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Elcometer Rubert 125 Surface Comparator
Technical Specifications


The Rubert 125 is the only comparator to conform to ISO 8503 Parts 1 and 2.

There are two versions:

  • The grit version is split into sections quivalent to : 25, 60, 100 and 150 microns.
  • The shot version is split into sections equivalent to: 25, 40, 70 and 100 microns.

The ISO 8503 Parts 1 and 2 standard specifies the roughness in metric units only

Rubert 125 Surface Comparator

Elcometer Rubert 125 Surface Comparator Standards

Rubert 125 Surface Comparator - Test Method