Metrology
Calibration
The documented comparison of a measuring instrument against a reference of known value to establish measurement performance and traceability.
Why it matters
Calibration status supports confidence that inspection results are based on controlled measurement equipment.
Related technical topics
Metrology & Quality · Intermediate
Calibration and Gauge Control
Understand how organizations control inspection and test equipment through identification, calibration status, traceability, storage and out-of-tolerance response.
Metrology & Quality · Foundational
Metrology: Calipers, Micrometers and Indicators
Develop correct measurement habits with common precision instruments and understand resolution, repeatability, calibration and measurement technique.
Metrology & Quality · Intermediate
Coordinate Measuring Machines (CMMs)
Understand CMM fundamentals, probing, alignment, datum establishment and how inspection programs translate drawing requirements into measured results.