Need help?

EN ISO 7235:2009 Standard

wave
Save  

  Keywords:

#bands #frequency #sound #airflow #loss

  Directive

Machinery (MD) Directive (2006/42/EC)

  Last Official Journal reference

Monday 7th of September 2026

  Description:

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)

  Purpose

This International Standard specifies methods for determining - the insertion loss, in frequency bands, of ducted silencers with and without airflow, - the sound power level, in frequency bands, of the flow noise (or regenerated sound) generated by ducted silencers, - the total pressure loss of silencers with airflow, and the transmission loss, in frequency bands, of air-terminal unit

  Publication

Friday 18th of December 2009

  Cessation

This standard will be withdrawn on 2027-01-20

  Related Standards

EN ISO 19085-15:2025

Machinery (MD) Directive (2006/42/EC)

Woodworking machines - Safety - Part 15: Presses (ISO 19085-15:2025)

EN ISO 11546-1:2009

Machinery (MD) Directive (2006/42/EC)

Acoustics - Determination of sound insulation performances of enclosures - Part 1: Measurements under laboratory conditions (for d...

EN ISO 15744:2008

Machinery (MD) Directive (2006/42/EC)

Hand-held non-electric power tools - Noise measurement code - Engineering method (grade 2) (ISO 15744:2002)

EN 12001:2012

Machinery (MD) Directive (2006/42/EC)

Conveying, spraying and placing machines for concrete and mortar - Safety requirements

EN ISO 11553-3:2013

Machinery (MD) Directive (2006/42/EC)

Safety of machinery - Laser processing machines - Part 3: Noise reduction and noise measurement methods for laser processing machi...

EN ISO 2151:2008

Machinery (MD) Directive (2006/42/EC)

Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)

  Stay up to date

CELAB is Notified Body No.2037 for the EMC Directive and Italian office of a Notified Body for the RED Directive.

CELAB performs voluntary inspection activities on technical construction files to check their contents.

CELAB can accomplish all the required tests in order to affix the CE-marking related to EMC, LVD, RED, MDD, machines and many others.

CLICK HERE TO GET TESTS AND INFO ON THE EN ISO 7235:2009 STANDARD

  ACCESS

Search for a standard
GO

Register

Already a member?
Login

  OTHER APPLICATIONS

If you are interested in DO160 tests, you can give a try to our other free of charge software:
CE-Marking assistant, Version: 1.3.0