Mitutoyo 139-180 Tubular Inside Micrometer, Range 4-52"

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.)

Mitutoyo 139 Series Datasheet

Accessories