I.S. EN ISO 3381:2021
Current
The latest, up-to-date edition.
Railway applications - Acoustics - Noise measurement inside railbound vehicles (ISO 3381:2021)
Hardcopy , PDF
English
11-10-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation and calibration
5 Measurement positions
6 Stationary test
7 Testing in cabs when sounding an external warning horn
8 Constant speed test
9 Acceleration from stand-still test and deceleration to stand-still test
10 Quality of the measurements
11 Test report
Annex A (informative) Guidance on the definition and reporting of vehicle conditions
Annex B (informative) Method to characterize the impulsive character of the noise
Annex C (normative) Acoustic track characteristics
Annex D (informative) Specific environments
Annex E (informative) Quantification of measurement uncertainties according to ISO/IEC Guide 98-3
Bibliography
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