到IP65尘/水防护标准（326系列）60 或55 的V型测砧和心轴探针（可更换）选件，均由高级特种钢制成，具有高硬度和高精度的特性棘轮锁定装置可保持恒定测力带有一个基准杆（不包括25mm型）326系列（液晶读数显示型）提供SPC数据输出性能参数公制型货号编号测量范围分度值精度126-125TMC-250-25mm0.01mm 4um126-126TMC-5025-50mm0.01mm 4um126-127TMC-7550-75mm0.01mm 4um126-128TMC-10075-100mm0.01mm 5um126-129TMC-125100-125mm0.01mm 5um126-130TMC-150125mm-150mm0.01mm 5um126-131TMC-175150mm-175mm0.01mm 6um126-132TMC-200175mm-200mm0.01mm 6um126-133TMC-225200mm-225mm0.01mm 6um126-134TMC-250225mm-250mm0.01mm 7um126-135TMC-275250mm-275mm0.01mm 7um126-136TMC-300275mm-300mm0.01mm 7um英制型货号编号测量范围分度值精度126-137TMC-1 1 .001 .0002 126-138TMC-2 1 -2 .001 .0002 126-139TMC-3 2 -3 .001 .0002 126-140TMC-4 3 -4 .001 .00025