| Metrology area, Sub-field | Acoustics, Ultrasound, Vibration, Acoustics |
| Description | Calibration of Sound pressure level |
| Time of measurements | 2018 - 2019 |
| Status | Approved |
| Final Reports of the comparisons | |
| References | |
| Measurand | Sound pressure level 124 dB (reference: 20 μPa) at 250 Hz |
| Parameters | Frequency at 250 Hz |
| Transfer device | Pistonphone Brüel and Kjaer (4228 S/N 2836183) |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCAUV (Consultative Committee for Acoustics, Ultrasound and Vibration) |
| Conducted by | SIM (Inter-American Metrology System) |
| Comments | IEC 60942:2017 using LS1 and LS2 microphones
|
| Pilot institute |
INMETRO
Instituto Nacional de Metrologia, Qualidade e Tecnologia Brazil |
| Contact person | Thiago Antônio B. Milhomem +5521 26799221 |
| Additional |
| Pilot laboratory | |
|---|---|
| INMETRO |
Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM |
| CENAM |
Centro Nacional de Metrologia, Mexico, SIM |
| INACAL |
National Institute for Quality, Peru, SIM |
| INTI |
Instituto Nacional de Tecnologia Industrial, Argentina, SIM |
| LACOMET |
Laboratorio Costarricense de Metrologia, Costa Rica, SIM |
| NIST |
National Institute of Standards and Technology, United States, SIM |
| NRC |
National Research Council, Canada, SIM |
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