
Acoustics; Pure Tone Air Conduction Threshold Audiometry For Hearing Conservation Purposes
出版:Swiss Standards

專家解讀視頻
Specifies procedures and requirements for air conduction pure tone threshold audiometry without masking that are applicable to individuals whose hearing sensitivity might by adversely affected by occupational noise exposure and presents techniques for automatic recording and manual audiometry.
DIN EN 26189 : 1992 - Identical
NFS 31 01981 : 1981 - Identical
DIN EN 26189 : 1992 - Identical
ISO 6189 : 1983 - Identical
NFS 31 081:1981 - Identical
DIN EN 26189 (1992-03) - Identical
ISO 6189:1983 - Identical