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ÖNORM EN ISO 389-9
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)
Translate name
STANDARD published on 15.11.2009
The information about the standard:
Designation standards: ÖNORM EN ISO 389-9
Publication date standards: 15.11.2009
SKU: NS-777984
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM
The category - similar standards:
Annotation of standard text ÖNORM EN ISO 389-9 :
Diese Internationale Norm legt Anforderungen an die Parameter fest, welche während der Bestimmung von Hörschwellen von Versuchspersonen zum Zwecke der Schaffung von genormten Werten für Bezugs-Hörschwellenpegel einzustellen sind.
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