Electroacoustics. Measurement microphones Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
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Standard number:
BS EN 61094-2:2009
Pages:
46
Released:
2009-05-31
ISBN:
978 0 580 57904 2
Status:
Standard
DESCRIPTION
BS EN 61094-2:2009
This standard BS EN 61094-2:2009 Electroacoustics. Measurement microphones is classified in these ICS categories:
25.160 Welding, brazing and soldering
33.160.50 Accessories
17.140.50 Electroacoustics
IEC 61094-2:2009 is applicable to laboratory standard microphones meeting the requirements of IEC 61094-1 and other types of condenser microphone having the same mechanical dimensions and 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. This second edition cancels and replaces the first edition published in 1992. This second edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - an update of Clause 6 to fulfil the requirements of ISO/IEC Guide 98-3; - an improvement of the heat conduction theory in Annex A; - a revision of Annex F: Physical properties of humid air.
