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STN EN ISO 7235 (011671)
Acoustics.Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
STANDARD published on 1.12.2009
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The information about the standard:
Designation standards: STN EN ISO 7235
Classification mark: 011671
Catalog number: 109418
Publication date standards: 1.12.2009
SKU: NS-539239
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: Slovak technical standard
Category: Technical standards STN
We recommend simillar standard:!
ČSN EN ISO 7235 (01.04.2010)The category - similar standards:
Annotation of standard text STN EN ISO 7235 (011671):
Táto norma špecifikuje postupy na určenie: vloženého útlmu potrubných tlmičov s prúdením a bez prúdenia vzduchu vo frekvenčných pásmach; hladiny akustického výkonu vlastného hluku (hluku prúdenia) vznikajúceho v potrubnom tlmiči vo frekvenčných pásmach; celkovej tlakovej straty tlmičov pri prúdení vzduchu; prenosového útlmu vzduchotechnických koncových jednotiek vo frekvenčných pásmach.
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