Description
Specifies a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes, in order to give an adequate signal-to-noise ratio without overloading the hearing aid. Technically identical with IEC Publication 118-4.
Product Details
- Edition:
- 1st
- Published:
- 01/01/1987
- ISBN(s):
- 0726245011
- Number of Pages:
- 2
- File Size:
- 1 file , 37 KB
- Product Code(s):
- 10164493, 10164514, 10164571
- Note:
- This product is unavailable in Ukraine, Russia, Belarus