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Accreditation

The Oak Ridge Metrology Center is accredited by the National Institute of Standards and Technology National Voluntary Laboratory Accreditation Program (NVLAP). (View the certificate.)

[Image: Grid plate calibrations on Leitz 866 PMM]

NVLAP recently recommended the Oak Ridge Metrology Center's accreditation be renewed for an additional two years. Click image for larger view.

The scope of accreditation includes the following:

Dimensional

  • gage blocks, steel and chrome only
  • gears
  • length
  • line standards, line scales
  • optical grid plates/reference plains
  • roundness
  • surface texture
  • two-dimensional gages

Mechanical

  • mass

Time and frequency

  • frequency dissemination

Thermodynamic

  • pressure
  • resistance temperature devices