DIN EN 60118-7-2006 电声学.助听器.第7部分:助听器生产、供货和交货质量保证的性能特性测试
Electroacoustics - Hearing aids - Part 7: Measurement of performance characteristics of hearing aids for production, supply and delivery quality assurance purposes (IEC 60118-7:2005); German version EN 60118-7:2005
This part of IEC 60118 gives recommendations for the purposes of the measurement of the performance characteristics of air-conduction hearing aids of a particular model for production, supply and delivery assurance purposes. The manufacturer usually assigns nominal values.This standard does not relate to mechanical or environmental tests. It should not be used as the basis for the exchange of information about hearing aid characteristics in general, nor is it intended to be used as abasis for fitting hearing aids to individuals.