JCGM 200:2012 — International Vocabulary of Metrology: Basic and General Concepts and Associated Terms (VIM), 3rd edition¶
Joint Committee for Guides in Metrology. (2012). JCGM 200:2012 — International Vocabulary of Metrology: Basic and General Concepts and Associated Terms (VIM), 3rd edition: Basic and General Concepts and Associated Terms (VIM), 3rd edition.
Cited by¶
11 citations across 11 artifacts.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Calibration
- If the reference itself is flawed (a measurement standard that is actually biased), then perfect calibration to that reference produces systematically wrong outputs in absolute terms, a structural feature the Joint Committee for Guides in Metrology (JCGM, 2012) makes explicit in the International Vocabulary of Metrology (VIM).
This sourceBIPM. Defines measurement as comparison of a measurand to a reference quantity via a calibration chain anchored in a primary standard, making explicit the reference-dependence of calibration.
Supported in partVerified against the work's full text
VIM (JCGM 200:2012) supplies the calibration-hierarchy / traceability frame — values referred to a reference standard — but nowhere states that calibrating to a biased reference yields systematically wrong absolute outputs.
“reference, such as when the first calibration in the calibration hierarchy was NOTE 4 For measurements with more than one input quantity in the measurement model , each of the input quantity values should itself be metrologically traceable and the calibration hierarchy involved may form a branched structure or a network.”
- If the reference itself is flawed (a measurement standard that is actually biased), then perfect calibration to that reference produces systematically wrong outputs in absolute terms, a structural feature the Joint Committee for Guides in Metrology (JCGM, 2012) makes explicit in the International Vocabulary of Metrology (VIM).
- Comparison
- Comparison is broader than measurement; measurement is comparison specialized to numerical output along a metric dimension, exactly the formal characterization the International Vocabulary of Metrology (JCGM 200:2012) gives by routing every measurement through a calibration chain anchored in a reference standard.
This sourceCharacterizes measurement as comparison of a measurand to a reference quantity via a calibration chain anchored in a primary standard — supports the claim that measurement is comparison specialized to numerical output along a metric dimension.
Supported in partVerified against the work's full text
The VIM treats calibration as a comparison of measurement standards and sets out calibration hierarchies and traceability to a reference, but does not state that measurement itself is comparison specialized to numerical output.
“standards may be viewed as a calibration if the comparison is used to check and, if necessary, correct the quantity value and measurement uncertainty attributed to one of the measurement standards.”
- Comparison is broader than measurement; measurement is comparison specialized to numerical output along a metric dimension, exactly the formal characterization the International Vocabulary of Metrology (JCGM 200:2012) gives by routing every measurement through a calibration chain anchored in a reference standard.
- Instrument Interpretive Drift
- The drift surfaces only through the frozen-reference method: re-measuring a certified master artefact — a gauge block whose true dimension cannot have changed — and reading the gap.
This sourceDefines metrological traceability and calibration against reference standards whose true value is fixed by construction, the basis of frozen-reference drift detection.
Supported in partVerified against the work's full text
The VIM defines reference standards and names gauge block as an example, but nowhere states that drift surfaces only through a frozen-reference method.
“quantities of one or more given kinds, each with an assigned EXAMPLES Standard weight, volume measure (sup- plying one or several quantity values, with or without a quantity-value scale ), standard electric resistor, line scale (ruler), gauge block, standard signal generator”
- The drift surfaces only through the frozen-reference method: re-measuring a certified master artefact — a gauge block whose true dimension cannot have changed — and reading the gap.
- Measurement
- In physics and engineering, the base units rest on a chain of procedures and reference artifacts, and metrology is the formalized discipline.
This sourceDefines metrological traceability—the unbroken calibration chain back to a primary standard—as the integrity-bearing core of a measurement.
Supported in partVerified against the work's full text
The VIM defines metrological traceability as an unbroken, documented calibration chain to a national or international standard; it does not supply the caliper/gauge-block example or the 'silently corrupts every reading' clause.
“confirming metrological traceability to be an unbroken metrological traceability chain to an international measurement standard or a national measurement standard, a documented measurement uncertainty, a documented measurement procedure, accredited technical”
- In physics and engineering, the base units rest on a chain of procedures and reference artifacts, and metrology is the formalized discipline.
