DIN EN 60645-1 (2002-09)被替代
Electroacoustics - Audiological Equipment - Part 1: Pure-tone Audiometers
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Specifies particular requirements for pure-tone audiometers designed for use in determining hearing threshold levels in comparison with the standard reference threshold levels by means of psycho-acoustic test methods. Coverage includes: safety requirements, warm-up time, pure tones, marking, masking sound, bone conduction, and hearing level control. Also gives detailed definitions and tables.
Supersedes DIN 45620. (07/2002) Supersedes DIN IEC 29-423-CD. (09/2002)
NBN EN 60645-1:2015 - Identical
UNE EN 60645-1:2015 - Identical
BS EN 60645-1:2015 - Identical
EN 60645-1:2015 - Identical
NF EN 60645-1:2015 - Identical
SS EN 60645-1 Ed. 3 (2015) - Identical
SN EN 60645-1:1994 - Identical
BS EN 60645-1:2001 - Identical
NBN EN 60645-1:2002 - Identical
IEC 60645-1 Ed. 2.0 - Identical
I.S. EN 60645-1:2002 - Identical
NF EN 60645-1:2002 - Identical
UNE EN 60645-1:2002 - Identical
SS EN 60645-1 Ed. 2 (2001) - Identical
