M Stock and R Pello 1999 Metrologia 36 149 doi:10.1088/0026-1394/36/2/10
Improved measurement accuracy and uncertainty budget of the BIPM primary standard manobarometer
M Stock and R Pello
Show affiliationsSHORT COMMUNICATION
The uncertainty budget of the BIPM primary standard manobarometer of the BIPM-Jaeger type, which has been replicated commercially for use in other national metrology laboratories, has been re-assessed. The effect of different media on the paths of the two white-light beams sensing the mercury column height has been studied using the actual spectrum of the light. The dominating contributions to the overall uncertainty have been reduced substantially.
- PACS
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07.07.Hj Display and recording equipment, oscilloscopes, TV cameras, etc.
06.30.Bp Spatial dimensions (e.g., position, lengths, volume, angles, and displacements)
- Subjects
- Dates
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Issue 2 (April 1999)
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Improved measurement accuracy and uncertainty budget of the BIPM primary standard manobarometer
M Stock and R Pello 1999 Metrologia 36 149
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