IEC 61094-3 Ed. 1.0 b:1995

IEC 61094-3 Ed. 1.0 b:1995 [ Withdrawn ] Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique

standard by International Electrotechnical Commission, 11/16/1995

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Applies to laboratory standard microphones meeting the requirements of IEC 61094-1. The principles of the method are applicable to other types of microphones. In particular, microphones which fulfil the requirements of IEC 61094-1, when fitted with a special adaptor, may also be calibrated according to this standard when the adaptor is removed. Specifies a primary method of determining the free-field sensitivity so as to establish a reproducible and accurate basis for the measurement of sound pressure under free-field conditions. This publication supersedes IEC 60486.