Your cart is currently empty!

ISO 12999:2020
ISO 12999:2020 Acoustics – Determination and application of measurement uncertainties in building acoustics – Part 2: Sound absorption
CDN $115.00
Description
This document specifies how to calculate:
– the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354;
– the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654;
– the uncertainty of the object sound absorption coefficient according to ISO 20189; and
– the uncertainty of the single number rating determined according to EN 1793‚Äë1.
Furthermore, the use of uncertainties in reporting measured or weighted sound absorption coefficients is explained.
Edition
1
Published Date
2020-06-22
Status
PUBLISHED
Pages
8
Format 
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment

Abstract
This document specifies how to calculate:
- the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354;
- the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654;
- the uncertainty of the object sound absorption coefficient according to ISO 20189; and
- the uncertainty of the single number rating determined according to EN 1793‚Äë1.
Furthermore, the use of uncertainties in reporting measured or weighted sound absorption coefficients is explained.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-
ISO 4378:2024 Plain bearings – Terms, definitions, classification and symbols – Part 2: Friction and wear
0 out of 5CDN $115.00 Add to cart -
ISO 41011:2024 Facility management – Vocabulary
0 out of 5CDN $233.00 Add to cart -
ISO 11798:2023 Information and documentation – Permanence and durability of writing, printing and copying on paper – Requirements and test methods
0 out of 5CDN $273.00 Add to cart -
ISO 55000:2024 Asset management – Vocabulary, overview and principles
0 out of 5CDN $173.00 Add to cart