DS DS/EN 61094-4
DS DSEN 61094-4 1996-MAY-24 Measurement mcrophones - Part 4 Specfcatons for workng standard mcrophones
DS DSEN 61094-4 1996-MAY-24 Measurement mcrophones - Part 4 Specfcatons for workng standard mcrophones
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 determination of sound pressure to enable these microphones to be used as transfer standards in the calibration of acoustic measurement instruments.