Customer Support: 131 242

  • Shopping Cart
    There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert
Celebrate World Standards Day. Save 10% with code WSD2026 until 31 Oct. Save now

BS 848-2.4(2004) : 2004

Current

Current

The latest, up-to-date edition.

INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 4: SOUND INTENSITY METHOD

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2006

$499.59
Including GST where applicable
Summarise this standard

Foreword
Introduction
1 Scope
2 Normative references
3 Instruments and methods of test
4 Equipment and test set-ups
5 Test method
6 Calculations
7 Report and results
Annex A (normative) Indicators for use in case of difficulty
Annex B (normative) Alternative procedure for testing
        of large fan equipment
Annex C (normative) Radiation of sound by fan casing
Bibliography

Applicable to industrial fans as defined in ISO 5801 and ISO 13349. Determines sound power by using sound intensity measurements on a measurement surface which encloses the sound source. It provides guidelines on the acoustical environment, ambient noise, measurement surface, and number of measurements.

Committee
MCE/17
DevelopmentNote
Also numbered as BS ISO 13347-4 Together with BS ISO 13347-1, BS ISO 13347-2, BS ISO 13447-3, BS 848-2.1(2004), BS 848-2.2(2004) and BS 848-2.3(2004), it supersedes BS 848-2(1985) (08/2004) Supersedes 02/705656 DC. (09/2004)
DocumentType
Standard
Pages
34
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 13347-4:2004 Identical

$499.59
Including GST where applicable