The impact of cleaning weights before calibration
AbstractThis paper investigates the necessity of cleaning weights before calibration. The conflict between cleaning a weight and breaking the history by cleaning is analyzed. Experience from many hundreds of calibrations with measurements before and after cleaning is reported and analyzed. It is concluded, that weights should be cleaned in order to reach a stable state but should also be calibrated before and after cleaning to gain information about metrological traceability and thus the validity of the results that were produced with the weights.
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