NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 60645-1 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| 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 |
