Hydraulic gauge pressure proficiency test in the range from 7 MPa to 70 MPa for Mexican accredited laboratories |
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| P. Olvera-Arana, J. C. Torres-Guzman, A. Navarro-Nateras, J. Aranzolo-Suárez |
- Abstract:
- At the end of 2006, the Pressure Group of the Centro Nacional de Metrología CENAM, Mexican National Metrology Institute, organized and piloted a proficiency test in hydraulic gauge pressure in the range from 7 MPa to 70 MPa for accredited laboratories by the Entidad Mexicana de Acreditación (ema), Mexican Accreditation Body. For the proficiency test, the pilot laboratory (CENAM) carried out three calibrations of the transfer standard; the first one at the beginning of the proficiency test, the second at the middle and the last one at the end of the program. With the measurements made by CENAM the reference values were established, including error and uncertainty. The deviations for each laboratory were compared against the reference values and the compatibility of results was calculated, for each participating laboratory, by means of the normalized error equation method. The measurements were carried out by each participant laboratory with their own resources (personnel, calibration systems, environmental conditions and in their installations). Laboratories located all around the country participated and most of the laboratories with this range of measurement participated. The proficiency test started in November 2006 and finished in March 2007.
- Keywords:
- pressure, proficiency tests, hydraulic gauge pressure
- Download:
- IMEKO-TC16-2007-082u.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC16
- Event name:
- Cultivating Metrological Knowledge
- Title:
- 3rd Conference on Pressure Measurement (together with 20th TC3 Conference on Measurement of Force, Mass and Torque & 1st TC22 Conference on Vibration Measurement)
- Place:
- Merida, MEXICO
- Time:
- 27 November 2007 - 01 December 2007