
AUDIOMETERS - EQUIPMENT FOR SPEECH AUDIOMETRY
出版:International Electrotechnical Committee

专家解读视频
Gives requirements for audiometers of parts thereof designed to provide a means of presenting speech sounds to a subject in a standardized manner, for example for the measurement of speech recognition.
I.S. EN 60645-2:1999 - Identical
PN EN 60645-2 : 1999 - Identical
CEI EN 60645-2 : 1997 - Identical
DS EN 60645-2 : 1997 - Identical
DIN EN 60645-2 : 1997 - Identical
NEN 10645-2 : 1997 - Identical
AS IEC 60645.2-2002 (R2014) - Identical