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 826–850 of 906 labs

DAkkS D-K-17723-01-00 Wiesthal, DE
Koordinatenmessgeräte von <7000 mm under-Edge, UK INCA3D, Software von Inspect 3D, Cholet, F + 3 more
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DAkkS D-K-15105-01-00 Klingenberg, DE
Positiver und −1 bar bis −0,03 bar Positiver und negativer (ein- oder mehrgängige > −0,03 bar bis > 0,15 bar bis + 3 more
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DAkkS D-K-17410-01-01 Korbußen, DE
− Parallelendmaße − Längenmessmittel − Durchmesser − Formabweichung − Gewinde + 3 more
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DAkkS D-PL-11098-01-01 Admannshagen-Bargeshagen, DE
IEC 61400-12 IEC 61400-12-1 IEC 61400-12-2 IEC 61400-12-3 IEC 61400-12-5 + 3 more
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DAkkS D-PL-11233-01-01 Grevenbroich, DE
IEC 61400-12-1 IEC 61400-12-2 IEC 61400-12-3 IEC 61400-12-5 IEC 61400-12-6 + 3 more
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DAkkS D-K-20130-01-00 Meissen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen verwendete Abkürzungen: 1) In den CMC sind die erweiterten Messu + 2 more
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Waagen-Jöhnk

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DAkkS D-K-19520-01-00 Dätgen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) verwendete Abkürzungen:
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DAkkS D-K-19038-01-00 Rimbach, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) verwendete Abkürzungen:
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DAkkS D-K-17685-01-00 Hardegsen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen verwendete Abkürzungen:
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DAkkS D-PL-21231-01-00 Marienheide, DE
DIN EN ISO 5667-1 (A 4) * DIN 38402-A 12 * DIN 38402-A 13 * DIN EN ISO 5667-3 (A 21) * DIN 38402-A 30 * + 3 more
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DAkkS D-PL-14015-01-02 Erding, DE
DIN EN 2561 DIN EN ISO 14126 DIN EN ISO 14125 DIN EN 2563 DIN 53504 + 3 more
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DAkkS D-PL-17463-01-00 Ahaus, DE
DIN 45645-2 DIN EN ISO 11690-1 DIN EN ISO 11690-2
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DAkkS D-K-15006-01-00 Gießen, DE
Steuerungssoftware Messvolumen mit einer Werth Messtechnik ≤ 2330 mm GmbH, Gießen, D Werth Messtechnik ≤ 600 mm Werth Messtechnik ≤ 150 mm
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DAkkS D-PL-21876-01-01 Dortmund, DE
DIN IEC 60060-1 VDE 0432- 1 IEC 60270 VDE 0434 DIN EN 61243-1 + 3 more
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DAkkS D-K-14054-01-00 Hörstel, DE
Kohlenstoffmonoxid *) Kohlenstoffdioxid Propan *) Stickstoffmonoxid Distickstoffmonoxid + 3 more
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DAkkS D-K-20386-01-00 Meppen, DE
Parallelendmaße aus 0,5 mm DIN EN ISO 3650:1999 Einstelldorne Durchmesser 3 mm Durchmesser 5 mm + 3 more
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DAkkS D-K-15040-01-00 Wuppertal, DE
Charpy impact test (ISO 148-1) nichtselbsttätigen elektronischen Ersatzlastverfahren (Staffelverfahren) + 1 more
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DAkkS D-K-21902-01-00 Wilsdruff ST Kesselsdorf, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) 1) In den CMC sind die erweiterten Messu
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DAkkS D-PL-19254-01-00 Höchberg, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3 DIN 45641 DIN 45645-1 + 3 more
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DAkkS D-PL-11122-01-00 Kloster Lehnin, DE
DIN EN ISO 10140-1 DIN EN ISO 10140-2 DIN EN ISO 10140-4 DIN EN ISO 10140-5 DIN EN ISO 16283-1 + 3 more
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Yncoris

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DAkkS D-PL-14424-02-00 Hürth, DE
DIN 45645-2
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DAkkS D-ML-18420-01-00 Lübeck, DE
HbA1c Basophile Eosinophile Thrombozyten Lymphozyten + 3 more
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DAkkS D-K-15103-01-01 Königswinter, DE
0,05 V - Gleichstromstärke dreiphasig 60 V; 120 V; 240 V > 240 V einphasig 0,002 V + 3 more
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DAkkS D-K-22359-01-00 Oberursel, DE
Wechselstromstärke 5 mA 5 mA, 10 mA, 20 mA 40 mA, 80 mA, 150 mA 240 mA, 300 mA, 480 mA 600 mA, 720 mA, 960 mA + 3 more
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DAkkS D-K-23094-01-01 Eisingen, DE
Außengewinde Nenndurchmesser zylindrische Innengewinde − Längenmessgeräte Längenmessmittel Länge + 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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