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

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DAkkS D-PL-11220-01-01 Hannover, DE
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DAkkS D-ML-22182-01-00 Leipzig, DE
Ovarialkarzinom (ATM, BRCA1, BRCA2, BRIP RAD51C; RAD51D; TP53) Cystische Fibrose Panel (CFTR) Cystische Fibrose gezielt + 2 more
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UKAS 7848 Dover, GB
BS EN ISO 11607: Part1:2019 for the ASTM F1980-21 ASTM F1886-16 (2024) ASTM F1886M -16 (2024 ) ASTM F1140/F1140M-13 (2020) + 3 more
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DAkkS D-ML-22296-01-01 Augsburg, DE
25-OH-Vitamin D Stimulation mit Antigenen (Aspergillus 1 / 2, Babesia Bartonella henselae, Candida albicans, Chlamydia pneumoniae, Chlamydi + 3 more
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DAkkS D-ML-13168-08-01 Hannover, DE
Thrombozytenaggregationstest IgG Antikörper gegen Kollagen HLA-DR ADP Ristocetin + 3 more
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DAkkS D-ML-13168-03-00 Hannover, DE
Echinococcus-Antikörper Haemophilus influenzae Phänotypisierung Thrombozytäre Antikörper Salmonellen-Typisierung + 3 more
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DAkkS D-ML-13168-09-00 Hannover, DE
ABO-System lsoagglutinine (Serumeigenschaften) Rh-Merkmal D Kell-Merkmal K + 3 more
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DAkkS D-ML-13168-02-00 Hannover, DE
Toxoplasma gondii -Ak Treponema pallidum-AK Herpes-Simplex-Viren, Typen 2, Aciclovir-Resistenz Adenoviren + 3 more
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DAkkS D-ML-22843-01-01 Cottbus, DE
D-Dimer Gerinnungsfaktor XIII Protein S Fibrinmonomere Oligosaccharide + 3 more
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DAkkS D-ML-22843-02-00 Cottbus, DE
Aspergillus-Antikörper Brucella-Antikörper Candida dubliniensis Candida-Antikörper Cryptococcus Antigen + 3 more
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DAkkS D-ML-22289-01-00 Heppenheim (Bergstraße), DE
ALOT AML-ED/MRD BPDCN B-ALL-ED/MRD T-ALL-ED/MRD + 3 more
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DAkkS D-ML-13288-01-00 Bautzen, DE
Basophile Blutbildmessung (Automat) Eosinophile Erythrozyten Basophile Granulozyten + 3 more
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DAkkS D-ML-13288-02-01 Dresden, DE
Basophile Blutbildmessung (Automat) Eosinophile Erythrozyten Basophile Granulozyten + 3 more
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DAkkS D-ML-13291-01-00 Magdeburg, DE
Metanephrin, Normetanephrin VMS, 5-HIES, HVS 10-OH-Carbazepin 3-Methoxytyramin 9-OH-Risperidone + 3 more
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DAkkS D-ML-13414-01-00 Rostock, DE
PFA-Verschlusszeit 3-Methoxytyramin 5-Hydroxyindolessigsäure Adrenalin Dopamin + 3 more
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DAkkS D-ML-20110-01-01 Zwickau, DE
10-Hydroxycarbazepin (Eslicarbazepin) Amiodaron, Desmethylamiodaron CDT Amiodaron, Desethylamiodaron + 3 more
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DAkkS D-ML-13374-01-00 Kaiserslautern, DE
SNV-Genotypisierung (Nachweis Antithrombin-III-Mangel (in-house) (SERPINC1-Gen [OMIM *107300]) HIV-Wirtsresistenz + 3 more
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DAkkS D-ML-13078-01-00 Bielefeld, DE
Thrombozytenaggregation (induzierte) Carbazepin) 3-Methoxytyra min, freies 5-Hydroxy-lndolessigsäure + 3 more
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DAkkS D-ML-13315-01-01 Frankfurt/Main, DE
Eosinophile Neutrophile Granulozyten Thrombozyten, PAC-1 Bindung MCV Erythrozyten + 3 more
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DAkkS D-ML-19105-01-00 Ulm, DE
Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Lymphozyten Leukozyten + 3 more
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DAkkS D-ML-13165-01-00 Wiesbaden, DE
10-OH-Carbazepin Amiodaron, Desmethylamiodaron Carbamazepin-10,11-epoxid Coenzym Q10 Amiodaron, Desethylamiodaron + 3 more
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DAkkS D-ML-13169-01-00 Bad Oeynhausen, DE
Thrombozytenfunktion Amiodaron/Desethylamiodaron Cotinin Cyclosporin A Everolimus + 3 more
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DAkkS D-ML-21314-01-00 Ulm, DE
HbA1c Blutbild klein und groß Retikulozyten Thrombozyten Natriumchlorid + 3 more
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DAkkS D-ML-13239-01-00 Essen, DE
HbA1c Basophile Eosinophile Erythrozyten Basophile Granulozyten + 3 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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