| Metrology area, Sub-field | Acoustics, Ultrasound, Vibration, Acoustics |
| Description | Comparison of secondary free-field calibration of WS2 microphones according to the IEC standard 61094-8:2012 |
| Time of measurements | 2013 - 2014 |
| Status | Approved |
| Final Reports of the comparisons | |
| References | |
| Measurand | Open circuit free-field sensitivity level of WS2 microphones, in decibels with a reference value of 1 V/Pa |
| Parameters | Frequenct range: 25 Hz to 500 Hz (optional), 500 Hz to 20 kHz (mandatory), 20 kHz to 40 kHz (optional) |
| Transfer device | Two WS2 microphones |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCAUV (Consultative Committee for Acoustics, Ultrasound and Vibration) |
| Conducted by | EURAMET (European Association of National Metrology Institutes) |
| Comments | Report published on 18 December 2019
|
| Pilot institute |
LNE
Laboratoire national de métrologie et d'essais France |
| Contact person | Dominique Rodrigues +33 1 30 69 14 87 |
| Pilot laboratory | |
|---|---|
| LNE |
Laboratoire national de métrologie et d'essais, France, EURAMET |
| BEV |
Bundesamt für Eich- und Vermessungswesen, Austria, EURAMET |
| DFM |
Danish Fundamental Metrology A/S, Denmark, EURAMET |
| INMETRO |
Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM |
| INRIM |
Istituto Nazionale di Ricerca Metrologica, Italy, EURAMET |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
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