Micrometer Screw Caliper anvilspindle barrel thimble ratchet

USING THE MICROMETER SCREW CALIPER 1.Insert the object between the anvil and the spindle. 2.Lock the micrometer screw caliper. 3.Read the linear scale (barrel) in ____ mm. Whole Marks (above): 1, 2, 3, etc. Half Marks (below): 0.5, 1.5, 2.5, 3.5, etc. 4.Read the rotating scale (thimble), divide by Add results of steps 3 and 4.

Micrometer Closed mm

After First Rotation mm

After Second Rotation mm

Whole Marks: 0, 1, 2, 3, etc Half Marks: 0.5, 1.5, 2.5, 3.5, etc

Linear Scale: 1.0 Rotating Scale: ! ! ! ? Reading: mm

Linear Scale: 3.0 Rotating Scale: ! ! ! ? Reading: mm

Linear Scale: 6.5 Rotating Scale: Reading: mm