A new definition of the kilogram was necessary, in order to ensure the measurement unit is independent from a physical object. more
Performance Verification of Weighing Equipment
To ensure consistent accuracy and validity of weighing results, weighing equipment should be inspected and tested at regular intervals. Many companies expend big efforts on verifying instruments on a daily basis, in addition to performing unnecessary or even wrong tests. A risk-based performance verification focuses test resources where risks are high and saves efforts where risks are low.