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 7087-22:1995

Herbs and spices ready for food use-Specification for dried mustard seeds (whole and ground)

$76.00 $152.40

BS CECC 210000:1995

Harmonized system of quality assessment for electronic components. Requirements for technology approval schedules (TAS)

$125.00 $251.46

BS 7824-3.3:1995

Non-cellulosic papers for electrical purposes. Specifications for individual materials-Unfilled aramid (aromatic polyamide) papers

$76.00 $152.40

BS 5664-3.4:1995

Solventless polymerisable resinous compounds used for electrical insulation. Specification for individual materials-Filled polyurethane compounds

$76.00 $152.40