Mitutoyo 137-210 mechanical extension rod type tubular inside micrometer offers the ability to measure a wide range of inside dimensions with exact precision. It includes a set of solid extension rods to measure a diversified range of inner dimensions of cylinders, rings, and parallel surfaces with high accuracy. Slow head travel provides fine measurement position, while a locking clamp holds measurements in place for easier reading. The extension rods have knurled collars for easy, secure installation and removal.
SPECIFICATIONS
Measuring Range: 50-1500mm
Measuring Span: 13mm
Graduation: 0.01mm
Spindle Feed Error: 3µm
Measuring Method: 2-point
Extension Rods: 13mm, 25mm, 50mm (2 Pcs), 100mm, 200mm (3 Pcs), 300mm (2 Pcs)
FEATURES898900
Optional setting rings are available
Solid extension rod allows for measuring various dimensions with reliability and durability
Some models are available with carbide-tipped faces for better accuracy and wear resistance
Vernier scale on the sleeve offers exact measurements
900 Satin chrome finish on the sleeve and laser-etched scale on the thimble for easier reading