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
🇩🇪 DIN EN ISO 3095 🇬🇧 BS EN ISO 3095 🇫🇷 NF EN ISO 3095 🇮🇹 UNI EN ISO 3095 🇪🇸 UNE EN ISO 3095 🇳🇱 NEN EN ISO 3095 🇩🇪 DIN EN ISO 14837-1 🇬🇧 BS EN ISO 14837-1 🇫🇷 NF EN ISO 14837-1 🇮🇹 UNI EN ISO 14837-1 🇪🇸 UNE EN ISO 14837-1 🇳🇱 NEN EN ISO 14837-1
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DAkkS D-ML-17480-01-01 Gelsenkirchen, DE
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DIN EN 13141-4 DIN EN 13141-6 DIN EN 13141-7 DIN EN 13141-8 DIN EN 13141-11 + 3 more
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Glykohämoglobin A1C (HbA1c) Basophile Granulozyten Eosinophile Granulozyten Erythrozytenverteilungsbreite (RDW) + 3 more
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Blutzellen Basophile Granulozyten Basophile Granulozyten, Eosinophile Gran Eosinophile Granulozyten, Erythrozyten, Basophile Leukozyten, absolut + 3 more
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DIN EN ISO 1798 DIN EN ISO 1856 Myopathie, Nemaline (TyP1, 3-10: DIN EN ISO 14125 DIN EN ISO 179-1 + 3 more
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ISO 16750-3 DIN EN 60068-2-53 DIN EN 60068-2-64 ISO 20653 ISO 16750-4 + 3 more
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DAkkS D-K-19502-01-01 Furtwangen, DE
Frequenz - Gleichspannung Spannungsquellen 5 µV 1 mV Messgeräte > 10 mV + 3 more
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DIN ISO 48-4 ISO 21527-1 ISO 21527-2 DIN EN ISO 527-3 rs2066844 + 3 more
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DIN EN ISO 5667-1 (A 4) DIN 38402-A 11 DIN 38402-A 12 DIN ISO 5667-5 (A 14) DIN EN ISO 5667-6 (A 15) + 3 more
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DAkkS D-ML-13133-01-01 Weißwasser, DE
Abetalipoproteinämie (MTTP) Achondroplasie (FGFR3) Acoeruloplasminämie/Hypocoerulo plasminämie (CP) ACTH-unabhängige makronoduläre + 3 more
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DIN 32753-1
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DAkkS D-K-15088-01-00 Köln, DE
flexiblen Akkreditierungsbereich. Beschleunigung * 10 m/s Beschleunigungsaufnehmer Beschleunigungsaufnehmer 10 m/s digital (DTI) + 3 more
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DAkkS D-ML-21105-01-01 Penzberg, DE
(somatische genetische ACVR1B, AKT1, AKT2, AKT3, ALOX12B, AMER1 GATA3, GATA4, GATA6, GID4, GNA11,GNA13, CHEK2, CHIC2, CHN1, CIC, CIITA IRF8, IRS2, ITK, JAK1, JAK2, JAK3, JARID + 3 more
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DAkkS D-PL-21039-04-04 Erlangen, DE
DIN EN ISO 10304-1 DIN EN ISO 11885 DIN EN ISO 15350 DIN EN ISO 15351 DIN EN ISO 17294-2 + 3 more
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DAkkS D-K-21039-01-00 Erlangen, DE
- Gleichspannung Messgeräte 0,33 V bis < 3,3 V 330 V Quellen > 0,1 V + 3 more
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DAkkS D-K-17452-01-00 Schalkau, DE
Kraft (WPM) 30 N Vibration measuring instruments — test m maschinen nach DIN Kraft * 10 N Acoustics — tonality assessment (DIN 456 + 3 more
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DIN ISO 16000-3 DIN EN ISO 12460-3 DIN EN ISO 12460-4 DIN EN ISO 12460-5 100 HV 120 + 3 more
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DAkkS D-K-11140-02-00 Freiburg, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Kurzschlussstrom Solarmodule 16 mA Gleichstrom- und Nieder- 10 mV + 3 more
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DAkkS D-K-15109-01-01 Titisee-Neustadt, DE
Druck * Absolutdruck Pabs 1 bar; 3 bar Negativer und positiver Überdruck + 3 more
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DIN EN 12579 DIN 19698-1 DIN 19698-2 DIN 51750-2 DIN ISO 11277 + 3 more
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DIN EN 50173-1 DIN EN 50173-2 DIN EN 50173-3 DIN EN 50173-4 DIN EN 50173-5 + 3 more
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DIN EN 12469 BS 5726-1 DIN 1946-4 DIN EN 12599 DIN 12980 + 1 more
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DIN 51757 DIN EN ISO 12185 DIN EN ISO 3405 DIN EN 13016-1 DIN EN 237 + 3 more
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DAkkS D-K-11243-01-00 Stade, DE
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DAkkS D-K-20313-01-01 Nürnberg, DE
- Gleichspannung Messgeräte > 0,22 V > 2,2 V > 11 V > 22 V + 3 more
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Industries

Railway rolling stock manufacturers Railway operators and fleet managers Occupational health and safety consultants Acoustic and noise control engineering Passenger transport and commuter rail

Related Standards

  • EN ISO 3095 Acoustics — Measurement of noise emitted by railbound vehicles
  • ISO 14837-1 Vibration from rail systems — Part 1: Fundamentals and measurement of vibration in free-field
  • EN 50160 Voltage characteristics of electricity supplied by public electricity networks

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