BS 2497-2:1969
Specification for a reference zero for the calibration of pure-tone audiometers-Data for certain earphones used in commercial practice
BSI Group , 03/10/1971
$132.00
$264.16
Specifies value of sound pressure level corresponding to audiometric zero for monaural earphone listening to pure tones of certain stated frequencies.
Product Information
Published:
03/10/1971
ISBN:
0580004856
Language:
English
Note:
This product is unavailable in Ukraine, Russia, Belarus
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