Scope
ISO 1999:2013
Noise-Induced Hearing Loss Estimation
This test method provides a standardized approach to estimate the risk of noise-induced permanent threshold shift (NIPTS) and hearing impairment resulting from occupational noise exposure. It combines noise exposure levels with audiometric data and population statistics to predict hearing loss in exposed workers. The assessment is critical for occupational health programs, regulatory compliance, and prevention of occupational deafness. Industries with significant noise exposure use this method to evaluate risks and implement hearing conservation programs. ISO 17025 accreditation ensures accurate risk assessment and validates compliance with occupational health directives.
What it measures
- Noise-induced permanent threshold shift (NIPTS)
- Occupational noise exposure levels and duration
- Risk of hearing impairment in exposed populations
- Speech discrimination loss and communication impact
- Audiometric hearing threshold changes
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DIN EN ISO 3382-2
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BS EN ISO 3382-2
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NF EN ISO 3382-2
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UNI EN ISO 3382-2
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UNE EN ISO 3382-2
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NEN EN ISO 3382-2
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DIN EN ISO 7029
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BS EN ISO 7029
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NF EN ISO 7029
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UNI EN ISO 7029
🇪🇸
UNE EN ISO 7029
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NEN EN ISO 7029
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Obligat anaerobe Bakterien
Grampositive aerobe und
anaerobe Kokken
Enterokokken
Mikrokokken
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automatische Zelldifferenzierung
Erythrozyten
Leukozyten
Retikulozyten
Thrombozyten
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Melutec Metrology
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Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
Parallelendmaße
> 100 mm
Messschieber für Außen-, 0 mm
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Meridian Technical Services
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BS EN 14876:2007/Internal proceduresDiss
BS EN ISO 18119:2018+A1:2021
BS EN ISO 22434:2011
BS EN ISO 10460:2018
BS EN ISO 13769:2018
tungsten carbide)
Plain ring gauges (taper)
Straight edges
LENGTH (cont’d)
Squares
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Metrolution
Active
Metrosoft CM, Software einer Raumdiagona
AG, Chur, CH ≤ 3333 mm
Oberkochen, D
GmbH, Wetzlar, D
AG, Chur, CH ≤ 7500 mm
Mettler-Toledo
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Kolbenhubpipetten
Manuell betätigte
spritzen
Mehrfachdispenser
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MeßTechnikNord
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- Gleichspannung
Messverstärker > 120 mV
> 1 V
> 12 V
> 1000 V
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Micro Precision (Midlands)
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LENGTH
Caliper
Depth BS 6468: 2008, 0 to 300
Depth
Dial gauges and dial
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Microtech Gefell
Active
Akustische Messgrößen
Messmikrofone nach
(DIN EN 61094-4:1996)
Schalldruckpegel (Druck)
Empfangsübertragungsmaß
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Microtech Services (Wessex)
Active
ISO 7251
# = 100 A
ISO 6888-3
1) A:2b based on ISO 4833-2:2013 Amd 1:2
2) A:6c based on ISO 21528-1:2017 by mos
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Mimete Srl Unipersonale
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ASTM B212-21
ASTM E1019-24
ASTM B527-24
BS EN ISO 3923-1
ASTM B417-22
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ETSI EN 319 412
ETSI EN 319 401
ETSI EN 319 411-2
ETSI EN 319 411-1
Ministry of Defence
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Specific Values
Specific values (continued)
ELECTRICAL
Other Values
AC CURRENT
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Mitutoyo Deutschland
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Parallelendmaße 0,5 mm
DIN EN ISO 3650:1999
Parallelendmaße
> 10 mm
Parallelendmaße > 100 mm
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Mobiler Kalibrierdienst Fini
Active
Gleichspannung 3 mV
Messgeräte 10 mV
> 100 mV
> 220 mV
> 11 V
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IEC 61000-4-7
IEC 61000-4-15
IEC 61000-4-30
IEC 61400-21
IEC 61400-21-1
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Temperatur 50 °C
Railway brake handbooks (UIC 547)
1) In den CMC sind die erweiterten Messu
Moorcroft Controls
Active
DC CURRENT
Gas pressure (gauge)
ELECTRICAL
DC VOLTAGE
Measurement
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IEC 61000-4-2: 2008
VDE 0847-4-2
IEC 61000-4-3: 2006
VDE 0847-4-3
IEC 61000-4-4: 2012
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