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

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UKAS 0720 Birmingham, GB
(Steel and tungsten carbide) LENGTH (cont’d) pneumatic tyres (See Note 1) LENGTH (cont.) Plain plug gauges (taper) + 3 more
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Ricardo- AEA

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UKAS 4729 Harwell, GB
on EN 13725:2022
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UKAS 0245 Denton, GB
(HSG 264, 2012) HSG 264 (2012) and Appx. 3 of HSG 227 (2004)) Appendix 5 of HSG 227 (2004))
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UKAS 4087 Hextable, GB
(HSG 248) – 2021 OP11 based on HSG 248 (PCM) based on HSG 248 OP04 based on HSG 248
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UKAS 0296 Hextable, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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DAkkS D-ML-13113-01-01 Berlin, DE
Salmonellen Salmonella enterica, Shigellen, Yersinie Shigellen Salmonella sv. Paratyphi Neisseria meningitidis, Listeria + 3 more
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DAkkS D-K-21801-01-00 Lüdenscheid, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen 1) In den CMC sind die erweiterten Messu
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Ruhr Lab

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DAkkS D-PL-21007-01-00 Gelsenkirchen, DE
ISO 13909-2 ISO 13909-3 ISO 13909-5 ISO 13909-7 ISO 13909-8 + 3 more
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DAkkS D-PL-19612-01-00 Gelsenkirchen, DE
DIN EN ISO 12185 DIN EN ISO 3405 DIN EN 13016-1 DIN EN ISO 20884 DIN EN ISO 20846 + 3 more
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DAkkS D-ML-13425-01-00 Bochum, DE
Spinocerebelläre Ataxien Bindegewebserkrankungen: ACTA2, COL1A1, HD; Chorea Huntington (Huntingtin-Gen) Dentatorubrale-Pallidoluysiane + 3 more
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RvA L638 Kicukiro District, Kigali City, RW
ISO 6222 AM09 based on BS ISO 21527-1: ISO 6579-1 ISO 4832 ISO 2171 + 3 more
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COFRAC 1-1523 Boissy-Saint-Leger, FR
DIN EN ISO 6507-1 DIN EN ISO 6508-1 NF X70-100-1 DIN EN 45545-2 NF X70-100-2 + 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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S.D.S.

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COFRAC 1-5058 Pierre Percee, FR
DIN EN 27888 NF X 31-615 (Uniquement DIN EN ISO 10523
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DAkkS D-K-21982-01-00 Mönchengladbach, DE
Durchfluss von 2 m3/h bis 800 rn3/h − Durchfluss von Flüssigkeiten Volumendurchfluss dV/dt von strörnenden + 3 more
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UKAS 27441 Elsworth, GB
(HSG 264, 2012)
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SARIA

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UKAS 2648 Doncaster, GB
AM-01 based on BS 4401:Part 1: AM-32 based on BS 4401:Part 4: AM-03 based on BS ISO 937:2023 AM-04 based on BS ISO AM-31 based on BS EN ISO + 3 more
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UKAS 0248 Kettering, GB
ISO 4931:1986 (withdrawn) ISO 3759:1984 (withdrawn) DIN EN 13759 DIN EN 12150-1 DIN EN ISO 15797 + 3 more
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COFRAC 1-0618 Le Bourget Du Lac Cedex, FR
NF X 31 615 (purge DIN ISO 17289 ISO 5815-1 EN 13087-2 DIN EN ISO 7027-2 + 3 more
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COFRAC 1-7502 Bonneville, FR
NF T 90-412 NF T90-350 DIN EN ISO 7899-1 DIN EN 12880 NF X 31-615 + 3 more
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SBKS

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DAkkS D-PL-11303-01-01 St. Wendel, DE
DIN 53394-2 DIN 53176 DIN EN ISO 1172 ASTM D 5576 IEC 60512-11-4 + 3 more
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DAkkS D-K-21939-01-00 St. Georgen im Schwarzwald, DE
Strömungsgeschwin- 0,1 m/s − Strömungsgeschwindigkeit von Gasen Kraft (WPM) Vibration measuring instruments — requir > 1 kN
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DAkkS D-PL-11030-01-01 Bielefeld, DE
DIN EN ISO 717-1 DIN EN ISO 10052 DIN EN ISO 10140-1 DIN EN ISO 10140-2 DIN EN ISO 10140-4 + 3 more
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SDL Atlas

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UKAS 0688 Shenzhen 518052, CN
Betriebsübertragungsmaß Crockmeters Pilling Tester (Box & Drum) Pilling Tester (Random) Burst Strength Tester + 3 more
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COFRAC 1-0162 Paris, FR
DIN EN ISO 12966-2 DIN EN 12266-2 DIN EN ISO 12966-4 DIN EN 13656 DIN 30660 + 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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