Scope
ISO 3381:2013 / EN ISO 3381
Railway Interior Noise Measurement
ISO 3381 specifies standardized measurement procedures for determining sound pressure levels inside railbound passenger and freight vehicles under operating conditions. This test assesses passenger comfort, crew exposure, and compliance with occupational and environmental noise limits within train cabins and compartments. Manufacturers, operators, and occupational health consultants use these measurements to evaluate cabin acoustic quality, design noise control improvements, and ensure regulatory compliance. Accreditation guarantees consistent, defensible interior noise assessments that support both passenger safety and worker health protection.
What it measures
- A-weighted sound pressure level inside vehicle (dB(A))
- Noise levels at driver/operator positions
- Frequency analysis of interior noise (1/3 octave bands)
- Sound exposure level during typical operation
- Noise at passenger seating areas
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DIN EN ISO 3095
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BS EN ISO 3095
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NF EN ISO 3095
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UNI EN ISO 3095
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UNE EN ISO 3095
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NEN EN ISO 3095
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DIN EN ISO 14837-1
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BS EN ISO 14837-1
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NF EN ISO 14837-1
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UNI EN ISO 14837-1
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UNE EN ISO 14837-1
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NEN EN ISO 14837-1
1,516
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17
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EURAMET CG-2
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UNE-EN ISO 2178
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FUNDACIÓN IDONIAL
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ASTM E 415
UNE-EN ISO 15350
ASTM E 1086
UNE-EN 10276-2
UNE-EN ISO 15351
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ISO 6721-1
ISO 11357-5
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ISO 11357-1
ASTM E2602
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UNE-EN 772-20
UNE-EN 772-13
UNE-EN 772-1
UNE-EN 772-21
UNE-EN 772-3
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IDIADA AUTOMOTIVE TECHNOLOGY
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DIN EN 1385
EN 17092-1:2020
DIN EN ISO 5077
EN 1317-1
DIN EN ISO 13688
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DIN EN 61347-2-11
IEC 61347-2-11
IEC 61000-4-11: 2004
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ISO 7637-2
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INERCO INSPECCIÓN Y CONTROL
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UNE-EN 15259
UNE-EN 13284-1
UNE 77225
EPA 8
UNE 77227
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UNE-EN 13284-1
EPA 8
UNE-EN 13211
UNE-EN 14385
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UNE-EN 12667
UNE-EN 14509
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UNE-EN 826
UNE-EN 1607
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ISO 16063-21
EN 55016-1-6
CEM EL-025
UNE-EN ISO 376
UNE-EN ISO 7500-1
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UNE 73350-1
UNE 73311-5
ISO 11665-4
UNE 31010
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IEC 61000-4-13: 2002
DIN EN 50121-3-2
IEC 61000-3-2: 2014
DIN EN 60601-1-2
IEC 61000-3-3
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DIN EN 1656
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IEC 60127-6
DIN EN 13727
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CEM ME-003
EURAMET cg-17
CEM ME-010
Ground-borne noise and vibration from ra
UNE-EN ISO 16911-1
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ISO/IEC 18045
ISO/IEC 15408
CEM ISO
ISO/IEC 24759
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LABAQUA, S.A. (Unipersonal)
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SM 2540
UNE-EN ISO 8467
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UNE-EN ISO 10523
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AOAC 995.11
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AOAC 985.35
UNE-EN 17298
UNE 77324
ISO 23318
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ISO 10390
UNE 77308
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EURAMET cg-18
UNE 82503
CEM DI-020
CEM DI-005
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DIN EN 60335-2-51
DIN EN 60335-2-43
IEC 62054-21
IEC 60335-2-51
DIN EN 60335-2-99
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UNE-EN 124-5
UNE-EN ISO 945-1
UNE-EN 124-1
UNE-EN 124
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CEM DI-008
EURAMET CG-10
CEM DI-005
EURAMET CG-6
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