e. Instrument.
The use
of
the
word
"instrument"
includes
both
measurement standards and TMDE.
f. Calibration Equipment.
Measurement standards, test, measurement,
and
diagnostic
equipment,
and
accessories used
in
performance of
calibration.
g. Calibration Requirement.
The identification of an instrument that
requires calibration; a statement of the instrument's specifications that
must be verified; and the support application of the instrument.
h. Calibration Interval.
The period of time that a calibrated
instrument can be expected to retain its specified accuracy within a
predetermined confidence level before it must be recalibrated.
i. Calibration Procedure.
The document that identifies the technical
specifications of an instrument to be calibrated; the required measurement
standards; and the detailed technical procedure to be used to accomplish
calibration.
j. Measurement Techniques.
The technical methods derived from
scientific principles that are employed to determine or ascertain the value
of a parameter (length, mass, time, voltage, etc...).
k. Measurement System.
One or more measurement standards and
accessories interconnected to perform a complete measurement from the first
operation to the end result.
l. Calibration cycle.
An operation wherein certified standards are
transported to one or more locations for the purpose of certifying the
accuracy of reference standards or TMDE and then are returned to their
points of origin (refer to figure 3).
Figure 3.
Calibration Cycles.
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