DIN 45680

Low-Frequency Noise Measurement and Assessment

DIN 45680 specifies procedures for measuring and evaluating low-frequency noise (typically 8 Hz to 160 Hz) immissions in buildings and indoor environments. Low-frequency noise from sources such as wind turbines, industrial equipment, traffic, and HVAC systems can cause annoyance and health effects even at sound pressure levels below conventional noise limits. The standard defines frequency-weighted assessment methods, measurement locations, and evaluation criteria specific to low-frequency phenomena. Accreditation for this test method enables laboratories to conduct specialized assessments required for wind energy projects, industrial operations, and building acoustics investigations in sensitive environments.

What it measures

  • Sound pressure levels in the low-frequency range (8–160 Hz)
  • Low-frequency weighted acceleration and vibration metrics
  • Frequency content and tonal characteristics of low-frequency sources
  • Indoor sound field distribution and room resonance effects
  • Infrasound component presence and magnitude
🇩🇪 DIN EN ISO 389-7 🇬🇧 BS EN ISO 389-7 🇫🇷 NF EN ISO 389-7 🇮🇹 UNI EN ISO 389-7 🇪🇸 UNE EN ISO 389-7 🇳🇱 NEN EN ISO 389-7 🇩🇪 DIN EN ISO 226 🇬🇧 BS EN ISO 226 🇫🇷 NF EN ISO 226 🇮🇹 UNI EN ISO 226 🇪🇸 UNE EN ISO 226 🇳🇱 NEN EN ISO 226
1,868 Accredited labs
20 Countries

Showing 501–525 of 906 labs

Minebea Intec Bovenden

Active
DAkkS D-K-20451-01-00 Bovenden, DE
Konventioneller Wägewert/ Massenormale Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO + 3 more
View Profile

Ministerium für Soziales, Gesundheit und Integration Baden-Württemberg Landesgesundheitsamt Baden-Württemberg

Active
DAkkS D-ML-19288-01-00 Stuttgart, DE
Bacillus cereus Toxin Clostridium perfringens Salmonella spp. Shigella spp. Staphylococcus aureus Toxin + 3 more
View Profile

Mitutoyo Deutschland

Active
DAkkS D-K-15096-01-00 Neuss, DE
Parallelendmaße 0,5 mm DIN EN ISO 3650:1999 Parallelendmaße > 10 mm Parallelendmaße > 100 mm + 3 more
View Profile

Mobiler Kalibrierdienst Fini

Active
DAkkS D-K-21161-01-01 Esslingen, DE
Gleichspannung 3 mV Messgeräte 10 mV > 100 mV > 220 mV > 11 V + 3 more
View Profile

Moeller Operating Engineering

Active
DAkkS D-PL-12005-01-01 Itzehoe, DE
IEC 61000-4-7 IEC 61000-4-15 IEC 61000-4-30 IEC 61400-21 IEC 61400-21-1 + 3 more
View Profile

MonTech Werkstoffprüfmaschinen GmbH Kalibrierlabor

Active
DAkkS D-K-11292-01-00 Buchen Odenwald, DE
Temperatur 50 °C Railway brake handbooks (UIC 547) 1) In den CMC sind die erweiterten Messu
View Profile

Murrelektronik GmbH Prüfzentrum (4)

Active
DAkkS D-PL-19306-01-00 Oppenweiler, DE
IEC 61000-4-2: 2008 VDE 0847-4-2 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 + 3 more
View Profile

Mühlenkreiskliniken AöR Institut für Laboratoriumsmedizin, Transfusionsmedizin und Mikrobiologie

Active
DAkkS D-ML-20225-01-00 Minden, DE
Differentialblutbild Kleines Blutbild (maschinell) Thrombozyten Unreife Thrombozyten (IPF) Urinsediment (maschinell) + 3 more
View Profile

Müller-BBM Building Solutions GmbH Akustisches Prüflaboratorium

Active
DAkkS D-PL-22339-02-01 Planegg, DE
DIN EN ISO 717-1 DIN EN ISO 717-2 DIN EN ISO 10140-2 DIN EN ISO 10140-4 DIN EN ISO 10140-5 + 3 more
View Profile

Müller-BBM Industry Solutions GmbH Kalibrierlaboratorium für Beschleunigung und akustische Messgrößen

Active
DAkkS D-K-14119-01-00 Planegg, DE
Pistonfonen und von Schallkalibratoren Pistonphonen und von (bezogen auf 20 µPa 31,5 Hz bis 16 kHz (bezogen auf 1 V/Pa) + 3 more
View Profile

