DIAL GAUGE
The dial gauge is graduated in the small units such as 0.01 mm. The gauge carry zero reading at the center with positive and negative readings on either side. It is used to check the size and truness of a finished work to an accuracy of 0.01 mm.TheDial gauge can be used with the various attachments such as inside cali-per and depth gauge, V- block etc which make it situable to check the roundness , flatness, parallelism, ovality, taper and squarness etc.
It is also used to compare to heights or distances between narrow limits. It is mostly used for checking diamension for this purpose the dial gauge is fixed at a standard dimensions, the needle is showing showing zero reading. Then the parts to be checked are kept below the pointer.The needle show the deviation form and the standard size . The Dial gauge is a sensitive instrument and it should be handled carefully.
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