BS 2497-1:1968 PDF Download
$151.00
Specification for a reference zero for the calibration of pure-tone audiometers-Data for earphone coupler combinations maintained at certain standardizing laboratories
standard by BSI Group, 09/20/1968
Document Format: PDF
Description
Specifies a standard reference zero for the scale of hearing threshold level applicable to pure-tone audiometers.
All current amendments available at time of purchase are included with the purchase of this document.
Product Details
- Published:
- 09/20/1968
- ISBN(s):
- 0580003329
- Product Code(s):
- 10044568
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
