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
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GRAVICAL

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Innen- und Tiefenmaße Konventioneller Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) + 1 more
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GTM Testing and Metrology

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Vickers hardness test (ISO 6507) Kraft Kraftaufnehmer und Sound power — survey method (ISO 3746) 0,2 MN + 3 more
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Gas- und Wärme-Institut Essen e. V.

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DIN 30655-1 DIN 30655-2 DIN 3590-1 DIN 3590-2 DIN 30652-2 + 3 more
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Gemeinschaftspraxis med. Michael Dumschat med. Ralf Menkhaus med. Stefanie Strunk Ärzte für Frauenheilkunde Partnerschaftsgesellschaft

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Anti-Müller-Hormon Androstendion CA 125 Cortisol DHEA-S + 3 more
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Genetik Berlin-Lichtenberg GmbH ÖBAG Medicover Humangenetik Berlin - Medicover Humangenetik Berlin-Lichtenberg MVZ Nebenbetriebsstätte Labor

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Azoospermie (AZF-Mikrodeletionen) Fragiles X-Syndrom (FMR1) Chorea Huntington (HTT) Spinocerebelläre Ataxie Typ1 (ATXN1); Typ 2 (ATXN2); Typ 3 + 3 more
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Gerinnungszentrum Rhein-Ruhr

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Gesellschaft für Materialforschung und Prüfungsanstalt für das Bauwesen Leipzig mbH - MFPA Leipzig

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ISO 1920-4 DIN EN 480-11 DIN EN 12350-1 DIN EN 12350-3 DIN EN 12350-6 + 3 more
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Gesundheitszentrum Brandenburg an der Havel GmbH Institut für Laboratoriumsmedizin

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Gigahertz Optik

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spektrale Mikrofonempfindlichkeit Photodioden 1 µA/W Bestrahlungsstärke + 3 more
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Gontermann-Peipers

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DIN EN ISO 16810 DIN EN ISO 16823 DIN EN ISO 16826 DIN EN ISO 16827 DIN EN 12680-1 + 3 more
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GuD Geotechnik und Dynamik Consult

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DIN 38402-A 12 DIN 38402-A 13 DIN 38402-A 15 DIN EN ISO 5667-6 (A 15) DIN 38402-A 30 + 3 more
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Göttfert Werkstoff - Prüfmaschinen

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Gütegemeinschaft Schlösser und Beschläge e.V. PIV Prüfinstitut Schlösser und Beschläge Velbert

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DIN EN 1026 DIN EN 1027 IEC 60512-15-3 IEC 60512-15-5 DIN EN 12179 + 3 more
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HAZET-WERK Hermann Zerver

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Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Drehmoment 2 N·m Handbetätigte 20 N·m + 3 more
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HBT

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DIN 18041 DIN EN 1804-2 DIN EN 1804-3
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HELIOS Horst Schmidt Kliniken Wiesbaden GmbH Institut für Labordiagnostik und Hygiene

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Verschlusszeit (ADP, Epinephrin, P2Y12) HCG, ß-HCG PF4/Heparin-Komplexe induzierte Thrombozytopenie, Test) Differenzialblutbild (maschinell) + 3 more
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HELIOS Klinikum Krefeld GmbH Institut für Hygiene und Labormedizin

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HELIOS Klinikum Wuppertal GmbH Institut für Medizinische Labordiagnostik

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HELLA GmbH & Co. KGaA

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Elektrische Messgrößen 0,1 mV - Gleichspannung 200 V Gleichspannung 0,1 mV / Messgeräte + 3 more
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HENSOLDT Optronics GmbH Testzentrum

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HENSOLDT Sensors

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HFB Engineering

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DIN EN ISO 10666 DIN 53438-3 rs738409 DIN EN 1382 DIN EN 1383 + 3 more
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HIGHVOLT Prüftechnik Dresden GmbH Kalibrierlaboratorium

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Gleichspannung a) / Messgeräte > 600 kV Messsysteme, Teiler > 5 kV + 3 more
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HIMA Paul Hildebrandt GmbH Abteilung EDS, Team TLab

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IEC 61000-6-1 IEC 61000-6-2: 2005 VDE 0839-6-1 VDE 0839-6-2 power port EN 61000-4-29 + 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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