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-K-15034-01-01 Gevelsberg, DE
Gleichspannung 10 mV Quellen > 100 mV > 1 V > 10 V > 100 V + 3 more
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ASTM C 1166 IEC 60512-16-7 ID168 IEC 60512-16-9 AK gegen Sc1-70 + 3 more
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DAkkS D-ML-22411-01-00 Dresden, DE
Antikörper FILA-Klasse I Lymphozytäre Kreuzprobe E, -DRB1, -DQB1, -DPB1, DRB3/4/5, -DQA1, KIR MICA, MICB, CCR5832 + 3 more
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DAkkS D-PL-11035-01-02 Essen, DE
ID136 > 140 DIN EN 143 DIN EN ISO 21149 DIN EN 13274-1 + 3 more
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DAkkS D-PL-11035-06-00 Essen, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3
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DAkkS D-ML-21979-01-00 Hamburg, DE
HLA-Typsierung (HLA-B*27) Azoospermiefaktor (AZFa/AZFb/AZFc) Chorea Huntington (HTT) OMIM# 143100 + 3 more
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DAkkS D-K-11134-03-00 Kaiser-Wilhelm-Koog, DE
− Stromstärkeverhältnis - Gleichspannung / Messgeräte - Wechselspannung Gleichstromstärke > 100 µA + 3 more
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DAkkS D-ML-17345-01-01 Frankfurt, DE
Faktor-V-Mangel (F5 inklusive Thrombozyten, PAC-1 Bindung CASQ2, KCNJ2, CALM2, CALM3, TECRL ) dbSNP r6027 ) Kardiomyopathie (PKP2, DSG2, SCN5A ) + 3 more
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DAkkS D-ML-17345-01-00 Frankfurt, DE
aller Untersuchungsverfahren im flexible Webpräsenz des Medizinischen Laboratoriu (VWF:CB) vWF-Multimere Erythrozyten + 3 more
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DAkkS D-ML-13219-01-01 Dresden, DE
CD34+ Stammzellen Erythrozyten Hämoglobin Leukozyten Bakterien- und Hefezellen + 3 more
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DAkkS D-ML-13219-01-00 Dresden, DE
Akkreditierungsbereich. Die Liste ist Erythrozyten Leukozyten Hämatokrit Thrombozyten + 3 more
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DAkkS D-ML-13461-01-01 Bad Kreuznach, DE
AB0-System Isoagglutinine (Serumeigenschaften) Rh-Merkmal D Rh-Untergruppen + 3 more
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DAkkS D-ML-13327-01-00 Hagen, DE
AB0-Blutgruppen-Merkmale Isoagglutinine (Serumeigenschaften) Rhesusmerkmale K-Merkmale + 3 more
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DAkkS D-K-20506-01-01 Aachen, DE
am Standort DSA Daten- und Systemtechnik Schreibendes Bremsmessgerät (HU-Adapter) Beschleunigung + 1 more
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DAkkS D-PL-14555-02-01 Karlsruhe, DE
ASTM D 3227 DIN 3500 EN 14350-2 DIN EN 12350-9 DIN 53512 + 3 more
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DAkkS D-PL-12098-01-01 Karlsruhe, DE
(SPG42), SPAST (SPG4), SPG11, SPG7, VAMP DIN EN 30-1-1 DIN EN 30-1-2 DIN 13013 DIN 13014 + 3 more
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DAkkS D-K-23327-01-01 Bad Camberg, DE
Metrologic Group GmbH, nalen von: Wernau, D Neuss, D ≤ 1515 mm Wetzlar, D S.p.A., Turin, I + 3 more
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DAkkS D-PL-17009-06-00 Wiesbaden, DE
DIN EN 60950-1 EN IEC 62368-1 DIN EN 60204-1 DIN EN 60825-1 DIN EN 61010-1 + 3 more
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DAkkS D-PL-17009-02-00 Mainz, DE
DIN 31051 DIN EN 1005-1 DIN EN 1993-1-1 DIN EN 1993-1 DIN EN 1993-6 + 3 more
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DAkkS D-PL-17009-05-01 Haan, DE
DIN 58214 DIN EN 15443 Vitamin 812 DIN EN ISO 3960 ASTM D 3343 + 3 more
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DAkkS D-PL-17009-07-02 Köln, DE
IEC 60335-1: 2010 IEC 60335-2-29 DIN EN 60335-2-29 IEC 60335-2-65 DIN EN 60335-2-65 + 3 more
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DAkkS D-PL-17009-09-01 München, DE
DIN 4420-1 DIN 4420-3 DIN EN 61347-1 ISO 12117-2 DIN 53449 + 3 more
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DAkkS D-PL-17009-02-01 Mainz, DE
VDE 0113-201 VDE 0113-202 DIN EN 60204-1 EN 61508-1: VDE 0803-1 + 3 more
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DAkkS D-PL-17009-29-02 Langenhagen, DE
ID136 DIN EN 137 100 C>T, 124 G>A, 137_138 > 140 Amyloid β 1-42 + 3 more
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DAkkS D-PL-17009-01-01 Hamburg, DE
DIN EN ISO 15106-3 DIN EN ISO 1522 DIN 30720-1: 2016-02 DIN 30720-2: 2009-10 DIN 30722-1: 2021-12 + 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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