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Your query 'cenam' produced 574 results New search
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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Electricity and Magnetism for Mexico (.PDF file)
Transmission coefficient: on coaxial magnitude. 2-port coaxial device, 20 dB to 50 dB
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in dB: 0.036 to 0.081
Vector automatic network analyzer
Frequency: 1 GHz to 2 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-(001, 002, 003, 004, 007)-CC
Uncertainty table
 
Transmission coefficient: on coaxial magnitude. 2-port coaxial device, 20 dB to 50 dB
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in dB: 0.036 to 0.152
Vector automatic network analyzer
Frequency: 2 GHz to 18 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-(001, 002, 003, 004, 007)-CC
Uncertainty table
 
Transmission coefficient: on coaxial magnitude. 2-port coaxial device, 50 dB to 70 dB
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in dB: 0.191 to 1.659
Vector automatic network analyzer
Frequency: 45 MHz to 1 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-(001, 002, 003, 004, 007)-CC
Uncertainty table
 
Transmission coefficient: on coaxial magnitude. 2-port coaxial device, 50 dB to 70 dB
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in dB: 0.080 to 0.330
Vector automatic network analyzer
Frequency: 1 GHz to 2 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-(001, 002, 003, 004, 007)-CC
Uncertainty table
 
Transmission coefficient: on coaxial magnitude. 2-port coaxial device, 50 dB to 70 dB
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in dB: 0.074 to 0.231
Vector automatic network analyzer
Frequency: 2 GHz to 18 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-(001, 002, 003, 004, 007)-CC
Uncertainty table
 
Transmission coefficient: on coaxial phase. 2-port coaxial device, -180 º to 180 º
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in º: 1.78 to 6.85
Vector automatic network analyzer
Frequency: 45 MHz to 18 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-(001, 002, 003, 004, 007)-CC
Uncertainty table
 
Transmission coefficient: on coaxial magnitude. 2-port coaxial device, 0 dB to 20 dB
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in dB: 0.023 to 0.066
Vector automatic network analyzer
Frequency: 45 GHz to 18 GHz
Connector: Type N
Approved on 09 October 2012
Uncertainty table
 
RF power. Precision source, 1 mW
Relative expanded uncertainty (k = 2, level of confidence 95.45%) in mW/W: 4.000
Thermistor mount with DC substitution bridge
Frequency: 50 MHz, 1 GHz
Approved on 09 October 2012
Internal NMI service identifier: CENAM/E018-001C-CC
 
RF voltage. RF voltage meter, 0.5 V to 1 V
Relative expanded uncertainty (k = 2, level of confidence 95.45%) in mV/V: 0.01 to 0.03
RF to DC transfer
Frequency: 10 kHz to 3 MHz
Approved on 09 October 2012
Uncertainty value depends on frequency
Uncertainty table
 
DC voltage sources: single values. Solid state voltage standard, 1 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 0.3
Ratio technique from 1.018 V to 1 V via a DVM
Room temperature: 23 °C
Ambient pressure: 81 kPa
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E011-003-01
 
DC voltage sources: single values. Solid state voltage standard, 1.018 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 0.3
Differential measurement using a redundant design
Room temperature: 23 °C
Ambient pressure: 81 kPa
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E011-003-02
 
DC voltage sources: single values. Solid state voltage standard, 10 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 0.3
Ratio technique from 1.018 V to 10 V via a DVM and a resistive divider
Room temperature: 23 °C
Ambient pressure: 81 kPa
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E011-003-03
 
Transmittance, diffuse, spectral. Spectrally-neutral material, 0 to 1
Absolute expanded uncertainty (k = 2, level of confidence ~95%): 0.003
Spectrophotometer
Wavelength: 240 nm to 900 nm
Bandwidth: 1 nm to 5 nm
Specific measurement conditions: normal incidence
Best measurement capability is valid only using PTB-certified white reference standard; the uncertainty increases for NPL certified references.
Internal NMI service identifier: CENAM/520-D006-004
 
Reflectance, diffuse, spectral. Spectrally-neutral material, 0.003 to 1
Absolute expanded uncertainty (k = 2, level of confidence ~95%): 0.002 to 0.003, varies with measurand
Spectrophotometer
Wavelength range: 380 nm to 780 nm
Bandwidth: 1 nm to 5 nm
Specific measurement conditions: 8°/d, 8°/t
Best measurement capability is valid only using PTB-certified white reference standard; the uncertainty increases for NPL certified references.
Internal NMI service identifier: CENAM/520-D006-003
 
Colour, surface, x, y, Y. General material. x and y, 0.0001 to 1
Absolute expanded uncertainty (k = 2, level of confidence ~95%): 0.006
Spectrophotometer
Specific measurement conditions: 8°/d, 8°/t
Type of material: reflecting material
Internal NMI service identifier: CENAM/520-D006-003
 
Colour, surface, x, y, Y. General material Y, 0 to 100
Absolute expanded uncertainty (k = 2, level of confidence ~95%): 0.21
Spectrophotometer
Specific measurement conditions: 8°/d, 8°/t
Type of material: reflecting material
Internal NMI service identifier: CENAM/520-D006-003
 
Wavelength. Optical spectrum analyser, 600 nm to 1600 nm
Absolute expanded uncertainty (k = 2, level of confidence ~95%) in nm: 0.03
Approved on 21 September 2005
Internal NMI service identifier: CENAM/520-D003-008
 
Correlated color temperature. Tungsten lamp, 2000 K to 3200 K
Absolute expanded uncertainty (k = 2, level of confidence ~95%) in K: 50 to 100, varies with measurand
Spectroradiometer
Internal NMI service identifier: CENAM/520-D005-003
 
Color, emitted, x, y. General source, no range given
Absolute expanded uncertainty (k = 2, level of confidence ~95%): 0.006
Spectroradiometer
Bandwidth: 2.5 nm
Type of source: tungsten lamp
Internal NMI service identifier: CENAM/520-D005-003
 
Fibre optics. Length. Single-mode optical fibre, 1 km to 15 km
Absolute expanded uncertainty (k = 2, level of confidence ~95%) in m: 0.1
Phase shift method
Wavelength: 1310 nm, 1550 nm, 1625 nm
Standard used: vectorial network analyzer
Approved on 29 June 2010