ISO 7626-2

Experimental Modal Analysis – Single-Point Excitation

ISO 7626-2 describes procedures for experimental modal analysis using single-point, single-axis excitation to characterise the dynamic properties and natural frequencies of structures and machines. This test method captures frequency response functions and mode shapes essential for structural design validation, vibration control, and fault diagnosis. Aerospace, automotive, civil engineering, and machinery manufacturers use modal analysis to refine designs and understand dynamic behaviour under operational loads. Accreditation ensures rigorous application of measurement protocols and data quality standards supporting engineering confidence in structural performance predictions.

What it measures

  • Frequency response functions (FRF) over specified frequency range
  • Natural frequencies (resonances) and modal damping ratios
  • Mode shapes and structural deflection patterns
  • Coherence and measurement quality indicators
  • Dynamic stiffness and impedance characteristics
🇩🇪 DIN EN ISO 7626-1 🇬🇧 BS EN ISO 7626-1 🇫🇷 NF EN ISO 7626-1 🇮🇹 UNI EN ISO 7626-1 🇪🇸 UNE EN ISO 7626-1 🇳🇱 NEN EN ISO 7626-1 🇩🇪 DIN EN ISO 7626-5 🇬🇧 BS EN ISO 7626-5 🇫🇷 NF EN ISO 7626-5 🇮🇹 UNI EN ISO 7626-5 🇪🇸 UNE EN ISO 7626-5 🇳🇱 NEN EN ISO 7626-5
1,817 Accredited labs
19 Countries

Showing 1,126–1,150 of 1,817 labs

Metrolution

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DAkkS D-K-21403-01-01 Aichhalden, DE
Metrosoft CM, Software einer Raumdiagona AG, Chur, CH ≤ 3333 mm Oberkochen, D GmbH, Wetzlar, D AG, Chur, CH ≤ 7500 mm
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DAkkS D-K-19120-01-01 Gießen, DE
Flüssigkeitsvolumen * Kolbenhubpipetten Manuell betätigte spritzen Mehrfachdispenser + 3 more
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DAkkS D-K-15086-01-01 Wedel, DE
- Gleichspannung Messverstärker > 120 mV > 1 V > 12 V > 1000 V + 3 more
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UKAS 0511 Kingswinford, GB
LENGTH Caliper Depth BS 6468: 2008, 0 to 300 Depth Dial gauges and dial + 2 more
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UKAS 4007 Scunthorpe, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 0405 Scunthorpe, GB
(HSG 264, 2012)
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DAkkS D-K-19573-01-00 Gefell, DE
Akustische Messgrößen Messmikrofone nach (DIN EN 61094-4:1996) Schalldruckpegel (Druck) Empfangsübertragungsmaß + 3 more
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UKAS 1899 Bournemouth, GB
ISO 7251 # = 100 A ISO 6888-3 1) A:2b based on ISO 4833-2:2013 Amd 1:2 2) A:6c based on ISO 21528-1:2017 by mos + 1 more
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ACCREDIA 01676 Biassono, IT
ASTM B212-21 ASTM E1019-24 ASTM B527-24 BS EN ISO 3923-1 ASTM B417-22 + 3 more
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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
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DAkkS D-ML-19288-01-00 Stuttgart, DE
Bacillus cereus Toxin Clostridium perfringens Salmonella spp. Shigella spp. Staphylococcus aureus Toxin + 3 more
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ACCREDIA 02288 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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UKAS 0509 Negara, BN
Specific Values Specific values (continued) ELECTRICAL Other Values AC CURRENT + 3 more
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UKAS 0317 Derby, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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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
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DAkkS D-K-21161-01-01 Esslingen, DE
Gleichspannung 3 mV Messgeräte 10 mV > 100 mV > 220 mV > 11 V + 3 more
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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
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UKAS 22138 Cannock, GB
DC CURRENT Gas pressure (gauge) ELECTRICAL DC VOLTAGE Measurement + 3 more
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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
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DAkkS D-PL-19432-01-01 München, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3
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DAkkS D-ML-20225-01-00 Minden, DE
Differentialblutbild Kleines Blutbild (maschinell) Thrombozyten Unreife Thrombozyten (IPF) Urinsediment (maschinell) + 3 more
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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
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DAkkS D-ML-13106-01-01 München, DE
Hämoglobin A1c Hämoglobin-Differenzierung Erythrozyten Basophile Granolozyten Eosinophile Granulozyten + 3 more
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RvA I068 Groningen, NL
NEN 3650 NEN 1059 NEN 3656 NEN 3651 ISO 13480 + 2 more
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NANO LABO

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COFRAC 1-6119 Fresnes, FR
NF X43-050 (parties utiles de NF X 46-032 DIN EN ISO 11885 NF X43-050 (parties utiles de la NF ISO 22262-1 (parties utiles + 1 more
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Industries

Aerospace and defence engineering Automotive design and validation Civil engineering and bridge design Heavy machinery and equipment development Vibration and noise control consulting

Related Standards

  • ISO 7626-1 Vibration and shock—Experimental determination of mechanical mobility—Part 1: Basic definitions and transducers
  • ISO 7626-5 Vibration and shock—Experimental determination of mechanical mobility—Part 5: Coupling of mechanical mobility measurement instrumentation
  • ISO 6954 Mechanical vibration and shock—Acceleration transducers—Specifications for laboratory standard instruments

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