DIN - German Institute for Standardization

Attention: Your browser doesn't support javascript or you have deactivated Javascript in your browser. Please enable Javascript in your browser in order to be able to use all functions of this website.

Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF S31-127 ; NF EN ISO 7235:2009-11-01
Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

Title (German)

Akustik - Labormessungen an Schalldämpfern in Kanälen - Einfügungsdämpfung, Strömungsgeräusch und Gesamtdruckverlust

Edition 2009-11-01

Original language French

Price from 128.20 €

Order from DIN Media

Table of contents

Economic benefits

DIN SPEC

Why do standards cost money?

Get involved in standardization

Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF S31-127 ; NF EN ISO 7235:2009-11-01 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

Want to learn more?

NF S31-127 ; NF EN ISO 7235:2009-11-01
Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss