This part of IEC 61094 gives a polynomial function derived from a least square fit to data from several laboratories, for the differences between free field and pressure sensitivity levels of laboratory standard microphones as specified in IEC 61094 1; enables determination of the free-field sensitivity level of a laboratory standard microphone for zero-degrees incidence in air by adding values of these differences to the pressure sensitivity level; gives tabulated values for the polynomial function for a range of frequency and temperature; is applicable when a suitable free field calibration is not available.
- Published:
- 09/28/2021
- ANSI:
- ANSI Approved
- Number of Pages:
- 20
- File Size:
- 1 file , 750 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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