Search
×
FR

Placeholder headline

This is just a placeholder headline

API Technical Report TDB-6 Chapter 6 – Density

$

204

BUY NOW

Placeholder headline

This is just a placeholder headline

API STD 560: Fired Heaters for General Refinery Services

$

721

BUY NOW

Placeholder headline

This is just a placeholder headline

API STD 64: Diverter Equipment Systems

$

324

BUY NOW

Placeholder headline

This is just a placeholder headline

API MPMS CH 17.10.1: Refrigerated Light Hydrocarbon Fluids – Measurement of Cargoes on Board LNG Carries

$

417

BUY NOW

Placeholder headline

This is just a placeholder headline

API RP 13B-1: Testing Water-based Drilling Fluids

$

418

BUY NOW

Placeholder headline

This is just a placeholder headline

API Technical Report TDB-12 Chapter 12 – Thermal Conductivity

$

214

BUY NOW

Placeholder headline

This is just a placeholder headline

API 16FI Frac Iron Guidelines and Requirements

$

129

BUY NOW

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

Language Detail Icon

English

Format Secure Icon

Secure PDF

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: