QIMT Glossary



Definitions of Metrology terms & phrases.

If you know of a term or phrase that belongs here, you can submit the term or phrase and associated definition by adding an entry. NOTE: All entries are reviewed and approved prior to being seen by others on the site.


Procedure for adding a Definition:

  1. Click on the "Add a New Entry" button.
  2. Under the first required field labeled 'Concept', enter the Metrology word or term.
  3. In the 'Description' Field, put the definition, don't forget to use the "DeWord" button to remove MS Word formatting if you are copying and pasting from MS Word; see lounge forum for note regarding this issue.
  4. Ignore the other entries and submit.


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Browse the glossary using this index

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C

Correction factor

Factor by which the uncorrected measuring result is multiplied to compensate for a systematic error.

Correction value

Value which added algebraically to the uncorrected result of a measurement compensates for a systematic error.

CRM

See Reference material, certified.

CSIR - NML

National Metrology Laboratory, the national metrological instituteSouth Africa.

CSIRO NML

The national metrological institute of Australia. The National Measurement Laboratory NML is a National Facility within the Commonwealth Scientific and Industrial Research Organisation CSIRO.

D

Dead band

Maximum interval through which a stimulus may be changed in both directions without producing a change in response of a measuring instrument.

Derived unit

(of measurement)

Detector

A device or substance that indicates the presence of a phenomenon without necessarily providing a value of an associated quantity. E.g. litmus paper.

Deviation

Value minus its reference value.

DFM

Dansk Institut for Fundamental Metrologi. The national metrological instituteDenmark.

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