Calibration certificates of ISO 17025
Calibration certificates of ISO 17025
Clause 5.10.4
5.10.4.1 In addition to the requirements listed in 5.10.2, calibration certificates shall include the following, where necessary for the interpretation of calibration results:
a) the conditions (e.g. environmental) under which the calibrations were made that have an influence on the measurement results;
b) the uncertainty of measurement and/or a statement of compliance with an identified metrological specification or clauses thereof;
c) evidence that the measurements are traceable (see Note 2 in 5.6.2.1.1).
5.10.4.2 The calibration certificate shall relate only to quantities and the results of functional tests. If a statement of compliance with a specification is made, this shall identify which clauses of the specification are met or not met.
When a statement of compliance with a specification is made omitting the measurement results and
associated uncertainties, the laboratory shall record those results and maintain them for possible future reference. When statements of compliance are made, the uncertainty of measurement shall be taken into account.
5.10.4.3 When an instrument for calibration has been adjusted or repaired, the calibration results before and after adjustment or repair, if available, shall be reported.
5.10.4.4 A calibration certificate (or calibration label) shall not contain any recommendation on the calibration interval except where this has been agreed with the customer. This requirement may be superseded by legal regulations.
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