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  • BS 2497-2:1969

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

Publisher: BS

File Format: PDF

$125.00$251.46


Published:10/03/1971

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies value of sound pressure level corresponding to audiometric zero for monaural earphone listening to pure tones of certain stated frequencies.

All current amendments available at time of purchase are included with the purchase of this document.

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