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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COFRAC 1-2365 Chateaubourg, FR
NF EN 60068-3-6 NF EN 60068-3-5 NF EN 60068-3-11 DIN EN IEC 60068-2-38 NF EN 60068-3-7
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ACCREDIA 00540 Napoli, IT
DIN EN ISO 12945-2 DIN EN ISO 5403-1 DIN EN ISO 2060 DIN EN ISO 13937-1 DIN EN ISO 11642 + 3 more
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DIN EN 14511-2 DIN EN 14511-3 DIN EN 14511-4 DIN EN 14825 NF EN 16147
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1350 mm Innen- und Tiefenmaße * > 300 mm Tiefenmessschieber * 0 mm Höhenmessschieber * 0 mm + 3 more
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Berliner-Blau-Reaktion Naphthylacetat-Esterase Pappenheim-Färbung Peroxidase-Reaktion Schnellfärbung (Diff-Quick) + 3 more
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CRP Cystatin C HbA1c Großes Blutbild Kleines Blutbild + 3 more
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Plain plug gauges (parallel) length bars) LENGTH (continued) Micrometers (enzephalomyopathische Form + 3 more
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DIN EN 50178: 1998 DIN EN ISO 2813 DIN EN ISO 4628-4 DIN EN ISO 10456 DIN EN ISO 12572 + 3 more
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Drehmoment * 0,2 N∙m > 10 N∙m bis Kalibriereinrichtungen > 100 N∙m Drehmomentschlüssel, 0,2 N∙m + 3 more
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IEC 62570 DIN 13273-7
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on BS 4401:Part 3:1970(1986) ISO 936:1998 BS ISO 21528-2:2017 BS ISO 16649-2:2001 ISO 6888-1 + 3 more
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DAkkS D-K-20595-01-00 Kirchheim unter Teck, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Taupunkttemperatur direktanzeigende > 200 °C Widerstandssensor > 300 °C + 3 more
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UKAS 0199 Galdames Place, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004) Appendix 3 of HSG 227 (2004) (HSG 248) – 2021 (PCM) based on HSG 248 + 1 more
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DAkkS D-K-21976-01-01 Berlin, DE
Kraft (WPM) Vibration measuring instruments — test m nen nach DIN 51220 Länge (WPM) *) Vibration and shock — experimental modal + 3 more
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Großes Blutbild Kleines Blutbild Erythrozyten Hämoglobin Hämatokrit + 3 more
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Blutzellen Basophile Granulozyten Basophile Granulozyten, Eosinophile Gran Eosinophile Granulozyten, Erythrozyten, Basophile Leukozyten, absolut + 3 more
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Thrombozytenaggregation (Multiplate) Spezifisches Gewicht Aceton Benzol + 3 more
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MN (mononukleare Zellen) Blutbild klein Thrombozyten Hämoglobin Natriumchlorid + 3 more
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Basophile Eosinophile Erythrozyten Hämatokrit Hämoglobin + 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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