ISO 9614-1:2023

Sound Power — Intensity Method (Discrete Points)

This test uses a sound intensity probe to measure acoustic intensity at discrete points on a measurement surface, allowing determination of sound power levels without requiring a fully anechoic environment. The intensity-based approach is effective for characterizing noise sources in semi-reverberant or field conditions where traditional pressure-based methods are unreliable. It provides directional acoustic information and is valuable for source localization and acoustic modification assessment. Accreditation ensures proper probe calibration, measurement procedures, and data processing are maintained to standards.

What it measures

  • Sound intensity magnitude and direction (vector)
  • Sound power level by surface integration
  • A-weighted and frequency-weighted acoustic power
  • Sound radiation patterns from complex sources
🇩🇪 DIN EN ISO 9614-2 🇬🇧 BS EN ISO 9614-2 🇫🇷 NF EN ISO 9614-2 🇮🇹 UNI EN ISO 9614-2 🇪🇸 UNE EN ISO 9614-2 🇳🇱 NEN EN ISO 9614-2 🇩🇪 DIN EN ISO 3744 🇬🇧 BS EN ISO 3744 🇫🇷 NF EN ISO 3744 🇮🇹 UNI EN ISO 3744 🇪🇸 UNE EN ISO 3744 🇳🇱 NEN EN ISO 3744
1,670 Accredited labs
18 Countries

Showing 151–175 of 183 labs

ENAC LC10.264 Sant Martí Sarroca, ES
(2,2 ± 0,1) ⋅ 10-2 mol/mol (99,5 ± 0,5) (15 ± 5) ⋅ 10-6 mol/mol (100 ± 5) ⋅ 10-6 (7,5 ± 0,2) ⋅ 10-2 mol/mol (15 ± 0,5) ⋅
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ENAC LC10.120 Tres Cantos, ES
5 mV ≤ U ≤ 10 V 10 V < U ≤ 1000 V 45 Hz ≤ f ≤ 60 Hz 10 mV ≤ U ≤ 10 V 10 V 100 µA ≤ I ≤ 400 mA 400 mA < I ≤ 10 A 10 300 mA ≤ I ≤ 15 A 45 Hz ≤ f ≤ 60 Hz 100 µA ≤ I ≤ 400 mA 40 + 2 more
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ENAC LC10.178 Madrid, ES
CEM Ed
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ENAC LC10.069 Sant Celoni, ES
0,03 · 10-2 mol/mol  C < 0,3 · 10-2 mol 0,3 · 10-2 mol/mol  C  1,1 · 10-2 mol/ 1,1 · 10-2 mol/mol ≤ C < 26 · 10-2 mol/m 1,1 · 10-2 mol/mol ≤ C < 26 · 10-2 mol/m 9 · 10-6 mol/mol  C < 75 · 10-6 mol/mol + 3 more
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ENAC LC10.221 Terrassa, ES
(15 ± 1) ⋅ 10-6 mol/mol (1000 ± 50) ⋅ 10 (8 ± 0,5) ⋅ 10-2 mol/mol (1,4 ± 0,1) ⋅ 1 (3000 ± 150) ⋅ 10-6 mol/mol (9 ± 1) ⋅ 10 (80 ± 8) ⋅ 10-6 mol/mol (100 ± 8) ⋅ 10-6 mol/mol
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SEQUOPRO

Active
ENAC LC10.166 Tres Cantos, ES
0,015 l/min ≤ Q ≤ 40 l/min 0,0 · 10-9 mol/mol 20 ⋅ 10-9 mol/mol ≤ C ≤ 500 ⋅ 10-9 mol/m 0,00 · 10-6 mol/mol 0,5 ⋅10-6 mol/mol ≤ C ≤ 10 ⋅10-6 mol/mol + 3 more
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ENAC LC10.216 Palmas de Gran Canaria, ES
1 mg 2 mg 5 mg 10 mg 20 mg 50 mg 100 mg 10 g 20 g 50 g 100 g 200 g 500 g 1 kg 2 .1 mg 2 mg 5 mg 10 mg 20 mg 50 mg 100 mg
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SAICA

Active
ENAC LC10.191 Puerto de Santa María, ES
CEM DI-021 CEM DI-004 CEM EL-007 CEM DI-003 CEM DI-008 + 3 more
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SIMETRYCAL

