Could I help you?
> >IEC 60118-4 Ed. 1.0 b:1981
New Reduced price! IEC 60118-4 Ed. 1.0 b:1981 View larger

IEC 60118-4 Ed. 1.0 b:1981

M00001218

New product

IEC 60118-4 Ed. 1.0 b:1981 [ Withdrawn ] Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

standard by International Electrotechnical Commission, 01/01/1981

More details

In stock

$9.03

-57%

$21.00

More info

Full Description

Applies to audio-frequency induction loop systems producing an alternating magnetic field and intended to provide an input signal for hearing aids operating with an induction pick-up coil. Specifies a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes, such as will give an adequate signal-to-noise ratio without overloading the hearing aid.

Product Details

Edition: 1.0 Published: 01/01/1981 Number of Pages: 9 File Size: 1 file , 510 KB