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

Description

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.

More BS standard pdf

BS 2011-2.1CA:1977

Environmental testing. Tests-Test Ca. Damp heat, steady state

$76.00 $152.40

BS 5276-4:1977

Pressure vessel details (dimensions)-Standardized pressure vessels

$90.00 $180.34

BS 5507-1:1977

Methods of test for falsework equipment-Floor centres

$85.00 $170.18

BS 2782-10 METHOD 1001:1977

Glass reinforced plastics measurement of hardness by means of a barcol impressor

$125.00 $251.46