NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61391-1 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60050-801 | 1994-07 | International Electrotechnical Vocabulary - Chapter 801: Acoustics and electroacoustics More |
| IEC 60050-802 | 2011-01 | International Electrotechnical Vocabulary - Part 802: Ultrasonics More |
| IEC 61685 | 2001-07 | Ultrasonics - Flow measurement systems - Flow test object More |
