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Accreditation

Beamex / Dictionary / Accreditation

Scope of ac­cred­i­ta­tion

For an accredited calibration or testing laboratory, the scope is a documented list of calibration or testing fields, parameters, specific mea­sure­ments, or cal­i­bra­tions and their best measurement, uncertainty.

Level of confidence

Defines an interval about the measurement result that encompasses a large fraction p of the probability dis­tri­b­u­tion char­ac­ter­ized by that result and its combined standard uncertainty, and p is the coverage probability or level of confidence of the interval

In­ter­na­tion­al Or­ga­ni­za­tion for Stan­dard­iza­tion (ISO)

An in­ter­na­tion­al non­govern­men­tal or­ga­ni­za­tion chartered by the United Nations in 1947, with head­quar­ters in Geneva, Switzerland.

Equivalence

Acceptance of the competence of other national metrology institutes (NMI), ac­cred­i­ta­tion bodies, and/or accredited or­ga­ni­za­tions in other countries as being essentially equal to the NMI, ac­cred­i­ta­tion body, and/or accredited or­ga­ni­za­tions within the host country. 

Deficiency

Non­ful­fill­ment of conditions and/or criteria for ac­cred­i­ta­tion, sometimes referred to as a non­con­for­mance.

Competence

For a laboratory, the demon­strat­ed ability to perform the tests or cal­i­bra­tions within the ac­cred­i­ta­tion scope and to meet other criteria established by the ac­cred­i­ta­tion body.

Ac­cred­i­ta­tion criteria

Set of re­quire­ments used by an accrediting body that a laboratory must meet in order to be accredited

Ac­cred­i­ta­tion certificate

Document issued by an ac­cred­i­ta­tion body to a laboratory that has met the conditions and criteria for ac­cred­i­ta­tion

Ac­cred­i­ta­tion body

An or­ga­ni­za­tion that conducts laboratory ac­cred­i­ta­tion evaluations in conformance to ISO Guide 58

Ac­cred­i­ta­tion (of a laboratory)

Formal recognition by an ac­cred­i­ta­tion body that a calibration or testing laboratory is able to competently perform the cal­i­bra­tions or tests listed in the ac­cred­i­ta­tion scope document