Uncertainty analysis of the new Spanish National Pressure Standard

  • A. Herrero*
  • , M. C. Matilla
  • , N. Cereceda
  • , S. Ruiz
  • , R. Bueno
  • *Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)

Abstract

This paper presents the project for developing a new interferometer-based mano-barometer. This system will constitute the National Primary Pressure Standard maintained at CEM. This device is based on the ancient Torricelli's experience and applies modern techniques in order to obtain a very accurate instrument. This system will allow the calibration up to 300 kPa with uncertainties about 5 · 10-6. Laser interferometry is applied and special attention is given to the accurate determination of fluid density. Hence, this paper describes the technology used in the project. Its influence on the measurement is being studied prior to the manufacturing and assembling phases.

Original languageEnglish
Pages (from-to)467-470
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume51
Issue number1
DOIs
Publication statusPublished - 2002
Externally publishedYes

Keywords

  • Error Budgeting
  • Measuring Instrument
  • Ultraprecision Engineering

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