I.S. EN 1793-1:2017现行
Road Traffic Noise Reducing Devices - Test Method for Determining the Acoustic Performance Part 1: Intrinsic Characteristics of Sound Absorption Under Diffuse Sound Field Conditions
出版：National Standards Authority of Ireland
专家解读视频
Defines the laboratory method for measuring the sound absorption performance of road traffic noise reducing devices in reverberant conditions. Also covers the assessment of the intrinsic sound absorption performance of devices that can reasonably be assembled inside the testing facility described in EN ISO 354.
NEN EN 1793-1:2017 - Identical
NS EN 1793-1:2017 - Identical
UNI EN 1793-1:2017 - Identical
NF EN 1793-1:2017 - Identical
UNE EN 1793-1:2017 - Identical
EN 1793-1:2017 - Identical
BS EN 1793-1:2017 - Identical
