| Issue |
EPJ Web of Conferences
Volume 77, 2014
16th International Congress of Metrology
|
|
|---|---|---|
| Article Number | 00023 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/epjconf/20147700023 | |
| Published online | 19 August 2014 | |
https://doi.org/10.1051/epjconf/20147700023
Recent progress on the BIPM watt balance
Bureau International des Poids et Mesures, Pavillon de Breteuil, 12 bis Grande Rue, 92312 Sèvres Cedex, France
a Corresponding author: fang@bipm.org
Published online: 19 August 2014
We present the recent progress on the BIPM (Bureau International des Poids et Mesures) watt balance. The existing apparatus was transferred to the dedicated new laboratory with better thermal and vibrational conditions. The apparatus is fully operational in air. An improvement by a factor of three was achieved on the S/N ratio of both the voltage-to-velocity and force-to-current ratios. The fabrication of the parts of the new magnet is completed and its assembly is finished.
© Owned by the authors, published by EDP Sciences, 2014
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