Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Sale! 
View larger
View larger ISO 11691:1995
New product
ISO 11691:1995 Acoustics -- Measurement of insertion loss of ducted silencers without flow -- Laboratory survey method
standard by International Organization for Standardization, 08/01/1995
More info
Full Description
Specifies a laboratory substitution method to determine the insertion loss of ducted circular and rectangular silencers without flow, as well as other duct elements for use in ventilating and air-conditioning systems.