page 216

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Mitutoyo dial thickness gauge
Universal type with interchangeable anvils

The dial indicator has .001" graduations with a measuring range of .4 inch. The throat depth is about 1-1/8 inch, as shown in the schematic above. Model 7328S is often in short supply. (The digital version, model 547-528, was discontinued in 2014 and there are currently no plans for a replacement.)

  • Mitutoyo model 7328S dial thickness gage ... $191.00 order now
  • Replacement spindle lifting lever 902794 for above models ... see parts page

Both contact points and anvils are interchangeable on Mitutoyo dial thickness gage 7328S. When you replace them, you will have to reset the indicator to zero.

Eight different contact point and anvil combinations are possible and the manufacturer guarantees accuracy for each of these. The contact point is represented by B, C and E in these diagrams. The anvil by A, D and F.

You will not be able to use a flat contact point with a flat anvil at the same time because there is no guarantee that they will be parallel to each other. If that is what you need, then you will have to get a thickness gage which has permanent, flat anvils. For options see page 12.

All six upper contact points and lower anvils are included. If the anvils become worn, replacement parts are available.

  1. Flat Point Ø .20" ... 133017
  2. Shell Point .16" radius ... 21AAA033
  3. Spherical Point .36" radius ... 21BZA767
  4. Flat Point Ø .50" ... 101188
  5. Needle Point .016" radius ... 21AAA030
  6. Shell Point .16" radius ... 21AAA032

If you use a spherical or pointed anvil with another spherical or pointed, then you won't be able to set zero in the closed position. You will have to use a gage block to set the indicator at some other point, such as .25" for example. A selection of gage blocks is available on page 164.



 

 

from our bookshelf

The Companion Reference Book on Dial and Test Indicators … page 178
BesTest and TesaTast Indicator Repair Manual … page 177
Starrett 711 Last Word Indicator Repair Manual … page 199
Interapid Indicator Repair Manual … page 208
Compac Test Indicator Repair Manual ... page 194
 

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Long Island Indicator Service Inc
14 Sarah Drive — Hauppauge NY 11788 — USA


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This page's most recent revision: 2 MARCH 2017
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Original photographs and content copyright 2017 by JWGrum

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