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IEC 60645-1:1992 ed1.0
Audiometers - Part 1: Pure-tone audiometers
53 стр.
Заменен
Печатная копияЭлектронный (pdf)
278.46 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры
Описание
Specifies general requirements for audiometers and particular requirements for pure-tone audiometers designed for use in determining hearing threshold levels in comparison with the standard reference threshold level by means of psycho-acoustic test methods.The contents of the corrigendum of February 1993 have been included in this copy.