ISO 9612:2009
Occupational Noise Exposure Measurement
This standard specifies methods for measuring and assessing noise exposure of workers in occupational environments to determine compliance with exposure limits and identify hearing protection needs. The measurement protocols account for temporal variations in noise and worker movement to characterize daily noise exposure levels. Results are critical for occupational health and safety compliance, hearing loss prevention programs, and workplace risk assessment. Accredited laboratories ensure measurement uncertainty, calibration standards, and data interpretation meet regulatory requirements for legal and health-safety defensibility.
What it measures
- Equivalent continuous A-weighted sound pressure level (Leq,8h)
- Peak sound pressure levels and impulsive noise
- Daily noise exposure level (LEX,8h)
- Frequency-weighted noise exposure
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DIN EN ISO 4871
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BS EN ISO 4871
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NF EN ISO 4871
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UNI EN ISO 4871
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UNE EN ISO 4871
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NEN EN ISO 4871
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DIN EN ISO 11201
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BS EN ISO 11201
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NF EN ISO 11201
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UNI EN ISO 11201
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UNE EN ISO 11201
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NEN EN ISO 11201
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DIN EN 947
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DIN EN 1279-2
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DIN EN 12094-10
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CTC
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DIN EN 27888
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NF X 31-615 (Uniquement prélèvements
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DIN EN ISO 9963-1
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Oligosaccharide
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DC VOLTAGE
DC Resistance
DC CURRENT
AC Current Generation
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Campbell Associates
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Sound Calibrators
FREQUENCY
Microphones
based:
½” & ¼” microphones @ 250 Hz
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BS ISO 488:2008, 2446:2008 and
on BS 4401:Part 3:1970(1986)
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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(Chlamydia pneumoniae, Mycoplasma
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Carl Zeiss
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DIN EN 60601-1
IEC 60601-1
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IEC 60601-1-1
IEC 80601-2-77
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Carl Zeiss IQS Deutschland
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Carl Zeiss Industrielle ≤ 3818 mm
Oberkochen, D
1) In den CMC sind die erweiterten Messu
Carl Zeiss Industrielle ≤ 20 m
Auswertesoftware Messvolumen mit
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Parallelendmaße 50 mm
DIN EN ISO 3650:1999
Thermischer Ausdeh- Maximale Dimension
Bandbreite
Höhe: 80 mm
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Carl Zeiss Jena
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DIN EN 61010-1
VDE 0411-1
IEC 61010-1 : 2010
DIN EN 60825-1
VDE 0837
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Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
Parallelendmaße * 40 mm
Parallelendmaße * ≥ 100 mm
Strichmaßstäbe 0 mm
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Cavendish Laboratories
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(cdt), Deletion an Pos 117
(HSG 248) – 2021
(PCM) based on HSG 248
BS 6068-4.12:1998 (withdrawn)
CeGaT
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angeborener Chromosomensatz
(Imbalancen im Genom, (Duplikationen/Del
SNRPN-Region 15q11-13 UPD15
(UBE3A)
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
DIN EN ISO 12625-6
DIN EN ISO 11664-5
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DIN EN ISO 11646
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ISO 5667-5
DIN EN 62631-1
DIN EN ISO 19458
UNI 9432
ISO 11731
Chamois Metrology
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Calibration of pressure
Gas pressure (gauge)
Gas Pressure (Differential)
common mode pressure of 3.5
Hydraulic pressure (gauge)
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Whole genome sequencing (WGS:
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