I.S. EN 61094-3:2016
Current
The latest, up-to-date edition.
ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 3: PRIMARY METHOD FOR FREE-FIELD CALIBRATION OF LABORATORY STANDARDMICROPHONES BY THE RECIPROCITY TECHNIQUE
Hardcopy , PDF
English
01-01-2016
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National Foreword
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Reference environmental conditions
5 Principles of free-field calibration by reciprocity
6 Factors influencing the free-field sensitivity
7 Calibration uncertainty components
Annex A (informative) - Values for the position of the
acoustic centre
Annex B (normative) - Values of the air attenuation
coefficient
Annex C (informative) - Environmental influence on
the sensitivity of microphones
Annex D (informative) - Application of time selective
techniques for removal of unwanted reflections
and acoustic interference between microphones
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
Defines a primary method of determining the complex free-field sensitivity of laboratory standard microphones so as to establish a reproducible and accurate basis for the measurement of sound pressure under free-field conditions. Pertains to laboratory standard microphones meeting the requirements of IEC 61094-1.
| DevelopmentNote |
Supersedes IEC 60486. (02/2002) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
76
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NBN EN 61094-3 : 2016 | Identical |
| NF EN 61094-3 : 1996 | Identical |
| UNE-EN 61094-3:2017 | Identical |
| BS EN 61094-3:2016 | Identical |
| SN EN 61094-3 : 2016 | Identical |
| EN 61094-3:2016/AC:2017-01 | Identical |
| DIN EN 61094-3:2015-09 (Draft) | Identical |
| EN 61094-8:2012/AC:2013 | Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison |
| IEC TS 61094-7:2006 | Measurement microphones - Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones |
| EN 61094-1:2000 | Measurement microphones - Part 1: Specifications for laboratory standard microphones |
| IEC 61094-1:2000 | Measurement microphones - Part 1: Specifications for laboratory standard microphones |
| EN 61094-2:2009 | Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique |
| ISO 9613-1:1993 | Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere |
| IEC 61094-8:2012 | Measurement microphones - Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison |
| IEC 61094-2:2009 | Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique |
| ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
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