ISO 9614-2:2023

Sound Power — Intensity Method (Scanning)

This scanning-based intensity method continuously measures sound intensity as the probe moves across a measurement surface, enabling rapid acoustic mapping and source characterization without requiring discrete point measurements. The scanning approach is faster and provides superior spatial resolution for identifying noise sources and evaluating acoustic modifications. It works effectively in non-ideal acoustic environments including semi-reverberant or open spaces. Accreditation guarantees proper probe calibration, scanning patterns, and data integration methods meet international standards.

What it measures

  • Sound intensity distribution across measurement surface
  • Sound power level (Lw) by continuous surface integration
  • Frequency-weighted and A-weighted acoustic power
  • Acoustic source maps and noise radiation patterns
🇩🇪 DIN EN ISO 9614-1 🇬🇧 BS EN ISO 9614-1 🇫🇷 NF EN ISO 9614-1 🇮🇹 UNI EN ISO 9614-1 🇪🇸 UNE EN ISO 9614-1 🇳🇱 NEN EN ISO 9614-1 🇩🇪 DIN EN ISO 3746 🇬🇧 BS EN ISO 3746 🇫🇷 NF EN ISO 3746 🇮🇹 UNI EN ISO 3746 🇪🇸 UNE EN ISO 3746 🇳🇱 NEN EN ISO 3746
1,868 Accredited labs
20 Countries

Showing 126–150 of 254 labs

COFRAC 1-7141 Parcay Meslay, FR
DIN EN ISO 17294-2 DIN EN ISO 14403-2 NF EN ISO 7887 – NF T 90-412 DIN EN ISO 7899-1 + 3 more
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COFRAC 1-7142 Saint Ave, FR
NF V08-106 DIN EN ISO 17294-2 DIN EN ISO 21528-2 ISO 19343 NF T90-105-2 + 3 more
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COFRAC 1-7322 Ostwald Cedex, FR
(BS EN ISO 6892-1: 2019) ASTM E8/E 8M DIN EN 10002-1 ASTM E8 et E8M DIN EN 2002-001 + 3 more
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COFRAC 1-7401 Heudebouville, FR
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
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COFRAC 1-1296 Heudebouville, FR
DIN EN ISO 1833-6 DIN EN ISO 1833-2 DIN EN ISO 1833-7 DIN EN ISO 1833-1 DIN EN ISO 1833-20 + 3 more
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COFRAC 1-6304 Petit Couronne, FR
NF X43-050 (parties utiles de ISO 22262-1 NF X 43-050 NF X 43-269 - Annexe K
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COFRAC 1-0101 Ecully Cedex, FR
DIN EN ISO 14419 DIN EN ISO 14045 DIN EN ISO 3071 DIN EN ISO 13934-1 NF EN 14325 (2004) – norme annulée + 3 more
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COFRAC 1-5970 Saint-Gregoire, FR
ISO 22262-1 NF X 43-050 NF X43-050 (parties utiles de la
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COFRAC 1-6090 Brest, FR
ISO 22262-1 NF X 43-050 NF X 43-269 – NF X43-050 (parties
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COFRAC 1-6585 Sainte Marie, FR
ISO 22262-1 NF X 43-050 NF X 43-269 – NF X43-050 (parties utiles de
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COFRAC 1-5971 Villeneuve D'Ascq, FR
NF X 43-269 DIN EN ISO 16017-1 NF X 43-007 NF X 46-032 NF X 43-298 + 3 more
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COFRAC 1-6091 Metz, FR
NF X 43-269 DIN EN ISO 16017-1 NF X 43-007 NF X 43-298 NF X43-050 (parties utiles de + 3 more
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COFRAC 1-1029 Meyreuil, FR
NF X 43-269 DIN EN ISO 16017-1 NF X 43-298 NF X 46-032 ISO 22262-1 + 3 more
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COFRAC 1-5968 Merignac, FR
NF X 43-269 DIN EN ISO 16017-1 NF X43-269 – Annexe NF X 43-007 NF X 43-298 + 3 more
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COFRAC 1-1761 Saint Etienne, FR
NF X 43-269 NF X 43-007 NF X 46-032 NF X 43-014 NF X 43-259 + 3 more
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COFRAC 1-5967 Saint-Gregoire Cedex, FR
NF X 43-269 EN 13087-2 DIN EN ISO 16017-1 NF X 43-007 DIN EN ISO 16017-2 + 3 more
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KALITEO

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COFRAC 1-5835 Gasny, FR
DIN EN 27888 NF X 31-615 (Uniquement DIN EN ISO 10523
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L3A LAB

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COFRAC 1-0978 Malakoff, FR
NF X 43-050 NF X 43-269 - Annexe K NF X43-050 (parties utiles de
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LAB-EXPERT

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COFRAC 1-6752 Ivry Sur Seine, FR
NF X43-050 (parties utiles de la NF X 43-050 NF ISO 22262-1 (parties utiles
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COFRAC 1-7014 Plouzane, FR
DIN EN 13346 CEN / TS 14235 NF T 90-412 DIN EN ISO 7899-1 DIN EN 12880 + 3 more
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COFRAC 1-7015 Ploufragan, FR
NF U47-210 NF U47-036-1 NF U47-108 NF U47-100 NF U47-107 + 3 more
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COFRAC 1-1828 Quimper Cedex, FR
DIN EN ISO 21528-1 DIN EN ISO 21528-2 DIN EN ISO 10304-1 DIN EN ISO 6888-2 NF V08-054 + 3 more
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COFRAC 1-6099 Strasbourg Cedex, FR
ISO 5815-1 DIN ISO 15923-1 EN 13087-2 DIN EN ISO 7887 DIN EN ISO 13395 + 3 more
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COFRAC 1-1951 Rennes Cedex, FR
DIN EN ISO 14403-2 NF T 90-412 DIN EN ISO 7899-1 NF EN ISO 7887 – méthode C ISO 5815-1 + 3 more
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COFRAC 1-0871 Coulounieix-Chamiers, FR
DIN EN ISO 17294-2 DIN EN ISO 14403-2 DIN EN ISO 10304-1 NF-T 90-101 NF T90-015-1 + 3 more
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Industries

Automotive and transportation noise development Industrial equipment acoustic characterization Building services noise troubleshooting Product noise reduction development Environmental noise assessment and source mapping

Related Standards

  • ISO 9614-1 Determination of sound power levels of noise sources by sound intensity — Part 1: Measurement at discrete points
  • ISO 3746 Determination of sound power levels of noise sources using sound pressure — Survey method
  • IEC 61043 Instruments for measurement of sound intensity — Requirements for sound intensity probes

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