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