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CMC AREA
CMCs General Physics (252)
PHYSICS
Dimensional metrology
Photometry
Mass, mass standards
AC voltage, current, and power (15)
DC voltage, current, and resistance (3)
Density (20)
Fibre optics (3)
Fluid flow (16)
Force (15)
Frequency (5)
Impedance up to the MHz range (16)
Laser frequencies (2)
Other DC and low frequency measurements (1)
Pressure (18)
Properties of detectors and sources (8)
Properties of materials (4)
Radio frequency measurements (52)
Sound in air (23)
Sound in water (1)
Temperature (15)
Time scale difference (4)
Torque, Viscosity, Hardness and Gravity (15)
Vibration (16)
GEOGRAPHIC LOCATION
SIM (252)
Mexico (252)
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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Acoustics, Ultrasound, Vibration for Mexico (.PDF file)
Pressure sensitivity level. Measurement microphone type LS1. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.15
Pressure reciprocity IEC 1094-2:1992
Frequency: 10 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.05
Pressure reciprocity IEC 1094-2:1992
Frequency: 63 Hz to 3.15 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.06
Pressure reciprocity IEC 1094-2:1992
Frequency: 4 kHz to 8 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.1
Pressure reciprocity IEC 1094-2:1992
Frequency: 9 kHz to 10 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.12
Pressure reciprocity IEC 1094-2:1992
Frequency: 12.5 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.14
Pressure reciprocity IEC 1094-2:1992
Frequency: 14 kHz to 18 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
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