IEC 60645-1 : 4.0现行
ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 1: EQUIPMENT FOR PURE-TONE AND SPEECH AUDIOMETRY
出版：International Electrotechnical Committee
专家解读视频
Describes general requirements for audiometers designed for use in determining hearing threshold levels, relative to standard reference threshold levels established by means of psychoacoustic test methods, and those designed to perform psychoacoustic tests using speech material.
DS EN 60645-1 : 2017 - Identical
BS EN 60645-1 : 2015 - Identical
CEI EN 60645-1 : 2018 - Identical
EN 60645-1 : 2017 - Identical
NEN EN IEC 60645-1 : 2017 - Identical
DIN EN 60645-1 : 2015 - Identical
NEN EN IEC 60645-1 : 2017 - Identical
BS EN 60645-1 : 2017 - Identical
CEI EN 60645-1 : 2016 - Identical
PN EN 60645-1 : 2017 - Identical
NEN 10645-1 : 1994 - Identical
DS EN 60645-1 : 2017 - Identical
CEI 29-3 : 1983 COR 1983 - Identical
