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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Messschieber für 0 mm Außen-, Innen- und Bügelmessschrauben 0 mm Messuhren mit Feinzeiger + 3 more
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UNIMETRIK

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ENAC LC10.082 Legutiano, ES
CEM DI-007 CEM DI-021 CEM DI-004 CEM DI-018 CEM DI-002 + 3 more
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UNIVERSITAT DE GIRONA

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UNE-EN 25663 UNE-EN 872 UNE-EN ISO 6878 UNE EN 27888 UNE-EN ISO 10523 + 3 more
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URIKER

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UNE 77061 SM 4500-NO-3 E UNE-EN ISO 7027-1 ISO 15923-1 UNE-EN ISO 7393-2 + 3 more
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UTAC UK

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UKAS 2498 Millbrook, GB
DIN EN 60068-2-64 DIN EN 60068-2-78 IEC 68-2-56:1988 DIN EN IEC 60068-2-5 DIN EN-60068-2-6 + 2 more
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UTILES Y MAQUINAS INDUSTRIALES, S.A. (UMI)

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ENAC LC10.024 Zamudio, ES
UNE-EN ISO 16859-2 (Método indirecto) UNE-EN ISO 6507-2 ASTM E 92 UNE-EN ISO 6508-2 (Método indirecto) UNE-EN ISO 6506-2 (Método indirecto) + 3 more
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Uniper Technologies

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DIN EN 13284-1 BS EN ISO 23210:2009 requirements of BS EN 14181:2014 IEC 60519-11 requirements of BS EN + 3 more
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Universal Instrument Services

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UKAS 0125 Blaby, GB
Chronic progressive external LENGTH Micrometer heads Dial gauges and dial test Depth + 3 more
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University of Salford

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UKAS 1660 Salford, GB
DIN EN 12667 ISO 8301 DIN EN 12939 DIN EN 12664 DIN EN ISO 13163 + 3 more
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University of Salford

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UKAS 0801 The Crescent, GB
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Universität Regensburg Institut für Humangenetik

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Universität Stuttgart Institut für Gebäudeenergetik, Thermotechnik und Energiespeicherung

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Universität Stuttgart Materialprüfungsanstalt

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Sound power — engineering method using a Sound power — survey method (ISO 3746) Sound power — in-situ using reference so Sound intensity — scanning method (ISO 9 Sound intensity — scanning method part 2 + 3 more
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Universitätsklinikum Aachen AöR (Uniklinik RWTH Aachen) Institut für Humangenetik und Genommedizin

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Syndrom/Silver-Russell-Syndrom) SMN1 (SMA) FMR1-Gen (fraX, POF, FXTAS) Charcot-Marie-Tooth-Erkrankung Cardiolipin (CMT) + 3 more
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Universitätsklinikum Aachen AöR (Uniklinik RWTH Aachen) Labordiagnostisches Zentrum

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Universitätsklinikum Aachen AöR (Uniklinik RWTH Aachen) Zentrum für Humangenetik und Genommedizin

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Universitätsklinikum Aachen AöR (Uniklinik RWTH Aachen) lnstitut für Transfusionsmedizin und Zelltherapeutika

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Universitätsklinikum Bonn Institut für Humangenetik

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Universitätsklinikum Bonn Institut für Klinische Chemie und Klinische Pharmakologie - Zentrallabor

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Universitätsklinikum Carl Gustav Carus Dresden an der Technischen Universität Dresden AöR Genetische Diagnostik

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angeborener Chromosomensatz Nummerische Veränderungen Chromosomen 13, 18, 21, X und ldentifizierung kleinster chromosomaler/numerischer + 3 more
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Universitätsklinikum Carl Gustav Carus Dresden an der Technischen Universität Dresden AöR Institut für Medizinische Mikrobiologie und Virologie

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Universitätsklinikum Carl Gustav Carus Dresden Institut für Klinische Chemie und Laboratoriumsmedizin

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Universitätsklinikum Carl Gustav Carus Dresden Laborbereich Hämatologische Diagnostik

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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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