• Your shopping cart is empty!

  • 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 HC 106:1974

BS HC 106:1974

Specification for precipitaton hardening chromium-nickel-copper corrosion-resisting steel castings (1250-1500 MPa) (Cr 16, Ni 4, Cu 3)

$76.00 $152.40

BS 5140:1974

BS 5140:1974

Specification for pewter

$125.00 $251.46

BS 2982:1974

BS 2982:1974

Specification for scalpels with detachable blades

$125.00 $251.46

BS 4361-2.13:1974

BS 4361-2.13:1974

Woodworking machines. Accuracy tests-Turning lathes

$36.00 $73.66