Publication CODE |
Title |
IEC TR 60303:1970 (1970-01) |
IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED in AUDIOMETRY |
|
Price Excl. VAT |
Total number of pages, tables and drawings |
21.00 €
|
12. |
Description
The coupler is recommended as a simple and ready means for the exchange of specifications on audiometers and for calibration of earphones used in audiometry, even though the sound pressure developed by an earphone is not, in general, the same in the coupler as in a person's ear. Has the status of a technical report.
|
Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
BEC Approval |
1970-01-01 |
ICS-Code (International Standards Classification) |
17.140.50
, 33.160.50
|
NBN Status |
New |
|
IEC publication date |
1970-01-01 |
IEC file modification date |
2007-12-04 |
IEC last modification date |
2015-02-18 |
|