This part of IEC 60645 specifies general requirements for audiometers and particular requirements for pure-tone audiometers designed for use in determining hearing threshold levels, in comparison with standard reference threshold levels by means of psychoacoustic test methods.
IEC 60645-1 Ed. 2.0 b:2001 History
IEC 60645-1 Ed. 4.0 b:2017
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IEC 60645-1 Ed. 2.0 b:2001
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