Surface Plates – Accuracy and Calibration

This technical bulletin addresses the accuracy and calibration of granite surface plates. The technical basis for this document is the American national standard (ANSI standard) entitled B89.3.7-2013, Granite Surface Plates. This technical bulletin summarizes key technical issues; however, the ASME standard should be consulted for further information.

 Tech Bulletin – Accuracy and Calibration of Surface Plates

The Mitutoyo Institute of Metrology provides educational courses and on-demand resources across a wide variety of measurement related topics including basic inspection techniques, principles of dimensional metrology, calibration methods and GD&T. We can be contacted via email at, via phone at 888-648-8869 (option 6), or visit the Education and Training home page.

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