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IEC specifications pressure factorys

IEC specifications pressure factorys

IEC 61094-4, 1st Edition, November 1995 - Measurement Microphones Part 4: Specifications for Working Standard Microphones Scope and object This part of IEC 1094 is applicable to working standard microphones. It specifies mechanical dimensions and certain electroacoustical characteristics for working standard microphones used in measuring systems for the determination of sound pressure

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