延長(zhǎng)測(cè)坫套管可增加寬度測(cè)量范圍,50mm心軸行程棘輪鎖定裝置可保持恒定測(cè)力,每個(gè)測(cè)量范圍都帶有調(diào)零基準(zhǔn)桿方形和圓型管構(gòu)成輕型堅(jiān)固的框架,工作止動(dòng)器測(cè)量范圍貨號(hào)延長(zhǎng)測(cè)坫套管500-600mm105-103 50mm600-700mm105-104 50mm700-800mm105-105 50mm800-900mm105-106 50mm900-1000mm105-107 50mm1000-1100mm105-408 50mm1100-1200mm105-409 50mm1000-1200mm105-418 50mm100mm1200-1300mm105-410 50mm1300-1400mm105-411 50mm1200-1400mm105-419 50mm100mm1400-1500mm105-412 50mm1500-1600mm105-413 50mm1400-1600mm105-420 50mm100mm1600-1700mm105-414 50mm1700-1800mm105-415 50mm1600-1800mm105-421 50mm100mm1800-1900mm105-416 50mm1900-2000mm105-417 50mm1800-2000mm105-422 50mm100mm