Scope
ISO 3746:2010
Sound Power Level — Survey Method
This test determines sound power levels of noise sources using an enveloping measurement surface and sound pressure level measurements. It is a survey-grade method suitable for field measurements of machinery, equipment, and industrial sources in moderately reflective environments. The method is widely used for noise compliance verification, product development, and environmental impact assessments. Accredited testing ensures consistent, defensible results for regulatory compliance and product labeling. This method bridges the gap between laboratory-grade precision and practical field measurements.
What it measures
- Sound power level (Lw) in decibels
- A-weighted and frequency-weighted sound power
- Directional sound power distribution
- Acoustic performance of noise sources
🇩🇪
DIN EN ISO 3744
🇬🇧
BS EN ISO 3744
🇫🇷
NF EN ISO 3744
🇮🇹
UNI EN ISO 3744
🇪🇸
UNE EN ISO 3744
🇳🇱
NEN EN ISO 3744
🇩🇪
DIN EN ISO 3745
🇬🇧
BS EN ISO 3745
🇫🇷
NF EN ISO 3745
🇮🇹
UNI EN ISO 3745
🇪🇸
UNE EN ISO 3745
🇳🇱
NEN EN ISO 3745
1,670
Accredited labs
18
Countries
Showing 201–225 of 349 labs
Kova Asbestos Consultants
Active
(HSG 248) – 2021
(PCM) based on HSG 248
SAS 02 based on HSG 248
Kovia
Active
Appendix 5 of HSG 227 (2004))
HSG 227 (2004)
HSG 264 (2012) and Appendix 3 of
LAB (UK)
Active
(HSG 248) – 2021
(PCM) based on HSG 248
MAAM 05 based on HSG 248
(HSG 264, 2012)
Lambda Calibration
Active
PRESSURE (cont’d)
Distortion Factor
Spot frequency
Phase angle
(Herpes simplex virus type
+ 3 more
Lambeth Scientific Services
Active
(HSG 248) – 2021
(PCM) based on HSG 248
P-12 based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
ISO 12966-2
F06 6 & F06 5 based on BS EN
F05 4 based on BS 770:Part
+ 3 more
Leftfield Environmental
Active
(HSG 248) – 2021
LSOP6 based on HSG 248
(PCM) based on HSG 248
Life Environmental Services
Active
(HSG 248) – 2021
QSOP 01 based on HSG 248
(PCM) based on HSG 248
QSOP 03 based on HSG 248
accordance with (EN ISO 14644-
BS EN ISO 14644-1:2015
London Borough of Enfield
Active
staining based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
London Laboratories
Active
(HSG 248) – 2021
ASB04 based on HSG 248
(PCM) based on HSG 248
Lucion Services
Active
staining based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
3492, ISO14966 and HSG 248
DIN EN 14629
+ 3 more
M E Broadstone Limited
Active
Plain ring gauges (taper)
Plain gap gauges (parallel)
Plain plug gauges (taper)
LENGTH
ANGLE
+ 3 more
MP Calibration Services
Active
Plain plug gauges (parallel)
length bars)
LENGTH (continued)
Micrometers
(enzephalomyopathische Form
+ 3 more
MS Laboratories
Active
on BS 4401:Part 3:1970(1986)
ISO 936:1998
BS ISO 21528-2:2017
BS ISO 16649-2:2001
ISO 6888-1
+ 3 more
MS Testing
Active
IEC 60068-2-2
BS EN 60945, section 8.2.
ISO 13628-6: 2006
IEC 60068-2-1
DIN EN 60068-2-30
+ 3 more
MSS Consulting
Active
(HSG 264, 2012)
Appendix 5 of HSG 227 (2004)
Appendix 3 of HSG 227 (2004)
(HSG 248) – 2021
(PCM) based on HSG 248
+ 1 more
Marfleet Microbiology
Active
ISO 6579-1
ISO 21528-2
ISO 16649-2
TP/007 based on BS ISO
ISO 11290-2
+ 3 more
tungsten carbide)
Plain ring gauges (taper)
Straight edges
LENGTH (cont’d)
Squares
+ 3 more
No matching labs found.