IEC 60118-1:1995+AMD1:1998 CSV
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hearing aids - Part 1: Hearing aids with induction pick-up coil input
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
09-06-2015
English - French
21-01-1999
1 Scope
2 Normative references
3 Definitions
4 Test conditions
4.1 General
4.2 Residual output level
4.3 Magnetic field source
5 Test procedure
5.1 Strength of magnetic field source
5.2 Locating the hearing aid for test
5.3 Normal operating conditions for the hearing aid
5.4 Basic frequency response
5.5 Frequency response with full-on gain control setting
5.6 Maximum sensitivity level at the reference test
frequency
5.7 Effect of gain control position on frequency response
5.8 Harmonic distortion
6 Equivalent acoustic input
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