4. What monitoring method should be used?
There are many different monitoring methods, and this fact sheet does not claim to cover them all. Rather, it proposes a sampling of them, enabling the laboratory to choose one (or more) that meets its expectations, and to initiate its implementation.
This implementation must be accompanied by an assessment of the risk of undetected drift in the measurement process. This risk assessment must determine the means to be used for monitoring (method and frequency).
4.1 Monitor your process from a known object
The principle of this monitoring method is to measure the same object under normal measurement conditions, and to evaluate the results statistically. The best-known example of this method is the pebble on the scale. A pebble is weighed...
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What monitoring method should be used?
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Bibliography
Surveillance des processus de mesure : Ouvrage édité par le Collège Français de Métrologie
Optimizing calibration periodicity: the OPPERET method : Book published by the Collège Français de Métrologie
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