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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UNE-EN 1097-2
UNE-EN 933-1
UNE-EN 13450
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UNE 7027
ISO 15923-1
SM 3500
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ISO 15213-1
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DIN EN ISO 6579-1
ISO 22964
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SM 2510 B
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UNE-EN ISO 7027-1
ISO 15923-1
UNE-EN 25663
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AGRUPA LABORATORIO, S.L.L.
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SM 2540 F
SM 2130 B
EPA 8270
UNE-EN ISO 8467
UNE-EN ISO 5815-1
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AGÉNCIA CATALANA DE L´AIGUA
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UNE EN 27888
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UNE-EN 77059
UNE-EN 1484
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IEC 60068-2-1
IEC 60068-2-2
UNE-EN 60068-2-14
UNE-EN 60068-2-78
IEC 60068-2-6
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APAVE INSPECTION SPAIN
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UNE-EN 14584
UNE-EN 13554
UNE-EN 12819
UNE-EN 12817
UNE-EN ISO 15614-1
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CEM DI-006
CEM DI-016
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ARGANO ASESORES
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UNE-EN 14790
Railway wheel-rail interaction — roughne
BS ISO 15713:2006
UNE-EN 14385
UNE-EN 15058
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EURAMET cg-18
CEM Ed
CEM GUIA
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CEM TH-007
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ASTM F963-17
(NM_001718: c.1-c.500)
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DIN EN ISO 3175-2
ISO 17493
DIN EN ISO 17227
DIN EN ISO 6330
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ASTM C373
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UNE-EN 772-11
UNE 136029
DIN 4772:1979
DIN EN 16510-2-4
DIN EN 17539
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IEC 61400-11:2012/ AMD:2018
IEC 61400-12-2
IEC 61400-50-2
IEC 61400-12-1
IEC 61400-12-3
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