I.S. EN 61094-2:2009&A1:2022现行
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
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This part of International Standard IEC 61094 – is applicable 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.
IEC 61094-2:2009/AMD1:2022 - Identical
(INVALID RECORD) EN 61094-2:2009/A1:2022 - Identical
