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The v-anvil micrometer is very similar in design to the standard micrometer, with the main important difference being the shape of the anvil itself. On a v-anvil micrometer, the anvil is shaped like a “V” that is laying on its side and therefore perpendicular to the shaft of the micrometer. Tips of the “V” on the v-anvil micrometer may be closer together or further apart, and the spindle end may be pointed like a cone or be flat across. Finally, the bottom of the “V” anvil may have the sides meet together and be bonded or may have the sides be separated by a gap. Depending on the specific type of measurement you are hoping to accomplish with a v-anvil micrometer, these various design specifications can make a big difference. V-anvil micrometers are also available in either analog or digital design formats. While some prefer the control allotted by the analog, others like the precise nature of digital readings. On analog models, graduation is 0.01mm, .001mm, or .0001mm and flatness of the spindle and anvil is 0.6µm[.000024”] /1.3µm[.00005”]. On digital models, flatness of the spindle and anvil is 0.3µm[.000012”] /1µm[.00004]. Digital models come with a few additional features that may prove beneficial: ability to convert units, a 2-point pre-set, a zero-setting, function lock, data hold, and data output.

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