Active
ENAC LC10.192 Sevilla, ES
EURAMET CG-6 CEM DI-021 CEM DI-004 CEM DI-013 CEM DI-012 + 3 more
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ENAC LE011 Madrid, ES
DIN EN 61010-2-010: 2015 DIN EN 60335-2-9 IEC 61000-4-8: 2009 IEC 61010-2-010: 2014 DIN EN 61010-2-101 + 3 more
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ENAC LE1992 Valladolid, ES
UNE-EN 13032-1 UNE-EN 13032-4 UNE-EN 62722-2-1 IEC 62722-2-1 IEC 62717 + 1 more
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ENAC LE1591 Valencia, ES
UNE-EN ISO 16283-1 UNE-EN ISO 16283-3 UNE-EN ISO 16283-2
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ENAC LC10.203 Zaragoza, ES
-95 kPa ≤ P < 0 kPa 0 kPa ≤ P ≤ 1 kPa 1 -95 kPa ≤ P ≤ -5 kPa - 5 kPa < P < -1 kP
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ENAC LC10.210 Cornellà de Llobregat, ES
(5 ± 0,2) · 10-2 mol/mol (1000 ± 50) · 10-6 mol/mol (15 ± 2) · 10-6 mol/mol
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ENAC LE2749 Zaragoza, ES
UNE-EN 12341 0,015 l/min ≤ Q ≤ 50 l/min 20 ⋅ 10-9 mol/mol ≤ C ≤ 500 ⋅ 10-9 mol/m 20 ⋅10-9 mol/mol ≤ C ≤ 100 ⋅ 10-9 mol/mo 100 ⋅ 10-9 mol/mol ≤ C ≤ 1000 ⋅ 10-9 mol + 3 more
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ENAC LE110 Ripoll, ES
ISO 13347-3 BS EN ISO 5801:2008 method ISO 14695
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ENAC LE1615 Gandia, ES
UNE-EN ISO 140-5 UNE-EN ISO 16283-3 UNE-EN ISO 16283-2 UNE-EN ISO 140-7 UNE-EN ISO 16283-1 + 1 more
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TECYGES

Active
ENAC LC10.232 Zaragoza, ES
CEM Procedimiento
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ENAC LE1242 Valencia, ES
UNE-EN ISO 16283-3 DIN EN ISO 16283-1 UNE-EN ISO 3382-2 BS EN ISO 16283-2:2020
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ENAC LE2333 Castellgalí, ES
DIN EN 16615 DIN EN 17658 DIN EN 13697 IEC 60127-6 DIN EN 13727 + 3 more
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ENAC LC10.184 Montmeló, ES
UNE-EN 60942 UNE-EN 61672-3 UNE-EN 60804 UNE-EN 60651 UNE-EN 61252 + 3 more
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ENAC LC10.078 Illescas, ES
UNE-EN ISO 868 ASTM D 2240 ISO 48-9 UNE 7050-3 UNE-EN ISO 10360-2 + 3 more
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ENAC LC10.182 Zamudio, ES
UNE-EN 61672-3 UNE-EN 60651 UNE-EN 60804 UNE-EN 61252 (Técnica calibrador acústic UNE-EN 60942 + 3 more
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TESICNOR

Active
ENAC LE2354 Noáin, ES
UNE-EN 60903 UNE-EN IEC 61243-1 UNE-EN 50508 UNE 204001 UNE-EN 61111 + 2 more
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UNIMETRIK

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ENAC LC10.082 Legutiano, ES
CEM DI-007 CEM DI-021 CEM DI-004 CEM DI-018 CEM DI-002 + 3 more
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Industries

Automotive and vehicle noise source characterization Machinery and equipment acoustic testing Building services and HVAC noise assessment Aerospace and transportation noise evaluation Environmental noise consulting and source identification

Related Standards

  • ISO 9614-2 Determination of sound power levels of noise sources by sound intensity — Part 2: Measurement by scanning
  • ISO 3744 Determination of sound power levels of noise sources using sound pressure — Precision method in anechoic and hemi-anechoic rooms
  • ISO 9613-1 Attenuation of sound during propagation outdoors — Part 1: Calculation of the absorption of sound by the atmosphere

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