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
1,670 Accredited labs
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RIVACOLD SRL

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ACCREDIA 01454 Vallefoglia, IT
DIN EN 16825 ISO 22041 EN ISO 22043 DIN EN 13771-1 DIN EN 14511-2 + 3 more
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Radiomotive

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ACCREDIA 02089 Fino Mornasco, IT
ETSI EN 301 489-6 DIN EN 61326-2-6 IEC 61326-3-1 IEC 61326-3-2 IEC 60669-2-5 + 3 more
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ACCREDIA 00532 Mesagne, IT
DIN EN 12457-2 DIN EN ISO 6888-1 DIN EN 15634-1 ASTM D888-18 EPA 8015 + 3 more
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ACCREDIA 00612 Rivalta Scrivia, IT
DIN EN 1097-7 DIN EN 1097-6 DIN EN 933-10 DIN EN 933-8 DIN EN 1427 + 3 more
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ACCREDIA 01160 Assemini, IT
EPA 8015 EPA 3511 2014 EPA 8260 EPA 6020 BS EN ISO 17294-2 + 3 more
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ACCREDIA 01827 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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ACCREDIA 01376 Putignano, IT
DIN EN 12457-2 EPA 3545 DIN EN ISO 14402 UNI 10802 EPA 1613 + 3 more
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ACCREDIA 00473 Stazzano, IT
ISO 17604 DIN EN 12457-2 DIN EN ISO 6888-1 ISO 19250 EPA 3630 + 3 more
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ACCREDIA 00627 Busto Arsizio, IT
ASTM E 415 21 DIN EN 15266 ASTM D 1329 UNI EN ISO 22391 DIN EN ISO 10140-1 + 3 more
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ACCREDIA 00173 Brugine, IT
ETSI EN 301 489-1: V2.2.3 IEC 62109-1 DIN EN 50178: 1998 IEC 61000-4-16: 2015 IEC 62109-2 + 3 more
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ACCREDIA 00321 Pogliano Milanese, IT
IEC 60335-2-51 DIN EN 60068-2-30 IEC 61000-6-1 IEC 60335-2-54: 2008 DIN EN 50564 + 3 more
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ACCREDIA 00754 Verbania, IT
ISO 37 &10 based on HSG 248 BS EN ISO 6509-1:2014 ISO 815-1 ISO 815-2 + 3 more
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Telsy

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ACCREDIA 01747 Orvieto, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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ACCREDIA 00999 Carugate, IT
DIN EN 60068-2-30 IEC 61000-6-1 AS/NZS CISPR 22:2006 IEC 61000-6-2: 2005 ETSI EN 303 446-2 + 3 more
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WTLAB

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ACCREDIA 01077 Tribano, IT
IEC 62109-1 IEC 61400-21-1 IEC 62109-2 DIN EN 60598-2-4 DIN EN 60068-2-30 + 3 more
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ACCREDIA 00165 Roncoferraro, IT
ISO 13720 DIN 3388-4 EPA 6020 EPA 3535 DIN EN ISO 6888-1 + 3 more
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Z LAB Srl

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ACCREDIA 01046 Cerea, IT
DIN EN ISO 11546-1 UNI EN ISO 9295 DIN EN ISO 11957 ISO 354 ISO 3741 + 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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