TEQ — Trust Egypt for Quality and Calibration Systems

Calibration Basics

Guides to calibration, verification, intervals, practical measurement and the cost of quality.

• What Is Calibration? Definition, Purpose and the Cost of Skipping It

  What calibration actually is, what it is not, why instruments drift, and what an out-of-tolerance result costs. Practical guidance from an accredited lab.

• Calibration, Verification and Adjustment: Not the Same Thing

  The difference between calibration, verification, adjustment and intermediate checks, with a balance example and a quick comparison table.

• How to Set Calibration Intervals (and When to Calibrate Early)

  There is no universal calibration interval. How to set one from drift history and risk, the ILAC-G24 methods, and the events that call for calibration early.

• Accredited or In-House Calibration? Deciding Which Instruments Go Where

  Which instruments need accredited calibration, which can be calibrated in-house, and which need no calibration at all. A practical approach for quality managers.

• Three Measurement Mistakes Quality Teams Still Make

  Why resolution is not accuracy, why the 10:1 rule is not a law, and why calibration labels should not carry the lab’s due date. Three common errors explained.

• The Cost of Quality: Where Calibration Pays for Itself

  The prevention–appraisal–failure model, cost of poor quality and the 1-10-100 rule, with worked examples showing how small calibration errors become large losses.