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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 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