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The sleeve of a micrometer caliper displays the current distance between the anvil and the spindle, the locking mechanisms of the caliper, in quarter micrometer increments. These are acid-etched lines and numbers in the ... More »

www.reference.com Science Measurements

Read a caliper by determining the whole number and the first decimal place using the main scale and the second decimal reading from the Vernier scale. Read a micrometer by adding the reading from the thimble to the readi... More »

www.reference.com Science Measurements

Lock Haven University describes the micrometer caliper as a metric instrument with a pair of jaws, one of which is movable, and a main scale calibrated to one-half millimeter. It has a thimble section consisting of a rot... More »

www.reference.com Science Measurements
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To read a micrometer, place the item being measured between the spindle and the anvil. Turn the ratchet until the anvil and spindle are touching the object evenly. Spin the ratchet for three clicks to lock it. Read the n... More »

www.reference.com Science Measurements

A micrometer illustration notes the significant parts of the tool, including the thimble, sleeve or barrel, spindle, frame, and anvil. A micrometer caliper or screw gauge is used to precisely and accurately measure tiny ... More »

www.reference.com Home & Garden Home Maintenance Tools

Lock Haven University describes the micrometer caliper as a metric instrument with a pair of jaws, one of which is movable, and a main scale calibrated to one-half millimeter. It has a thimble section consisting of a rot... More »

www.reference.com Science Measurements

The zero error of a micrometer screw gauge occurs when the flat end of the screw touches the stud or anvil, and the gauge reads other than zero. If there is an error, it results in a positive or negative calculation. How... More »

www.reference.com Home & Garden Home Maintenance Tools