Scope
DIN 45642
Traffic Noise Immission Measurement
DIN 45642 specifies standardized methods for measuring noise immissions from road and rail traffic at receiver locations. This test quantifies sound pressure levels and frequency characteristics of traffic noise in the environment, typically at building facades or sensitive areas. Municipalities, environmental authorities, and transportation agencies require this test to assess compliance with noise limit values and evaluate environmental impact. Accreditation ensures measurements are reproducible, comparable, and defensible in regulatory and legal proceedings. Proper measurement following this standard is critical for noise action planning and protection of public health.
What it measures
- Sound pressure level (Leq, LA) from traffic sources
- Maximum sound pressure levels (Lmax, LAmax)
- Frequency spectrum analysis
- Temporal noise characteristics
- Compliance with national noise limit values
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DIN EN ISO 3744
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BS EN ISO 3744
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NF EN ISO 3744
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UNI EN ISO 3744
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UNE EN ISO 3744
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NEN EN ISO 3744
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DIN EN ISO 1996-1
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BS EN ISO 1996-1
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NF EN ISO 1996-1
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UNI EN ISO 1996-1
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UNE EN ISO 1996-1
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NEN EN ISO 1996-1
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BS ISO 488:2008, 2446:2008 and
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BS 696-2:1989 (superseded and
BS ISO 6731:2010
ISO BS EN 3727-1:2002
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Electrolytes in blood serum:
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Carl Zeiss
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DIN EN 60601-1
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IEC 80601-2-77
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Carl Zeiss IQS Deutschland
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Carl Zeiss Industrielle ≤ 3818 mm
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Parallelendmaße 50 mm
DIN EN ISO 3650:1999
Thermischer Ausdeh- Maximale Dimension
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Carl Zeiss Jena
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DIN EN 61010-1
VDE 0411-1
IEC 61010-1 : 2010
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VDE 0837
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Strichmaßstäbe 0 mm
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(cdt), Deletion an Pos 117
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CeGaT
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angeborener Chromosomensatz
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SMN1; Spinale Muskelatrophie
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Cenata
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Pränatales Screening auf
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DIN EN 12207
DIN EN 12208
DIN EN 1026
DIN EN 12210
BS EN 14351-1:2006+A2:2016
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BS EN 13286-48:2005
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ISO 5667-5
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DIN EN ISO 19458
UNI 9432
ISO 11731
Chamois Metrology
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Calibration of pressure
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common mode pressure of 3.5
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Whole genome sequencing (WGS:
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