BS 4954-2:1978
$102.76
Methods for testing and rating induction units for air distribution systems – Acoustic testing and rating
Published By | Publication Date | Number of Pages |
BSI | 1978 | 22 |
This Part of this British Standard deals with methods of acoustic testing and rating of induction units, defined in Part 1 of the standard, for:
- sound power emission;
- terminal attenuation.
Methods of acoustic testing and rating of induction units for sound power emission and terminal attenuation.