Scope
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
1,670
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18
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UNE 77061
UNE-EN ISO 15681-2
SM 4500-NH3 F
UNE-EN ISO 8467
UNE-EN ISO 6878
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BS EN ISO 14362-1
BS EN ISO 14362-3
UNE-EN ISO 14362-1
UNE-EN ISO 14362-3
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EXOLUM CORPORATION
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UNE-EN ISO 20884
UNE-EN ISO 12185
UNE-EN ISO 12156-1
ASTM D 93
ASTM D 2622
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CEM DI-013
UNE 17-710-78
FUNDACION TEKNIKER
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EURAMET CG-2
CEM DI-014
CEM DI-037
UNE-EN ISO 2178
UNE-EN ISO 16809
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UNE-EN 2557
UNE-EN 2002-001
ISO 6508-1
UNE-EN 2559
ASTM B557
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UNE-EN ISO 6507-1
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UNE-EN ISO 15350
ASTM E 1086
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ISO 11357-1
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UNE-EN 772-13
UNE-EN 772-1
UNE-EN 772-21
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3 mV U < 330 mV 0,33 V U < 3,3 V 3,3
0 mV U < 200 mV 200 mV U < 2 V 2 V
0 mV U 100 mV 0,1 V < U 1 V 1 V <
5 mV U 30 V
10 mV U < 33 mV 50 Hz f 1 kHz 1 kH
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GIKE
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UNE-EN 12390-2
UNE-EN 12350-1
UNE-EN 1744-1
UNE-EN 933-1
UNE-EN 933-8
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ISO 3795
UNE-EN ISO 105
UNE-EN ISO 13934-1
UNE-EN 12127
UNE-EN ISO 6507-1
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9,8 L ≤ V ≤ 10,2 L (25 L/h ≤ Q ≤ 500 L/h
98 L ≤ V ≤ 104 L (250 L/h ≤ Q ≤ 5000 L/h
970 L ≤ V ≤ 1005 L (2500 L/h ≤ Q ≤ 20000
1305 L ≤ V ≤ 1350 L (5000 L/h ≤ Q ≤ 8000
2660 L ≤ V ≤ 2700 L (5000 L/h ≤ Q ≤ 1000
UNE-EN ISO 16283-1
UNE-EN ISO 16283-2
UNE-EN ISO 16283-3
UNE-EN ISO 3382-2
ISO 16063-21
UNE-EN 60942
UNE-EN 61260
UNE-EN 61672-3
UNE-EN 60804
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IDIADA AUTOMOTIVE TECHNOLOGY
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DIN EN 1385
EN 17092-1:2020
DIN EN ISO 5077
EN 1317-1
DIN EN ISO 13688
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UNE-EN 60942
UNE-EN 61672-3
UNE-EN 60804
UNE-EN 60651
UNE-EN 61252
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INDUSTRIAL LAB R. REIG
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SM 2120
SM 4500-Cl G
UNE EN 27888
SM 4500-H+ B
SM 2130
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INERCO INSPECCIÓN Y CONTROL
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UNE-EN 15259
UNE-EN 13284-1
UNE 77225
EPA 8
UNE 77227
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UNE-EN 60404-14
0 mT ≤ B ≤ 75,7 mT (196 ± 3) mT (990 ± 4
3 mT ≤ B ≤ 300 mT 300 mT ≤ B ≤ 1600 mT
UNE-EN ISO 16283-2
UNE-EN ISO 140-7
UNE-EN ISO 3382-2
UNE-EN ISO 16283-1
UNE-EN ISO 140-4
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