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  • BS 2497-4:1972

BS 2497-4:1972

Specification for a reference zero for the calibration of pure-tone audiometers-Normal threshold of hearing for pure tones by bone conduction

BSI Group, 07/25/1972

Publisher: BS

File Format: PDF

$125.00$251.46


Published:25/07/1972

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

Specifies value of acceleration corresponding to the audiometric zero for bone conduction listening to pure tones.

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

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