British & International Standards
BS 4857 : Air Distribution Systems
Noise Testing - Terminal Reheat Units

---

Standard Number BS 4857-2:1978
Title Methods for testing and rating terminal reheat units for air distribution systems. Acoustic testing and rating
Abstract Methods of testing and rating for static terminal attenuation; sound generation, upstream and downstream of the unit; radiation of sound from the casing.
Status Confirmed, Current
Publication Date 31 August 1978
Confirm Date 01 June 2007
Cross References BS 350, BS 661, BS 848:Part 2, BS 1042, BS 2475, BS 3638, BS 3763, BS 4196, BS 4197, BS 4857:Part 1, PD 5686, ISO/R 495, ISO/R 1680, ISO/R 1996, ISO 2204
Supersedes Draft 76/71260 DC
Descriptors Air treatment devices, Air-conditioning equipment, Air-distribution systems, Heat exchangers, Acoustic testing, Ratings, Noise (environmental), Sound intensity, Performance testing, Acoustic measurement, Audio frequencies, Sound sources, Graphical methods, Extrapolation, Air terminal devices, Air heaters
ICS 17.140.20
ICS 91.140.30
ICS 97.100.01


Noise Measurements

---

Site maintained by:-
Gracey & Associates 01933 624212
BSI accreditation for instrument hire and calibration
Home l Manufacturers l Applications l Hire Notes and FAQ l Instrument Search

More Standards | Glossary | Calibration Service.