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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cdf Schallschutz, Dieter Friedemann

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DAkkS D-PL-19426-01-00 Dresden, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3 DIN EN 61400-11
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cetecom advanced

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DAkkS D-PL-12047-01-01 Saarbrücken, DE
ISO 7637-1 ISO 7637-2 ISO 7637-3: 2016 ISO 10605 ISO 11452-2: 2019 + 3 more
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crashtest-service.com

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DAkkS D-PL-17359-01-00 Münster, DE
DIN EN 1317-1* DIN EN 1317-2* DIN EN 1317-3* DIN V ENV 1317-4* DIN CEN/TS 1317-7* + 3 more
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duagon Germany

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DAkkS D-PL-20957-01-00 Nürnberg, DE
IEC 61000-6-1 IEC 61000-6-2: 2005 DIN EN 50155 VDE 0115-200 DIN EN 50121-3-2 + 3 more
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enveon

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DAkkS D-PL-21616-01-01 München, DE
VDE 0468-2-1 IEC 60068-2-1 VDE 0468-2-2 IEC 60068-2-2 DIN EN 60068-2-14 + 3 more
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esz AG calibration & metrology

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DAkkS D-K-15019-01-01 Landkreis Fürstenfeldbruck, DE
Hochspannung - Wechselspannung Bereiche Rechteckspannung Amplitudenparameter + 3 more
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eumetron

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DAkkS D-K-15151-01-01 Aalen, DE
− Durchmesser − Parallelendmaße − Formabweichung − Strichmaße, Abstände − Virtuelle Koordinatenmessgeräte + 3 more
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eurofins Umwelt West

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DAkkS D-PL-14078-01-03 Wesseling, DE
DIN 19698-1 DIN 19698-2 DIN ISO 11464 DIN EN ISO 54321 DIN EN 12457-4 + 3 more
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europascal

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DAkkS D-K-15055-01-01 Hanau, DE
- Gleichspannung / Messgeräte > 0 V > 0,22 V > 2,2 V + 3 more
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halstrup-walcher

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DAkkS D-K-21048-01-00 Kirchzarten, DE
Positiver und negativer Positiver Überdruck p e 1) In den CMC sind die erweiterten Messu
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hils consult GmbH, Ingenieur-Büro für Bauphysik

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DAkkS D-PL-19499-01-00 Kaufering, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3
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iKM Service

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DAkkS D-K-21115-01-00 Zwickau, DE
Industrielle Messtechnik ≤ 860 mm GmbH, Oberkochen, D
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iLF Magdeburg

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DAkkS D-PL-18869-01-01 Magdeburg, DE
DIN EN ISO 9117-3 DIN EN ISO 9117-5 DIN EN ISO 1463 DIN EN ISO 2808 DIN EN ISO 2178 + 3 more
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ifm prover gmbh Sensorik für die Prozeß- und Verfahrenstechnik

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DAkkS D-K-17060-01-00 Tettnang, DE
Taupunkttemperatur –0,91 bar bis Positiver und negativer Überdruck p *) (ein- oder mehrgängige + 3 more
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ift Rosenheim

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DAkkS D-PL-11349-01-01 Rosenheim, DE
ASTM E 330/E 330M ASTM E 283/E283M DIN 4103-1 DIN 68706-1 UNE-EN 12211 + 3 more
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iki Institut für Krankenhaushygiene und Infektionskontrolle

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DAkkS D-PL-21129-01-03 Gießen, DE
DIN EN ISO 5667-1 (A 4) DIN ISO 5667-5 (A 14) DIN EN ISO 5667-3 (A 21) DIN EN ISO 19458 (K 19) DIN 19643-1 + 3 more
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imat-uve

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DAkkS D-PL-14052-01-01 Mönchengladbach, DE
ISO 3795 DIN 75200 VDA 675-130 DIN 53438-1 DIN 53438-2 + 3 more
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imb-dynamik GmbH Ingenieurbüro für Erschütterungen und Baudynamik

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DAkkS D-PL-20493-01-00 Herrsching, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3
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imetrologie GmbH Institut für Metrologie und Prozesstechnologie

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DAkkS D-K-15219-01-02 Helmstadt, DE
Taupunkttemperatur fixpunktzellen Railway braking — urban guided transport Railway vehicle body structural requirem SPRT-Sensor + 3 more
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innomatec Mess- und Schnellanschluss-Systeme

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DAkkS D-K-19194-01-00 Idstein, DE
Absolutdruck p abs > 0,8 bar > 1,2 bar > 20 bar + 3 more
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iocto

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DAkkS D-K-21204-01-00 Hofheim am Taunus, DE
Taupunkttemperatur direktanzeigende −45 °C Railway vehicle body structural requirem Widerstandssensor direktanzeigende > 200 °C + 3 more
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iwis mobility systems GmbH & Co. KG iTC - iwis Test Center iwis Werk München

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DAkkS D-PL-23162-01-01 München, DE
VDE 0468-2-1 DIN EN IEC 60068-2-38 IEC 60068-2-2 DIN EN-60068-2-1 IEC 60068-2-30 + 3 more
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labopart - Medizinische Laboratorien

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DAkkS D-ML-13309-01-00 Dresden, DE
Basophile Eosinophile Erythrozyten Hämatokrit Leukozyten + 3 more
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Infektiologikum Fachärzte für Innere Medizin, Mikrobiologie, Virologie und Infektionsepidemiologie sowie Laboratoriumsmedizin

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DAkkS D-ML-19652-01-00 Frankfurt, DE
Großes Blutbild TSH Immunglobulin E 25-OH-Vitamin D Vitamin B12 + 3 more
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materia services

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DAkkS D-K-22604-01-01 Neumünster, DE
Kraft (WPM) Vibration measuring instruments — test m Werkstoffprüfmaschinen Acoustics — tonality assessment (DIN 456 Measurement of traffic noise immissions + 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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