Müller-BBM Industry Solutions Prüflaboratorium

Active
DAkkS D-PL-14119-01-01 Planegg, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3 DIN ISO 8297 DIN EN ISO 12354-4 + 3 more
View Profile

München Klinik gGmbH Medizet - Institut für Laboratoriumsmedizin und medizinische Mikrobiologie

Active
DAkkS D-ML-13106-01-01 München, DE
Hämoglobin A1c Hämoglobin-Differenzierung Erythrozyten Basophile Granolozyten Eosinophile Granulozyten + 3 more
View Profile

NATEC Sensors

Active
DAkkS D-K-15139-01-01 Garching, DE
Railway brakes — conditions for homologa − Durchfluss von Flüssigkeiten Gleichspannung U (Simulation des Signals generators) + 3 more
View Profile

NEMKO

Active
DAkkS D-PL-22131-01-01 Pfinztal, DE
IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 IEC 61000-4-6: 2013 + 3 more
View Profile

Narda Safety Test Solutions

Active
DAkkS D-K-17726-01-00 Pfullingen, DE
Elektrische Feldstärke / 2 V/m 2,5 V/m 1 V/m Magnetische Feldstärke / + 3 more
View Profile

Niedersächsisches Landesgesundheitsamt

Active
DAkkS D-PL-17693-02-01 Hannover, DE
DIN EN ISO 15061 (D 34) DIN EN 27888 (C 8) DIN EN 1484 (H 3) ISO 5667-21 DIN 38404-C 10 + 3 more
View Profile

Normec Valitech

Active
DAkkS D-K-18539-01-00 Falkensee, DE
Tensile testing of metallic materials (I positiver Überdruck -0,01 bar Absolutdruck p abs Taupunkttemperatur + 3 more
View Profile

Normec uppenkamp

Active
DAkkS D-PL-21203-01-00 Ahaus, DE
DIN EN 13725:2003-07 und Berichtigung DIN EN 16841-1 DIN EN 16841-2 DIN EN 61400-11 DIN EN ISO 11200 + 1 more
View Profile

Norsonic-Tippkemper

Active
DAkkS D-K-15132-01-00 Oelde, DE
Akustik Übertragungsmaß von Messmikrofonen Messmikrofonen mit Dämpfung eines + 3 more
View Profile

ONNEKEN Meß- und Prüftechnik

Active
DAkkS D-K-15218-01-00 Friedrichsdorf (Taunus), DE
Druck 0,03 bar Absolutdruck Pabs > -0,3 bar > 3,0 bar > −0,02 bar + 3 more
View Profile

OPTOLUTION Messtechnik

Active
DAkkS D-K-20427-01-00 Lörrach, DE
− Wärmezähler Durchflusssensoren als Teilgeräte von Wärme- und Kältezählern: + 3 more
View Profile

Ober Berg & Lukowiak

Active
DAkkS D-PL-12032-01-02 Hüllhorst, DE
IEC 61000-4-2: 2008 VDE 0847-4-2 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 + 3 more
View Profile

Oelze Präzisions-Meßzeugfabrik

Active
DAkkS D-K-15021-01-01 Aschaffenburg, DE
Railway brake — magnetic track brakes (U − Ebenheit − Geradheit − Winkelnormale auch als Vor-Ort-Kalibrierung + 3 more
View Profile

Olfasense

Active
DAkkS D-PL-17433-01-00 Kiel, DE
DIN EN 13725:2003-07 und Berichtigung DIN ISO 16000-28 DIN EN ISO 16000-9 DIN EN ISO 16000-11 VDA 270
View Profile

Open Grid Europe GmbH Technologiezentrum Gasqualität

Active
DAkkS D-PL-14154-01-01 Essen, DE
ISO 6974-1 ISO 6974-2 ISO 6974-6 ISO 6975 DIN EN 12697-5 + 3 more
View Profile

No matching labs found.

Industries

Renewable energy (wind turbine) development and operation Industrial noise and vibration control Building acoustics and occupant protection Environmental health and public protection Regulatory compliance and permit assessment

Related Standards

  • DIN 45681 Acoustics — Tonality assessment
  • ISO 389-7 Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free and diffuse sound field conditions
  • ISO 226 Acoustics — Normal equal-loudness-level contours

Other Test Methods

0 labs selected
Compare