IEC 60655 Ed. 1.0 b:1979 PDF

Gives the values that are to be added to the pressure sensitivity level of a microphone in order to obtain the free-field sensitivity level when a very high accuracy is not called for or when conditions for carrying out an accurate free-field calibration are not available. The values given have been derived from measurements of the pressure and free-field sensitivity levels of a number of microphones carried out in accordance with IEC 60327 and IEC 60486 to which reference should be made concerning terminology, microphone preamplifier configurations, etc.

Edition :	1.0
File Size :	1 file , 530 KB
Note :	This product is unavailable in Ukraine, Russia, Belarus
Number of Pages :	15
Published :	01/01/1979