- Measurement Uncertainty and Observational Noise
- The measurement apparatus introduces deviation through instrumental precision (tolerance in the sensor), observer bias (systematic error), random environmental fluctuation (stochastic noise), and systematic drift (time-dependent bias), categories formalized by JCGM (2012) in the International Vocabulary of Metrology (VIM).
This sourceJoint Committee for Guides in Metrology, BIPM. Authoritative metrology vocabulary: defines measurand, measurement model, instrumental precision, systematic and random error, drift, and the true-value/measured-value distinction.
- The measurement apparatus introduces deviation through instrumental precision (tolerance in the sensor), observer bias (systematic error), random environmental fluctuation (stochastic noise), and systematic drift (time-dependent bias), categories formalized by JCGM (2012) in the International Vocabulary of Metrology (VIM).
Domain-specific¶
- Annotation Drift
- That structure genuinely recurs across distinct substrates as co-instances, not resemblances — "coder drift" or "rater drift" in survey methodology, "diagnostic drift" or "rubric drift" in medicine, "sentencing drift" in law, "instrument drift" in measurement theory.
This sourceThe international metrology vocabulary's definition of instrumental drift - continuous or incremental change over time in an instrument's indication due to changes in its metrological properties.
Supported in partVerified against a saved copy of the source
“continuous or incremental change over time in indication , due to changes in metrological properties of a measuring instrument”
- That structure genuinely recurs across distinct substrates as co-instances, not resemblances — "coder drift" or "rater drift" in survey methodology, "diagnostic drift" or "rubric drift" in medicine, "sentencing drift" in law, "instrument drift" in measurement theory.
- Dimensionless Quantity
- Listed in the references but not attached to a specific claim.
Mechanisms¶
- Calibration Check
- The classic misuse is calibrating to a convenient in-house artifact that was never certified, breaking the traceability chain
This sourceDefines metrological traceability as a documented unbroken chain of calibrations connecting a result to a reference.
- The classic misuse is calibrating to a convenient in-house artifact that was never certified, breaking the traceability chain
- Calibration Procedure
- It anchors to a reference standard more trusted than the instrument under test — ideally with traceability up an unbroken chain to a primary standard
This sourceDefines calibration as relating instrument indications to values supplied by measurement standards, with associated uncertainties and, where applicable, a stated correction.
- It anchors to a reference standard more trusted than the instrument under test — ideally with traceability up an unbroken chain to a primary standard
- Calibration Reference Set
- Its strength is that it gives the whole fidelity loop a fixed point to lean on — a set of truths whose credibility comes from metrological traceability, an unbroken documented chain from each reference back to an authoritative standard.
This sourceDefines metrological traceability as relating a measurement result to a reference through a documented, unbroken chain of calibrations, potentially reaching national or international standards.
- Its strength is that it gives the whole fidelity loop a fixed point to lean on — a set of truths whose credibility comes from metrological traceability, an unbroken documented chain from each reference back to an authoritative standard.
- Calibration Traceability Record
- It is the backbone of metrological traceability.
This sourceDefines metrological traceability through a documented unbroken chain of calibrations.
- It is the backbone of metrological traceability.
Verification¶
Does it exist? Confirmed. This work's DOI resolves to a registered record, which fixes its identity. That is all it fixes.
Does it back the claim? Read against the text for 5 of 11 citations: 5 supported in part. Each verdict is shown under its citation below, with what in the work backs the sentence.
Was it audited? Yes. A second, independent pass read the citation against the article text and recorded a verdict.
Support is checked per citation rather than per work — the same source can be cited soundly in one article and wrongly in another. Per-citation recording began recently, so a citation with no recorded check is a gap in the record rather than evidence it went unchecked.
See how references were verified.
Links previously used in the corpus¶
Before the registry existed this work was also linked 3 other ways.
- https://doi.org/10.59161/JCGM200-2012 ×4
- https://www.bipm.org/documents/20126/2071204/JCGM_200_2012.pdf ×4
- https://jcgm.bipm.org/vim/en/index.html ×1
Registry ID ref:74b435bfbfa1 · see in the full table