BS 2497-2:1969 PDF Download
$151.00
Specification for a reference zero for the calibration of pure-tone audiometers-Data for certain earphones used in commercial practice
standard by BSI Group, 03/10/1971
Document Format: PDF
Description
Specifies value of sound pressure level corresponding to audiometric zero for monaural earphone listening to pure tones of certain stated frequencies.
All current amendments available at time of purchase are included with the purchase of this document.
Product Details
- Published:
- 03/10/1971
- ISBN(s):
- 0580004856
- Product Code(s):
- 10044571
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
