NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 60645-1 [CURRENT] references following documents:
Document number | Edition | Title |
---|---|---|
DIN IEC 60268-17 | 1992-08 | Sound system equipment; standard volume indicators; identical with IEC 60268-17:1990 More |
IEC 60645-1 | 2017-03 | Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry More |
ISO 389-9 | 2009-05 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels More |
ISO/IEC Guide 98-3 | 2008-09 | Uncertainty of measurement - Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) More |