ISO 9614-1:2023

Sound Power โ€” 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
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 9614-2 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 9614-2 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 9614-2 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 9614-2 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 9614-2 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 9614-2 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 3744 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 3744 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 3744 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 3744 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 3744 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 3744
1,868 Accredited labs
20 Countries

Showing 376โ€“393 of 393 labs

UKAS 1634 Whitley Bay, GB
(HSG 248) โ€“ 2021 ASB/10 based on HSG 248 (PCM) based on HSG 248 ASB/6 based on HSG 248 BS EN ISO 14644-1:2015 + 3 more
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UKAS 0593 Lutterworth, GB
TEMPERATURE parameters and ranges) indicators or recorders WEIGHING INSTRUMENTS
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Vantify

Active
UKAS 7892 Stoke Prior, GB
Appendix 5 of HSG 227 (2004) (HSG 264, 2012)
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UKAS 10213 Bishops Stortford, GB
(HSG 264:2012) 5 of HSG 227 (2004))
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UKAS 1249 Garston, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248 P052 based on HSG 248
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W H Stephens

Active
UKAS 7855 Belfast, GB
(HSG 264, 2012)
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WSP UK

Active
UKAS 2538 London, GB
(HSG 248) โ€“ 2021 AFC based on HSG 248 (PCM) based on HSG 248 SSA based on HSG 248
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UKAS 1762 High Wycombe, GB
EN 13501-2 DIN 51363-2 BS 1363-1 BS 476: Part 21:1987 Section 5 ISO 834:1975:Sections 5, 6, 7 + 3 more
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UKAS 20481 Winterborne Zelston, GB
TEMPERATURE controllers, and recorders) RELATIVE HUMIDITY
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UKAS 21065 Cleckheaton, GB
Analystsโ€™ Guide (HSG 248) (PCM) based on HSG 248 staining based on HSG 248
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UKAS 7567 Newcastle-Under-Lyme, GB
(HSG 248) โ€“ 2021 SOP 12 based on HSG 248 (PCM) based on HSG 248 SOP 11 based on HSG 248
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UKAS 1830 Callington, GB
ISO 21528-2 BS ISO 4832:2006 BS ISO 16649-2:2001 Method No 2.9 based on BS EN ISO Method No 2.12 based on BS EN + 3 more
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UKAS 21819 Birchwood, GB
BS 1377-2:2022 BS 1377-9:1990 DIN EN 1097-5 BS EN ISO 17892-1:2014+A1:2022 purposes (BS 1377-2:2022
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Winkhaus (UK)

Active
UKAS 1989 Kettering, GB
DIN EN 12046-2 DIN EN 12094-8 DIN EN 949 BS 6375-2:2009 DIN EN 950 + 3 more
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UKAS 0462 Ballyclare, GB
TIME INTERVAL BetriebsรผbertragungsmaรŸ TEMPERATURE ROTATION SPEED
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Wood Group UK

Active
UKAS 4482 Glasgow, GB
IEC 61400-12-1 IEC 61400-12-3 IEC 61400-50 IEC 61400-12 IEC 61400-50-2 + 3 more
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i2 FAST

Active
UKAS 10852 Hemel Hempstead, GB
BS 4401-1:1998 Using N008-1 based on BS EN ISO 12966-4 2015 N008-2 based on BS EN N011 based on BS 4401-9:1975 and BS 770- + 3 more
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UKAS 1916 Hebden Bridge, GB
on BS 4401:Part 3:1970(1986) ISO 12966-1:2014 and ISO 12966-4 CH 4026 based on BS 5766:Part CH 4001 based on BS EN 12014- + 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 โ€” Part 2: Measurement by scanning
  • ISO 3744 Determination of sound power levels of noise sources using sound pressure โ€” Precision method in anechoic and hemi-anechoic rooms
  • ISO 9613-1 Attenuation of sound during propagation outdoors โ€” Part 1: Calculation of the absorption of sound by the atmosphere

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