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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Electricity and Magnetism for Mexico (.PDF file)
Reflection coefficient: on coaxial phase (with magnitude of reflection coefficient below or equal to 0.1). 1-port coaxial device, -180 ° to 180 °
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in °: 1.35 to 180
Vector automatic network analyzer
Frequency: 45 MHz to 2 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-001-CC, -002-CC, -008-CC
Uncertainty table
 
Reflection coefficient: on coaxial phase (with magnitude of reflection coefficient below or equal to 0.1). 1-port coaxial device, -180 ° to 180 °
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in º: 1.99 to 180
Vector automatic network analyzer
Frequency: 2 GHz to 10 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-001-CC, -002-CC, -008-CC
Uncertainty table
 
Reflection coefficient: on coaxial phase (with magnitude of reflection coefficient below or equal to 0.1). 1-port coaxial device, -180 ° to 180 °
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in °: 3.71 to 180
Vector automatic network analyzer
Frequency: 10 GHz to 18 GHz
Connector: Type N
Approved on 09 October 2012
Internal NMI service identifier: CENAM/410-E002-001-CC, -002-CC, -008-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 0.072
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, 20 dB to 50 dB
Absolute expanded uncertainty (k = 2, level of confidence 95.45%) in dB: 0.035 to 0.193
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, 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
 
Capacitance: meters. Capacitance bridge, LCR meter (capacitance), 0.001 nF to 1000 nF
Relative expanded uncertainty (k = 2, level of confidence 95%) in µF/F: 0.5 to 40
Direct measurement
Frequency: 1 kHz
Voltage: 1 mV to 50 V
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E009-004B
Uncertainty table
 
Inductance: meters. LCR meter (inductance), 0.1 mH to 10000 mH
Relative expanded uncertainty (k = 2, level of confidence 95%) in mH/H: 0.05 to 0.63
Direct measurement
Frequency: 1 kHz
Current: 10 µA to 30 mA
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E009-004B
Uncertainty table
 
AC-DC voltage transfer: AC-DC transfer difference at low voltages (typically below or equal to 0.5 V). AC-DC transfer standard, 2 mV to 500 mV
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 4 to 400
Direct comparison
Frequency: 10 Hz to 1 MHz
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E010-003-01-a
Uncertainty table
 
AC-DC voltage transfer: AC-DC transfer difference at medium voltages (typically above 0.5 V to 5 V). AC-DC transfer standard, 1 V to 5 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 4 to 42
Direct comparison
Frequency: 10 Hz to 1 MHz
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E010-003-02-a
Uncertainty table
 
AC-DC voltage transfer: AC-DC transfer difference at higher voltages (typically above 5 V). AC-DC transfer standard, 10 V to 1000 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 6 to 103
Direct comparison
Frequency: 10 Hz to 1 MHz
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E010-003-03-a
Uncertainty table
 
AC voltage up to 1000 V: sources. Multifunction calibrator, 0.002 V to 1000 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 12 to 600
Comparison vs AC-DC transfer standard
Frequency: 10 Hz to 1 MHz
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E010-001-01-a
Uncertainty table
 
Inductance: self inductance, intermediate values. Fixed inductor, 100 mH
Relative expanded uncertainty (k = 2, level of confidence 95%) in µH/H: 90
Substitution using an LCR meter
Frequency: 1 kHz
Current: 1 mA
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E009-010-04
 
Inductance: self inductance, intermediate values. Fixed inductor, 1 H
Relative expanded uncertainty (k = 2, level of confidence 95%) in mH/H: 0.11
Substitution using an LCR meter
Frequency: 1 kHz
Current: 100 µA
Approved on 28 April 2011
Internal NMI service identifier: CENAM/E009-010-05