1Key Takeaways
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…
2Scope / 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 1793‑1. Furthermore, the use of uncertainties in reporting measured or weighted sound absorption coefficients is explained.
6Frequently Asked Questions
What is EVS-EN ISO 12999-2:2020?
EVS-EN ISO 12999-2:2020 — Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 2: Sound absorption (ISO 12999-2:2020) is an international standard developed by Estonian Centre for Standardisation. 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...
What does EVS-EN ISO 12999-2:2020 cover?
This standard covers: 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...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
How do I purchase EVS-EN ISO 12999-2:2020?
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