三丰量具|Mitutoyo三丰数显外径千分尺|外径千分尺三丰量具，三丰防水外径千分尺，数显千分尺，大量程数显千分尺日本Mitutoyo数显外径千分尺293-342特点:达到IP65防护标准,能够用于各种环境,如暴露在切割油等环镜下使用.具有测量数据输出功能,带有防水连接电缆.所有塑料元件均由防油材料制成 1 m增量误差（用于测量范围在75mm/3 以下的型号）自动电源开/关功能带有检验证书*.（用于测量范围在50mm/2*以下的型号）性能参数:公制型-数显型带有棘轮锁定装置（带SPC输出端口）:测量范围货 号分辨率精 度0-25mm293-230/293-240*0.001mm 1 m25-50mm293-231/293-241*0.001mm 1 m50-75mm293-232/293-242*0.001mm 1 m75-100mm293-233/293-243*0.001mm 2 m100-125mm293-2500.001mm 2 m125-150mm293-2510.001mm 2 m150-175mm293-2520.001mm 3 m175-200mm293-2530.001mm 3 m200-225mm293-2540.001mm 3 m225-250mm293-2550.001mm 4 m250-275mm293-2560.001mm 4 m275-300mm293-2570.001mm 4 m英制/公制型-数显型带有棘轮锁定装置:测量范围货 号分辨率精 度0-1 293-330/293-340*.00005 /0.001mm .00005 1 -2 293-331/293-341*.00005 /0.001mm .00005 2 -3 293-332/293-342*.00005 /0.001mm .00005 3 -4 293-333/293-343*.00005 /0.001mm .0001 4 -5 293-350.00005 /0.001mm .0001 5 -6 293-351.00005 /0.001mm .0001 6 -7 293-352.00005 /0.001mm .00015 7 -8 293-353.00005 /0.001mm .00015 8 -9 293-354.00005 /0.001mm .00015 9 -10 293-355.00005 /0.001mm .0002 10 -11 293-356.00005 /0.001mm .0002 11 -12 293-357.00005 /0.001mm .0002