NBN EN ISO 389-5:2007现行
Acoustics - Reference Zero For The Calibration Of Audiometric Equipment - Part 5: Reference Equivalent Threshold Sound Pressure Levels For Pure Tones In The Frequency Range 8 Khz To 16 Khz
出版：Belgian Standards
专家解读视频
Describes reference equivalent threshold sound pressure levels (RETSPLs) of pure tones in the frequency range from 8 kHz to 16 kHz applicable to the calibration of air conduction audiometers for specific earphones.
NF EN ISO 389-5:2008 - Identical
NEN EN ISO 389-5:2006 - Identical
UNE EN ISO 389-5:2007 - Identical
NS EN ISO 389-5 Ed. 2 (2007) - Identical
I.S. EN ISO 389-5:2006 - Identical
UNI EN ISO 389-5:2007 - Identical
NF EN ISO 389-5:2005 - Identical
ISO 389-5:2006 - Identical
DIN EN ISO 389-5 (2007-05) - Identical
ONORM EN ISO 389-5:2007 - Identical
SS EN ISO 389-5 Ed. 2 (2006) - Identical
SN EN ISO 389-5:2007 - Identical
BS EN ISO 389-5:2006 - Identical
