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| | | Mexico, CENAM (Centro Nacional de Metrologia) | | | Complete CMCs in Acoustics, Ultrasound, Vibration for Mexico (.PDF file)
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| 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 |
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