2458. Weighing Errors: Assessed and Controlled


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J P Clark, A H Shull: 2458. Weighing Errors: Assessed and Controlled. 1999.



Modern electronic balances have become so sophisticated that many of them calibrate themselves and appear to provide error free measurements. Most balance manufacturers specify a repeatability of 1 scale division, which many users often equate to accuracy. The accuracy c the weight measurements can be influenced by many factors that contribute errors to the weighing process. This paper will discuss implementation of a new electronic weighing system at the Savannah River Site that replaced mechanical balances, results of studies conducted to assess the errors involved in the balance operation, lessons learned and recommendations.


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