Self-calibration of the 1 MN deadweight force standard machine at INRiM
DOI:
https://doi.org/10.21014/acta_imeko.v9i5.948Abstract
The INRiM 1 MN deadweight force standard machine (DFSM) was installed in 1995. It adopts a binary sequence of ten weights whose combinations generate forces up to 1 MN. The advantage of this system lies in the self-calibration of its weights. The procedure is based on the comparison between two forces generated by a single weight and by a group of smaller weights, nominally equal. After 25 years, a verification of the DFSM was performed. Results are within the declared CMC limits, i.e. a relative expanded uncertainty of 2 × 10-5.Downloads
Published
2020-12-31
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