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
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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
Pertains to laboratory standard microphones meeting the requirements of IEC 61094-1 and other types of condenser microphone having the same mechanical dimensions; specifies a primary method of determining the complex pressure sensitivity so as to establish a reproducible and accurate basis for the measurement of sound pressure.
| Committee |
CT 29/87
|
| DevelopmentNote |
Classificazione CEI 29-18. (08/2001) To be used in conjunction with CEI EN 61094-1. (07/2005)
|
| DocumentType |
Standard
|
| Pages |
86
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Standards | Relationship |
| IEC 61094-2:2009 | Identical |
| EN 61094-2:2009 | Identical |
| 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 |
| 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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