IIA Offers a Multitude of Calibration ServicesSurface Plates

Granite surface plate calibrations include the following:

  • Dry & Wet Lapping performed together: This two-step process yields a higher level of accuracy than either one alone

  • On-Line Computer Analysis:
  • -You will receive both an isometric plot and a numerical format
    -These two graphs give you a visual snapshot of the condition of your plate

  • Calibration Certification Reports Retained for 10 Years

  • Customer Satisfaction Guaranteed

  • Automatic Calibration Tracking (scheduling)

  • Confidentiality Statements – at the Customer’s Request


  • All granite surface plate calibrations are performed in accordance with Federal Specification GGG-P-463c. The Calibration System, which is part of this program, also complies with ISO / IEC 17025, ANSI/NCSL-Z540-1, ISO-9002, ISO-10012-1.

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