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4.12 Indicators

D.M. Donner

A dial indicator and a smaller test indicator sitting on a surface.
Figure 4.118. A dial indicator and a smaller test indicator sitting on a surface. / Image Credit: Damon Donner, CC BY 4.0

The two most common indicators you will use are the dial and test indicators. As illustrated in the figure above, they look quite different and they function a bit differently, however they both behave as a gage because they are not direct read indicators such as a caliper or micrometer.

Attributions

  1. Figure 4.118: Dial drop indicator and test indicator by Damon Donner, for WA Open ProfTech, © SBCTC, CC BY 4.0

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Introduction to Machining Copyright © by SBCTC is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.