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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Mass and related quantities for Mexico (.PDF file)
Kinematic viscosity. Newtonian liquids, 0.9 mm2/s to 1.2 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.24
Reference liquid
Temperature: 40 °C to 20 °C
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/4
 
Kinematic viscosity. Newtonian liquids, 5 mm2/s to 22 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.30
Reference liquid
Temperature: 40 °C to 20 °C
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/5
 
Kinematic viscosity. Newtonian liquids, 3.5 mm2/s to 1800 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.35
Reference liquid
Temperature: 100 °C to 20 °C
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/6
 
Kinematic viscosity. Newtonian liquids, 80 mm2/s to 11600 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.40
Reference liquid
Temperature: 100 °C to 20 ºC
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/7
 
Kinematic viscosity. Newtonian liquids, 160 mm2/s to 35000 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.60
Reference liquid
Temperature: 100 °C to 20 ºC
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/8
 
Kinematic viscosity. Newtonian liquids, 200 mm2/s to 100000 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.70
Reference liquid
Temperature: 100 °C to 20 ºC
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/9
 
Kinematic viscosity. Newtonian liquids, 650 mm2/s to 326000 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.80
Reference liquid
Temperature: 100 °C to 20 ºC
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/10
 
Kinematic viscosity. Newtonian liquids, 3000 mm2/s to 770000 mm2/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.0
Reference liquid
Temperature: 100 °C to 20 ºC
Uncertainty statement corresponds to a reference temperature of 20 °C
Approved on 22 June 2006
Internal NMI service identifier: CENAM/11
 
Absolute pressure gas medium. Pressure measuring devices, 0.0001 Pa to 1 Pa
Relative expanded uncertainty (k = 2, level of confidence 95%): 9.00E-03
Direct comparison with standard
Temperature: 23 °C
Internal NMI service identifier: CENAM/720-F006-001
 
Absolute pressure gas medium. Pressure measuring devices, 1 Pa to 10 Pa
Relative expanded uncertainty (k = 2, level of confidence 95%): 3.50E-03
Direct comparison with standard
Temperature: 23 °C
Internal NMI service identifier: CENAM/720-F006-001
 
Absolute pressure gas medium. Pressure measuring devices, 10 Pa to 100 Pa
Relative expanded uncertainty (k = 2, level of confidence 95%): 2.50E-03
Direct comparison with standard
Temperature: 23 °C
Internal NMI service identifier: CENAM/720-F006-001
 
Absolute pressure gas medium. Pressure measuring devices, 100 Pa to 1 000 Pa
Relative expanded uncertainty (k = 2, level of confidence 95%): 2.50E-03
Direct comparison with standard
Temperature: 23 °C
Internal NMI service identifier: CENAM/720-F006-001
 
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
 
Absolute 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, 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
 
Absolute 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, 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
 
Absolute 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, 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
 
Absolute 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