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IEC 60118-7:1983 ed1.0
Hearing aids. Part 7: Measurement of performance characteristics of hearing aids for quality inspection for delivery purposes
27 стр.
Заменен
Электронный (pdf)Печатная копия
131.04 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры
Описание
Gives recommendations for the measurement of performance characteristics of air-conduction hearing aids of a particular model for the purpose of comparing measured properties with those specified by the manufacturer.Describes practical reproducible methods for determining the compliance of a limited number of electroacoustical and electrical characteristics of delivered hearing aids with nominal performance data supplied by the manufacturer.