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Product Review: Fowler X-Pro Surface Roughness Gage

Portable surface roughness gages were intended to only be used in a lab like environment until Fowler introduced the X-Pro. The Fowler X-Pro Surface Roughness Gage has been available on the U.S. market for a number of years now, but is gaining popularity among users. Similar to other surface roughness gages, the X-Pro allows users to be able to take measurements in Ra or Rz, but does not come with the same price tag as other profilometers.


  • Large LCD display
  • 2 selectable parameters: Ra and Rz
  • Small compact size
  • N.I.S.T traceable specimen included
  • Meets ISO and DIN standards
  • Uses 9-volt battery (approx. 3000 measurements)
  • Includes fitted case

The X-Pro is a small and durable surface roughness gage that is robust enough to be used out on the shop floor. The X-Pro is offered with two different stylus: .0002″ and .0004″. There are also many specialty probes available for special applications as well as a swivel stand to hold the X-Pro. Each surface roughness gage includes a certified test specimen that users can use to ensure the gage is accurate and repeating prior to using on your parts.

The X-Pro surface roughness gage is easy to operate and only takes a few minutes to master. The X-Pro has selectable cut-offs as well as selectable traverse lengths. The probe can swivel 270° and can be used in a variety of different set ups depending on the measuring application.  Overall, the X-Pro is accurate, repeatable, and offered at a great price point compared to other portable surface roughness units.

Fowler X-Pro Portable Surface Roughness Gage & Accessories:

  • 54-410-500 X-Pro Surface Roughness Tester with .0004” general probe
  • 54-410-600 X-Pro Surface Roughness Tester with .0002” general probe


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