
Audiometers - Part 3: Auditory Test Signals Of Short Duration For Audiometric And Neuro-otological Purposes
出版:Nederlands Normalisatie Instituut

專家解讀視頻
States the 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 by means of psycho-acoustic test methods.
Supersedes NEN 10645. (07/2009)
IEC 60645-3 Ed. 2.0 - Identical