CEI EN 61094-2 : 2014
Current
The latest, up-to-date edition.
ELECTROACOUSTICS - MEASUREMENT MICROPHONES PART 2: PRIMARY METHOD FOR THE PRESSURE CALIBRATION OF LABORATORY STANDARD MICROPHONES BY THE RECIPROCITY TECHNIQUE
Hardcopy , PDF
English - Italian
01-01-2014
1 Scope
2 Normative references
3 Terms and definitions
4 Reference environmental conditions
5 Principles of pressure calibration
by reciprocity
6 Factors influencing the pressure
sensitivity of microphones
7 Calibration uncertainty components
Annex A (normative) - Heat conduction
and viscous losses in a closed
cavity
Annex B (normative) - Acoustic impedance
of a capillary tube
Annex C (informative) - Examples of
cylindrical couplers for
calibration of microphones
Annex D (informative) - Environmental
influence on the sensitivity of
microphones
Annex E (informative) - Methods for
determining microphone parameters
Annex F (informative) - Physical properties
of humid air
Annex ZA (normative) - Normative references
to international publications with
their corresponding European
publications
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