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| | | Mexico, CENAM (Centro Nacional de Metrologia) | | | Complete CMCs in Mass and related quantities for Mexico (.PDF file)
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| Differential pressure gas medium. Low pressure gauges, 5.00E-03 kPa to 150 kPa | | Relative expanded uncertainty (k = 2, level of confidence 95%) in kPa: (15E-06 pl) + (15E-06 ps) | | Direct comparison with standard | | Temperature: 20 °C | | Line pressure pl: plmax = 150 kPa | | Standard pressure ps: pdiff = ps - pl | | Internal NMI service identifier: CENAM/720-F002-005 |
| | | Gauge pressure gas medium. Pressure measuring devices, 10 kPa to 175 kPa | | Relative expanded uncertainty (k = 2, level of confidence 95%): 1.50E-05 | | Direct comparison with standard | | Temperature: 20 °C | | Internal NMI service identifier: CENAM/720-F002-001, 002, 003, 004 |
| | | Gauge pressure gas medium. Pressure measuring devices, 175 kPa to 350 kPa | | Relative expanded uncertainty (k = 2, level of confidence 95%): 1.80E-05 | | Direct comparison with standard | | Temperature: 20 °C | | Internal NMI service identifier: CENAM/720-F002-001, 002, 003, 004 |
| | | Gauge pressure gas medium. Pressure measuring devices, 0.35 MPa to 1.75 MPa | | Relative expanded uncertainty (k = 2, level of confidence 95%): 2.60E-05 | | Direct comparison with standard | | Temperature: 20 °C | | Internal NMI service identifier: CENAM/720-F002-001, 002, 003, 004 |
| | | Gauge pressure gas medium. Pressure measuring devices, 1.75 MPa to 7 MPa | | Relative expanded uncertainty (k = 2, level of confidence 95%): 3.80E-05 | | Direct comparison with standard | | Temperature: 20 °C | | Internal NMI service identifier: CENAM/720-F002-001, 002, 003, 004 |
| | | Gauge pressure gas medium. Pressure measuring devices, 7 MPa to 80 MPa | | Relative expanded uncertainty (k = 2, level of confidence 95%): 5.00E-05 | | Direct comparison with standard | | Temperature: 20 °C | | Internal NMI service identifier: CENAM/720-F001-001, 720-F001-002 |
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