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
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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
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