内径MicroChecker515系列特点?用于检测管材内径千分尺的零点。技术参数量块精度:±(0.001+L/150000)mm**L为检测长度(mm)选件602160:用于300mm内径MicroChecker的木箱602163:用于600mm内径MicroChecker的木箱性能参数测量范围货号检测长度300mm515-58525,50,75,100,125,150,175,200,225,250,275,300mm600mm515-58625,50,75,100,125,150,175,200,225,250,275,300,325,350,375,400,425,450,475,500,525,550,575,600mm