NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61329 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60651 | 1979 | Sound level meters More |
| IEC 60651 AMD 1 | 1993-09 | Sound level meters; amendment 1 More |
| IEC 61094-1 | 1992-05 | Measurement microphones; part 1: specifications for laboratory standard microphones More |
| IEC 61094-4 | 1995-11 | Measurement microphones - Part 4: Specifications for working standard microphones More |