Mitutoyo 139-180 Tubular Inside Micrometer offers a wide range of inside diameter measurements by combining extension rods (pipes) and anvils with the micrometer head. Equipped with highly-durable, large-diameter extension pipes and supplied in a fitted wooden case.
SPECIFICATIONS
Range: 4-52"
Travel of Micrometer Head: 1"
Accuracy: +/-{0.00012+m+(0.00004R/2)}* R=maximum measuring length (inch) n=number of rods Fraction rounded up
Graduation: 0.01mm or 0.001″
Measuring Method: 2-point
Measuring Face: Carbide
Extension Pipes: 1″, 2″, 4″, 8″, 16″ (2 pcs.)