Mark Cobb

Mark Cobb has spent nearly 30 years in quality positions, from floor inspector to quality manager and holds an ASQ Certification. He has calibrated and repaired surface texture, form, and roundness measurement instruments for the past 18 years. For more information, contact Mark at [email protected].

Articles

ARTICLES

Figure 1 hemisphere standard
Measurement

Beyond Calibration: What a Calibration Sticker May (And May Not) Tell You

While calibration has been with us as long as gages, the concept of a third party performing regular calibrations is relatively recent.
Mike Zecchino Jeff Dax Mark Cobb
August 30, 2025

Gages need calibration, but an annual calibration sticker can mislead non-experts. In addition to regular calibration, proper maintenance, operation, and frequent result verification are crucial. The best practices outlined in this article will help ensure reliable measurements during and between calibrations.


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