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