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June 26, 2026

Decision Rules in Calibration

Decision Rules in Calibration

Understand decision rules in calibration: how conformity statements are made, why uncertainty matters, and when alternative rules beyond pass/fail are needed.

February 19, 2026

Calibration vs. Verification: The Language of Accuracy

Calibration vs. Verification: The Language of Accuracy

Calibration and verification are not the same. Here is what each term means and why both matter.

January 27, 2026

Calibration Provider Selection: How Calibration Uncertainty Affects Your Test Accuracy and Risk

Calibration Provider Selection: How Calibration Uncertainty Affects Your Test Accuracy and Risk

Every measurement carries a degree of variability — and the size of that variability determines how much risk you are carrying. Calibration uncertainty affects the accuracy of your test results, your compliance with testing standards, and the quality of the products you ship. This post expands on Instron's video series of the same name, explaining what calibration uncertainty is, how to evaluate what a calibration certificate actually tells you, and what to look for when choosing a provider — including accreditation scope, published uncertainty values, and how pass/fail decisions are made.