• BS 2497-5:1988

BS 2497-5:1988

Standard reference zero for the calibration of pure tone air conduction audiometers-Specification for a standard reference zero using an acoustic coupler complying with BS 4668

BSI Group, 02/29/1988

Publisher: BS

File Format: PDF

$76.00$152.40


Published:29/02/1988

Pages:8

File Size:1 file

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

Reference equivalent threshold sound pressure levels for two earphones, Beyer DT 48 with flat cushion and Telephonics TDH 39 with MC 41/AR cushion, in a form suitable for calibration.

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

More BS standard pdf

BS 3483-B6:1974

BS 3483-B6:1974

Methods for testing pigments for paints. Determination of matter volatile at 105.C

$125.00 $251.46

BS 3483-B4:1974

BS 3483-B4:1974

Methods for testing pigments for paints. Determination of residue on sieve (water method, using a mechanical flushing procedure)

$125.00 $251.46

BS 2455-1:1973

BS 2455-1:1973

Sampling and examining deposits from boilers and associated industrial plant-Water-side deposits

$125.00 $251.46

BS 21:1973

BS 21:1973

Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads

$90.00 $180.34