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OVE EN 61094-3:2020-03

Действует
Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-3:2016 + COR1:2016) (english version)
This part of IEC 61094
• specifies a primary method of determining the complex free-field sensitivity of laboratory
standard microphones so as to establish a reproducible and accurate basis for the
measurement of sound pressure under free-field conditions,
• is applicable to laboratory standard microphones meeting the requirements of
IEC 610941,
• is intended for use by laboratories with highly experienced staff and specialized
equipment.
ICS
33.160.50 Auxiliaries. Including headphones, loudspeakers, microphones, etc. / Вспомогательные устройства. Включая наушники, громкоговорители, микрофоны и т.д.
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры