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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Length for Mexico (.PDF file)
CMM artefacts. Ball bar: ball spacing L, 10 mm to 1100 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: (0.4 + 0.6E-03L)
CMM and stylus, with gauge substitution
Approved on 14 June 2004
Internal NMI service identifier: CENAM/36
 
CMM artefacts. Ball and bore plates, L, 10 mm to 650 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: (0.6 + 0.9E-03L)
CMM and stylus, with gauge substitution and reversal methods
Approved on 14 June 2004
Internal NMI service identifier: CENAM/37
 
Charge sensitivity (phase shift). Accelerometer, 0 ° to 360 °
Absolute expanded uncertainty (k = 2, level of confidence 95%) in °: 2
Laser interferometry ISO 16063-11
Frequency: 50 Hz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Voltage sensitivity (phase shift). Acceleration measuring chain, 0 ° to 360 °
Absolute expanded uncertainty (k = 2, level of confidence 95%) in °: 2
Laser interferometry ISO 16063-11
Frequency: 50 Hz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Ultrasonic power. Ultrasonic source transducer, 0.01 W to 1 W
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 11
Radiation force balance IEC 1161
Frequency: 1 MHz to 10 MHz
Internal NMI service identifier: CENAM/510-F018-003
 
Charge sensitivity (magnitude). Accelerometer. Measurand unit, C/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1
Reciprocity ASA S2.2-1959 ISO-16063-1
Frequency: 100 Hz to 4 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F010-001
 
Charge sensitivity (magnitude). Accelerometer. Measurand unit, C/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.5
Laser interferometry ISO 16063-11
Frequency: 50 Hz to 1 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Charge sensitivity (magnitude). Accelerometer. Measurand unit, C/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.8
Laser interferometry ISO 16063-11
Frequency: 1 kHz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Charge sensitivity (magnitude). Accelerometer. Measurand unit, C/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2
Laser interferometry ISO 16063-11
Frequency: 5 kHz to 8 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Charge sensitivity (magnitude). Accelerometer. Measurand unit, C/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.2
Comparison, ISO 5347-3
Frequency: 50 Hz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F012-001
 
Voltage sensitivity (magnitude). Acceleration measuring chain. Measurand unit, V/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.5
Laser interferometry ISO 16063-11
Frequency: 50 Hz to 1 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Voltage sensitivity (magnitude). Acceleration measuring chain. Measurand unit, V/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.2
Comparison, ISO 5347-3
Frequency: 50 Hz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F012-001
 
Voltage sensitivity (magnitude). Acceleration measuring chain. Measurand unit, V/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.7
Comparison, ISO 5347-3
Frequency: 50 Hz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F012-015
 
Acceleration. Acceleration measuring instrument, 10 m/s2 to 100 m/s2
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.5
Laser interferometry ISO 16063-11
Frequency: 50 Hz to 1 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Acceleration. Acceleration measuring instrument, 10 m/s2 to 100 m/s2
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.8
Laser interferometry ISO 16063-11
Frequency: 1 kHz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F011-001
 
Acceleration. Acceleration measuring instrument, 10 m/s2 to 50 m/s2
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.2
Comparison, ISO 5347-3
Frequency: 50 Hz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F019-001
 
Acceleration. Acceleration measuring instrument, 10 m/s2 to 50 m/s2
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2
Comparison, ISO 5347-3
Frequency: 50 Hz to 1 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-G'03-002
 
Acceleration. Calibrators, 10 m/s2 to 100 m/s2
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1
Comparison, ISO 5347-3
Frequency: 80 Hz to 160 Hz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F012-009
 
Acceleration. Calibrators, 10 m/s2 to 100 m/s2
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2
Comparison, ISO 5347-3
Frequency: 50 Hz to 5 kHz
Sinusoidal excitation
Internal NMI service identifier: CENAM/510-F012-009
 
Time scale difference. Local clock, -1 s to +1 s
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ns: 2
Local clock vs. UTC(CNM)
Averaging time: 1 hour
Approved on 25 February 2009