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
1,273
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15
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CIEMAT
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OM H-3 based on ISO 9698:2019
ISO 13164-4
SM 3111
UNE-EN ISO 13160
ISO 10704
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UNE-EN ISO 5667-19
UNE-EN ISO 16665
UNE-EN 19493
SM 2510 B
SM 4500 H+
UNE 7027-1
UNE 7887
SM 4500-NO B 2
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CERECO - LABORATOIRE SUD
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DIN EN 1988-1
DIN EN ISO 17294-2
NF T 90-412
DIN EN ISO 7899-1
DIN EN ISO 10304-1
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CEREMA / DTER Méditerranée
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DIN EN 12593
DIN EN 1097-4
DIN EN 933-1
DIN EN 12607-1
DIN EN 1427
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DIN EN 12390-6
DIN EN 62196-1: 2015
DIN EN 12390-3
NF P 98-532
NF P 98-533
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DIN EN 16334
EN 50128
EN 50129
DIN EN 50215
EN 50657
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CERTOTTICA S.C.R.L.
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ISO 17234-1
ISO 4045
EPA 8270
ISO 17234-2
DIN EN ISO 17075-1
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DIN EN 13284-1
BS ISO 9096:2017
requirements of BS EN 15259:2007
Standard and BS EN 15259:2007
DIN EN ISO 16911-1
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CETA Testsysteme
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Druck *
> –0,12 bar bis
negativer und positiver
Überdruck p e > –0,01 bar bis
> 0,03 bar bis
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CEcert
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IEC 61000-4-2: 2008
EN IEC 61000-4
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
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CHEMISERVICE
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DIN EN 17892
NEN-EN 16618
(incl EN 62366-1: 2015 +A1:
BS EN 15662
ISO 12966-2
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CHIMICAMBIENTE
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DIN EN 1186-3
IEC 62321-3-1
DIN EN 13727
EPA 6020
DIN EN 12457-2
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CIRCUTOR, S.A. (Unipersonal)
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UNE-EN 61000-4-2
UNE EN 61000-4-5
UNE-EN 55016-2-1
UNE-EN 61000-4-11
UNE-EN 61000-4-8
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ID179
Pt 500
Railway brake disc acoustic emissions (E
UNE-EN 200
CLOVER TECHNOLOGIES
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ISO/IEC 15408-3
ISO/IEC 15408-1
ISO/IEC 15408-2
ISO/IEC 15408-4
ISO/IEC 15408-5
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DIN EN 1254-2
DIN EN 1254-3
DIN EN 1254-5
DIN EN 12101-10
BS EN 50291-1:2018
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COAGUMED Gerinnungszentrum
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Thrombozytenaggregationstest
Blutbild mit Vordifferenzierung
Calcium
Natriumchlorid
Kalium
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CEM EL-020
EURAMET cg-17
CEM EL
CEM ME-004
EURAMET cg-11
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UNE 118019
UNE 118012
ISO 22980
UNE 118020
UNE 118021-2
- Gleichspannung
Quellen > 0,10 V
> 1 V
> 10 V
- Gleichstromstärke
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CONSORCI DE MEDI AMBIENT I SALUT PÚBLICA DE LA GARROTXA (SIGMA) LABORATORI POLIVALENT DE LA GARROTXA
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SM 3111 B
SM 3500-K B SM 3500-Na B
SM 2330 B
SM 3113 B
UNE-EN ISO 8467
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COSMOB
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ISO 16000-3
BS ISO 9227:2022
ISO 16000-6
ISO 16000-9
DIN EN 14749
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