
Audiometers - Part 2: Equipment For Speech Audiometry
出版:Swiss Standards

专家解读视频
Defines requirements for audiometers or parts thereof for provision of a means of presenting speech sounds to a subject in a standard manner such as for measuring speech recognition. Type A supplies a wide range of facilities and Type B only basic facilities.
DIN EN 60645-2 (1997-04) - Identical
BS EN 60645-2:1997 - Identical
SS EN 60 645-2 Ed. 1 (1997) - Identical
UNE EN 60645-2:1999 - Identical
I.S. EN 60645-2:1999 - Identical
NF EN 60645-2:1997 - Identical
IEC 60645-2 Ed. 1.0 - Identical
NBN EN 60645-2:1997 - Identical