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.
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.
In metrology, error (or measurement error) is an estimate of the difference between the measured value and the probable true value of the object of the measurement.
Hysteresis is a common phenomenon in calibration, which occurs when the output of a measuring instrument or system depends not only on the current input value, but also on its past history. This means that the output value can be different depending on whether the input value is increasing or decreasing, and can exhibit a
Organization, performance, and evaluation of tests or calibrations on the same or similar items or materials by two or more laboratories in accordance with predetermined conditions.
A systematic and documented process for obtaining audit evidence and evaluating it objectively to verify that a laboratory’s operations comply with the requirements of its quality system.
