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
18 Countries

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ENAC LE1154 Boecillo, ES
UNE-EN ISO 16283-1 UNE-EN ISO 16283-2 UNE-EN ISO 16283-3 UNE-EN ISO 3382-2
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CIEMAT

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ENAC LE471 Madrid, ES
OM H-3 based on ISO 9698:2019 ISO 13164-4 SM 3111 UNE-EN ISO 13160 ISO 10704 + 3 more
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ENAC LE2543 Santa Cruz de Tenerife, ES
UNE-EN ISO 5667-19 UNE-EN ISO 16665 UNE-EN 19493
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ENAC LE1355 Carreño, ES
SM 2510 B SM 4500 H+ UNE 7027-1 UNE 7887 SM 4500-NO B 2 + 3 more
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ENAC LE2151 Sevilla, ES
UNE-EN 136 UNE-EN 148-1 UNE-EN 140 UNE-EN 149 UNE-EN 13274-7 + 3 more
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ENAC LE2532 Viladecavalls, ES
UNE-EN 61000-4-2 UNE EN 61000-4-5 UNE-EN 55016-2-1 UNE-EN 61000-4-11 UNE-EN 61000-4-8 + 3 more
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ENAC LE2097 Castellón de la Plana, ES
UNE-EN ISO 140-5 UNE-EN ISO 16283-3 UNE-EN ISO 140-7 UNE-EN ISO 16283-1 UNE-EN ISO 140-4
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ENAC LE2384 Leganés, ES
ISO/IEC 15408-3 ISO/IEC 15408-1 ISO/IEC 15408-2 ISO/IEC 15408-4 ISO/IEC 15408-5 + 1 more
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ENAC LC10.255 Torrejón de Ardoz, ES
CEM EL-020 EURAMET cg-17 CEM EL CEM ME-004 EURAMET cg-11 + 3 more
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ENAC LE1009 Talayuela, ES
UNE 118019 UNE 118012 ISO 22980 UNE 118020 UNE 118021-2
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ENAC LE2170 Olot, ES
SM 3111 B SM 3500-K B SM 3500-Na B SM 2330 B SM 3113 B UNE-EN ISO 8467 + 3 more
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ENAC LE147 Campanillas, ES
IEC 61730-2 IEC 61215-1-2 IEC 61215-2 IEC 61215-1-3 IEC 61215-1-4 + 3 more
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ENAC LC10.204 Fuenlabrada, ES
0 mV  U < 330 mV 330 mV  U < 3,3 V 3,3 0 mV  U < 120 mV 120 mV  U < 1,2 V 1,2 0 A  I  330 A 330 A < I  3,3 mA 3, 20 A  I  1025 A 20 A  I  1025 A F = 50 Hz + 3 more
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ENAC LE776 Madrid, ES
SM 5210 D UNE-EN ISO 27888 SM 5220 D SM 2130 B UNE-EN ISO 11885 + 3 more
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DRACE GEOCISA

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ENAC LE334 San Fernando de Henares, ES
EPA 9056 ISO 13167 SM 3120 B ISO 13166 UNE 73350-1
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ENAC LC10.254 Sevilla, ES
50 ∙ 10-9 mol/mol ≤ C ≤ 237 · 10-9 mol/m 30∙ 10-9 mol/mol ≤ C ≤ 500 ∙ 10-9 mol/mo 50 ∙ 10-9 mol/mol ≤ C ≤ 1000 · 10-9 mol/ 50 ∙ 10-9 mol/mol ≤ C ≤ 237∙ 10-9 mol/mo 0,5 ∙ 10-9 mol/mol ≤ C ≤ 15 ∙ 10-9 mol/m + 1 more
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ENAC LE2175 Arroyo de la Encomienda, ES
UNE-EN ISO 16283-1 UNE-EN ISO 16283-3 UNE-EN ISO 16283-2 UNE-EN ISO 3382-1 UNE-EN ISO 3382-2
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ENAC LC10.206 Sant Cugat del Vallès, ES
200 kg/h ≤ m ≤ 60000 kg/h 200 l/h ≤ Q ≤ 60000 l/h 200 kg/h ≤ m ≤ 30000 kg/h 200 l/h ≤ Q ≤ 30000 l/h 700 Pa ≤ P ≤ 2 MPa + 3 more
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ENAC LE634 Navarrete, ES
UNE-EN 12211 UNE-EN 12210 UNE-EN 1026 UNE-EN 12207 UNE-EN 14608 + 3 more
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ENAC LE1999 San Sebastián de los Reyes, ES
Environmental noise — determination of s ISO 20906 : 2009-12 :
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ENAC LE1450 Basauri, ES
UNE-EN 12350-2 UNE-EN 12504-1 UNE-EN 12390-2 UNE-EN 12390-3 UNE-EN 12350-1 + 3 more
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ENAC LE2757 Madrid, ES
UNE-EN ISO 16283-1 UNE-EN ISO 16283-2 UNE-EN ISO 16283-3 UNE 74201 UNE-EN ISO 3382-2
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ENAC LE1853 Maliaño, ES
UNE-EN ISO 6892-1 DIN EN 10002-1 ASTM E 8 ASTM E 208 ASTM E208-06 + 3 more
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ENAC LE2182 Coslada, ES
UNE 64106 BS ISO 6731:2010 UNE-EN ISO 712 UNE-EN ISO 5534 ISO 13580 + 3 more
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ENAC LE709 Lorquí, ES
UNE EN ISO 15213-1 ISO 6888-1 ISO 7251 ISO 6888-3 ISO 4831 + 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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