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
1,868 Accredited labs
20 Countries

Showing 176–200 of 254 labs

COFRAC 1-0606 Trappes Cedex, FR
DIN EN ISO 2505 ISO 18553 AMD 1 DIN EN 12099 ISO 13480 ISO 6964 + 3 more
View Profile
COFRAC 1-1531 Venissieux, FR
ISO 15202-3 NF X43-551 NF X 43-317 NF X 43-294 (juin DIN EN ISO 16017-2 + 3 more
View Profile

LVD 04

Active
COFRAC 1-0641 Digne Les Bains Cedex, FR
DIN EN ISO 17604 DIN EN ISO 6888-1 DIN EN ISO 6888-2 DIN ISO 16649-2 BS ISO 15214:1998 + 3 more
View Profile
COFRAC 1-7427 Launaguet, FR
NF T90-111 DIN EN ISO 17294-2 DIN EN ISO 14403-2 DIN EN ISO 13395 VDE 414-9-11 + 3 more
View Profile
COFRAC 1-1157 Bonneuil Sur Marne, FR
EN 13087-2 NF T 90-003 DIN EN ISO 10523 NF T90-015-1 DIN EN 846-7 + 3 more
View Profile
COFRAC 1-1810 Vesoul, FR
NF T 90-412 DIN EN ISO 7899-1 VDE 414-9-11 DIN EN ISO 10304-1 DIN EN 12880 + 3 more
View Profile
COFRAC 1-0536 Arras Cedex, FR
DIN EN ISO 13395 DIN EN ISO 7899-1 DIN EN ISO 6888-2 ISO 5815-1 DIN EN ISO 10523 + 3 more
View Profile
COFRAC 1-1756 Saint Denis, FR
NF T 90-412 DIN EN ISO 7899-1 VDE 414-9-11 DIN EN ISO 10304-1 DIN EN ISO 16017-2 + 3 more
View Profile
COFRAC 1-1140 Dammarie Les Lys, FR
NF EN ISO 19340 DIN EN ISO 10304-1 DIN EN ISO 15061 ISO 5815-1 NF T 90-117 + 3 more
View Profile
COFRAC 1-0674 Laval Cedex, FR
DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 DIN ISO 11665-4 NF T90-007 + 3 more
View Profile
COFRAC 1-0885 Hagnicourt, FR
NF T 90-412 DIN EN ISO 7899-1 NF U47-101 DIN EN ISO 10523 NF T90-015-2 + 3 more
View Profile
COFRAC 1-1519 Draguignan, FR
NF T 90-412 DIN EN ISO 7899-1 NF U47-101 DIN EN ISO 21528-2 DIN EN ISO 6888-2 + 3 more
View Profile
COFRAC 1-5018 Pompey, FR
ASTM E8/E 8M DIN EN 10002-1 DIN EN ISO 6892-2 ASTM A 370 (BS EN ISO 6892-1: 2019) + 3 more
View Profile
COFRAC 1-5570 Lille, FR
NF X 43-269 NF X 43-269 - Annexe K NF X 43-050 (parties utiles NF X 43-050 ISO 16000-7
View Profile
COFRAC 1-6512 Ajaccio Cedex 9, FR
DIN EN ISO 14403-2 DIN EN ISO 13395 DIN EN ISO 10304-1 DIN EN ISO 15061 ISO 5815-1 + 3 more
View Profile
COFRAC 1-1083 Toulon Armees, FR
NF X 43-050 DIN EN ISO 10703 DIN EN ISO 17294-2 DIN EN ISO 14403-2 DIN EN ISO 10704 + 3 more
View Profile
COFRAC 1-1931 Brest, FR
DIN EN ISO 17294-2 NF T 90-412 VDE 414-9-11 DIN EN ISO 10304-1 DIN EN ISO 9698 + 3 more
View Profile
COFRAC 1-6554 Voujeaucourt, FR
DIN EN ISO 17294-2 NF T 90-412 DIN EN ISO 7899-1 DIN EN ISO 10304-1 ISO 5815-1 + 3 more
View Profile
COFRAC 1-6567 Bordeaux Cedex, FR
DIN EN 27888 NF T 90-412 DIN EN ISO 7393-2 DIN EN 26461-2 DIN EN ISO 10523 + 3 more
View Profile
COFRAC 1-2314 Aix-En-Provence, FR
DIN EN 13725:2003-07 und Berichtigung
View Profile
COFRAC 1-6404 Clermont Ferrand, FR
DIN EN ISO 17294-2 DIN EN ISO 7899-1 VDE 414-9-11 DIN EN ISO 10304-1 DIN EN ISO 10523 + 3 more
View Profile
COFRAC 1-6419 Sainghin-En-Melantois, FR
DIN EN 17126 DIN EN 14562 DIN EN 14348 IEC 60127-5 DIN EN 14563 + 3 more
View Profile
COFRAC 1-6395 Cherbourg-En-Cotentin, FR
NF ISO 22262-1 (parties utiles de la NF X43-050 (parties utiles de NF ISO 22262-1 (parties utiles NF X43-050 (parties utiles de la
View Profile
COFRAC 1-1064 La Roche-Sur-Yon Cedex 9, FR
DIN ISO 11665-4 DIN 53483-2 DIN EN ISO 7937 NF V08-050 NF V 08-060 + 3 more
View Profile
COFRAC 1-5094 Grand Bourgtheroule, FR
NF X 43-050 NF X 43-269 - Annexe K NF ISO 22262-1 (parties utiles de NF X43-050 (parties utiles de la DIN EN 14346 + 1 more
View Profile

No matching labs found.

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

Other Test Methods

0 labs selected
Compare