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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Photometry and Radiometry for Mexico (.PDF file)
Illuminance. Tungsten lamp, 1 lx to 20000 lx
Relative expanded uncertainty (k = 2, level of confidence ~95%) in %: 1
Photometric bench and reference photometer
Correlated colour temperature: 2856 K
 
Illuminance responsivity, tungsten source. Illuminance meter. Measurand unit, A/lx or V/lx or Reading/lx
Relative expanded uncertainty (k = 2, level of confidence ~95%) in %: 1
Photometric bench and reference photometer
Illuminance: 50 lx to 3000 lx
Correlated colour temperature: 2856 K
Internal NMI service identifier: CENAM/520-D008-002
 
Luminous flux. Tungsten lamp, 10 lm to 100 lm
Relative expanded uncertainty (k = 2, level of confidence ~95%) in %: 1.4
Integrating sphere
Correlated colour temperature: 2600 K to 3100 K
Internal NMI service identifier: CENAM/520-D008-005
 
Luminous flux. Tungsten lamp, 100 lm to 5000 lm
Relative expanded uncertainty (k = 2, level of confidence ~95%) in %: 1.2
Integrating sphere
Correlated colour temperature: 2600 K to 3100 K
Internal NMI service identifier: CENAM/520-D008-005
 
Luminance. Tungsten-based source, 10 cd/m2 to 40000 cd/m2
Relative expanded uncertainty (k = 2, level of confidence ~95%) in %: 1 to 1.6
Integrating sphere source
Correlated colour temperature: 2856 K
Internal NMI service identifier: CENAM/520-D008-006
 
Luminance responsivity. Luminance meter. Measurand unit, A/(cd/m2), V/(cd/m2)
Relative expanded uncertainty (k = 2, level of confidence ~95%) in %: 2.5
Integrating sphere source
Luminance: 10 cd/m2 to 40000 cd/m2
Type of source used: Integrating sphere source
Internal NMI service identifier: CENAM/520-D008-003
 
Responsivity. Fibre optic power meter. Measurand unit, A/W or V/W or Reading/W
Relative expanded uncertainty (k = 2, level of confidence ~95%) in %: 1.2
Comparison
Wavelengths: 850 nm, 1300 nm, 1550 nm
Bandwidth: 5 nm
Power level: 18 µW to 100 µW
Internal NMI service identifier: CENAM/520-D003-001, 002, 003, 004, 006