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
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COFRAC 1-1209 Garons, FR
DIN EN 1988-1 DIN EN ISO 17294-2 NF T 90-412 DIN EN ISO 7899-1 DIN EN ISO 10304-1 + 3 more
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NF V 04-407 NF T 90-412 DIN EN ISO 6888-1 NF V04-403 NF V04-408 + 3 more
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NF EN 12802 (inventaire ISO 2811-1 NF T 30-012 DIN EN 15182-4 DIN 51436 + 3 more
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DIN EN 12593 DIN EN 1097-4 DIN EN 933-1 DIN EN 12607-1 DIN EN 1427 + 3 more
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DIN EN 12390-6 DIN EN 62196-1: 2015 DIN EN 12390-3 NF P 98-532 NF P 98-533 + 3 more
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ISO 8302 DIN EN 12664 DIN EN 12667 DIN EN 16272-5 DIN EN 1793-5 + 3 more
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NF EN ISO 6892-1 (méthode DIN EN ISO 9016 DIN EN ISO 5178 ISO 11148-1
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COFRAC 1-2262 Mainvilliers, FR
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
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NF X 43-269 NF X 43-269 - Annexe K NF X 43-298 NF X 43-259 ISO 22262-1 + 3 more
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DIN EN 1254-2 DIN EN 1254-3 DIN EN 1254-5 DIN EN 12101-10 BS EN 50291-1:2018 + 3 more
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NF X 43-264 NF X 43-267 ISO 16200-1 DIN EN 14385 NF X43-551 + 3 more
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DIN EN ISO 6508-1 ASTM E8/E 8M DIN EN ISO 643 EN ISO 12624 ISO 4967 + 3 more
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EN 13819-2:2020 DIN 53521 DIN EN 13522 DIN 45635-23 Sizing, Range of fitting, Resistance to + 3 more
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COFRAC 1-0300 Marne La Vallee Cedex 2, FR
DIN EN 947 DIN CEN TS 15119-2 NF P 20-501 DIN EN 1026 BS EN 14351-1:2006+A2:2016 + 3 more
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COFRAC 1-1542 Saint Martin D'Heres, FR
DIN EN 1279-2 DIN EN 1279-5 DIN EN 12094-10 EN 1279-6 – Méthode de référence DIN EN 14449 + 3 more
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COFRAC 1-0130 Lyon Cedex 07, FR
DIN EN 27888 DIN EN ISO 10523 NF X 31-615 (Uniquement prélèvements NF EN ISO 7887 Méthode D DIN EN ISO 9963-1 + 3 more
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COFRAC 1-1970 Chateauneuf Sur Isere, FR
DIN EN 12207 DIN EN 12208 DIN EN 1026 DIN EN 12210 BS EN 14351-1:2006+A2:2016 + 3 more
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COFRAC 1-6191 Grande Synthe, FR
NF EN ISO 6892-1 (méthode DIN EN 10164 ASTM E 8 ASTM A 370 DIN EN ISO 6508-1 + 3 more
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COFRAC 1-10039 Marseille, FR
NF X 43-050 NF X43-050 (parties ISO 22262-2 NF ISO 22262-1 et/ou ISO 22262-1
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COFRAC 1-10029 Colomiers, FR
NF X 43-050 NF X43-050 (parties
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COFRAC 1-10041 Villebon-Sur-Yvette, FR
NF X 46-032 NF X 43-050 NF X43-050 (parties
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COFRAC 1-7055 Nice, FR
DIN EN ISO 17294-2 DIN EN ISO 7899-1 ISO 5815-1 NF T90-015-1 DIN EN ISO 10523 + 3 more
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NF ISO 21438-3 NF X 43-264 NF ISO 21438-1 NF X 43-259 NF ISO 21438-2 + 3 more
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COFRAC 1-6388 Saint-Martin D'Heres, FR
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
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COFRAC 1-6491 Bruz, FR
NF X 43-269 - Annexe K NF X 43-050 (parties utiles NF X 46-032 NF X 43-269 – Annexe K NF X 43-050 + 1 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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