Video tutorial on how to accurately read a dial vernier caliper and also the basic maintenance ownership of a dial vernier caliper. The dial vernier caliper is a precise measuring device that is about to have an accuracy to a thousandth of an inch and should always be handled with care in order to ensure it's accuracy and keep it functioning properly. They are also available in a variety of lengths too. The dial vernier caliper uses both a dial indicator and vernier (measuring scale) together in order to determine the measurement. A caliper is able to measure an outer dimension, inner dimension, and a depth dimension. This particular tutorial was done using an imperial/standard measuring units.
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Tools/Supplies Needed:
-imperial dial vernier caliper
Procedure:
-make sure the lock is free both on the dial indicator and scale
-ensure that the measuring jaws or probe is clean using either paper or a cloth with some degreaser to remove any debris which could affect the accuracy
-close the jaws fully, then zero the dial indicator by spinning the lens
-lock the lens of the dial indicator in place
-ensure the object you are measuring is clean
-open the caliper, use the type of measuring style appropriate to what you are seeking
-apply medium pressure when measuring, ensure the caliper moves somewhat freely
-now lock the scale into place
-read the inch and 10th decimal on the scale portion on the caliper (X.X00)
-now read the dial which covers both the 100th and 1000th measurement (0.0XX)
-now you have your final measurement
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