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calibration, metrology

Instrumental drift

Instrumental drift is continuous incremental change over time in indication, due to changes in metrological properties of a measuring instrument.
Posted on 1402/12/08 0
calibration

Calibration

Calibration, operation that, under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties
Posted on 1402/12/05 0
metrology

Metrological traceability

Metrological traceability, property of a measurement result whereby the result can be related to a reference through a documented unbroken
Posted on 1402/12/03 0
metrology

Indication

Most measurements are based on indications provided by measuring instruments or measuring systems. An indication (e.g. an instrument signal or
Posted on 1402/11/28 0
Primary reference measurement procedure
metrology

Primary reference measurement procedure

Primary reference measurement procedure used to obtain a measurement result without relation to a measurement standard for a quantity of
Posted on 1402/11/26 0
metrology

Preliminary to making a measurement

Before making a measurement, the quantity must be clearly defined, bearing in mind the purpose for which the experimental result
Posted on 1402/11/25 0
metrology

International System of Quantities

International System of Quantities is that system of quantities based on the seven base quantities: length, mass, time, electric current,
Posted on 1402/11/22 0
calibration, metrology

System of quantities

System of quantities , set of quantities together with a set of non-contradictory equations relating those quantities. In practice, it
Posted on 1402/11/22 0

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This site was founded to provide updated and specialized information in the field of quality management systems and to share my experiences in the field of conformity assessment and promotion of this scienc

mohammad ghaaemi

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