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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R

Reference values

Normally part of the reference conditions of an instrument. See also Values, determined.

Relative error

Error of measurement divided by a true value of the measurand.

Repeatability (of a measuring instrument)

The ability of a measuring instrument to give, under defined conditions of use, closely similar responses for repeated applications of the same stimulus.

Repeatability (of results of measurements)

Closeness of the agreement between the results of successive measurements of the same measurand carried out under the same conditions of measurement.

Repressive measure

(opposite of preventive measure) used in market surveillance to reveal any illegal usage of a measuring instrument.

Reproducibility

(of results of measurements) Closeness of agreement between the results of measurements of the same measurand carried out under changed conditions of measurement.

Response

The input signal for a measuring system can be called a stimulus and the output signal can be called a response.

Result, corrected

Measuring result after correction for systematic error.

RMO

Regional Metrology Organisation

S

SADCMET

Southern African Development Community (SADC) Cooperation in Measurement Traceability.

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