ISO 140-9:1985
Withdrawn
View Superseded by
Acoustics — Measurements of sound insulation in buildings and of building elements — Part 9: Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
Hardcopy , PDF
English, French
02-14-1985
04-03-2019
Specifies a method for measuring a quantity called the suspended ceiling normalized level difference when the sound transmitted by paths other than the required paths is negligible.
| Committee |
ISO/TC 43/SC 2
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| DIN EN 20140-9:1993-12 | Identical |
| DIN 52210-2:1984-08 | Similar to |
| NF EN 20140-9 : 1994 | Identical |
| NEN ISO 140-9 : 1994 | Identical |
| NS ISO 140-9 : 1ED 1993 | Identical |
| I.S. EN 20140-9:1994 | Identical |
| PN EN 20140-9 : 1998 | Identical |
| AS/NZS 2499:2000 | Identical |
| BS EN 20140-9:1994 | Identical |
| BS 2750-9:1987 | Identical |
| EN 20140-9 : 1993 | Identical |
| UNE-EN 20140-9:1995 | Identical |
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