BS 4857-2:1978
$142.49
Methods for testing and rating terminal reheat units for air distribution systems – Acoustic testing and rating
Published By | Publication Date | Number of Pages |
BSI | 1978 | 26 |
This Part of this British Standard deals with methods of acoustic testing and rating of terminal reheat units, defined in Part 1 of the standard, for:
- static terminal attenuation;
- sound generation, upstream and downstream of the unit;
- radiation of sound from the casing.
Methods of testing and rating for static terminal attenuation; sound generation, upstream and downstream of the unit; radiation of sound from the casing.