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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LEGNOLEGNO S.C.

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ACCREDIA 01379 Correggio, IT
DIN EN ISO 10140-2 DIN EN ISO 10077-1 DIN EN ISO 10077-2 DIN EN ISO 717-1 DIN EN 12208 + 3 more
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LGA Bautechnik GmbH Bautechnisches Prüflabor

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DAkkS D-PL-11117-01-00 Nürnberg, DE
DIN EN 62196-1: 2015 DIN EN 196-3 DIN EN 413-2 DIN EN 1308 DIN EN 300 132-3: 2005 + 3 more
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LGA Immissions- und Arbeitsschutz

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DAkkS D-PL-17126-01-00 Nürnberg, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3 DIN 45645-2 DIN ISO 12884 + 3 more
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LGAI TECHNOLOGICAL CENTER, S.A. (APPLUS+)

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ENAC LE894 Bellaterra, ES
UNE-EN 12015 UNE-EN 50065-1 UNE-EN IEC 61000-6-4 UNE-EN IEC 61000-6-3 UNE-EN 61000-6-3 + 3 more
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LIFEANALYTICS

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ACCREDIA 00113 Oderzo, IT
ISO 15705 DIN EN ISO 10705-2 ISO 15923-1 DIN EN ISO 10304-1 DIN EN ISO 9377-2 + 3 more
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LILANO

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COFRAC 1-2080 Saint Lo, FR
DIN EN ISO 4833-1 based on ISO 13366-2:2006 DIN EN ISO 5534 ASTM D 7238 ISO BS EN 3727-1:2002 + 3 more
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LINDE GAS ESPAÑA, S.A. (Unipersonal)

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ENAC LC10.040 Rubí, ES
10 · 10-6 mol/mol  C  20 · 10-6 mol/mo 10 · 10-6 mol/mol  C  5000 · 10-6 mol/ 1 · 10-6 mol/mol  C  10 · 10-6 mol/mol 1 · 10-6 mol/mol  C  5 · 10-6 mol/mol 10 · 10-6 mol/mol  C  100 · 10-6 mol/m + 3 more
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LNE - Laboratoires de Trappes

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COFRAC 1-0606 Trappes Cedex, FR
DIN EN ISO 2505 ISO 18553 AMD 1 DIN EN 12099 ISO 13480 ISO 6964 + 3 more
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LNE - Site de Nîmes

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COFRAC 1-5638 Nimes, FR
IEC 60068-2-6 DIN EN-60068-2-6
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LRQA Nederland

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RvA I081 Rotterdam, NL
NEN 3650-2 NEN 3650-1 NEN 3650-3 NEN 3651 NPR 3659
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Labor 28 MVZ

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DAkkS D-ML-17085-01-00 Berlin, DE
Thrombozytenfunktionstest 5-Hydroxyindolessigsäure Amiodaron, Desethylamiodaron Tricyclische Antidepressiva Kohlenhydratdefizientes + 3 more
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Labor Augsburg MVZ

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Thrombozytenaggregation a-Hexachlorcyclohexan 2-Butanon Aceton Benzol + 3 more
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Labor Becker MVZ e

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Drogenscreening-Qualitativer Anti-HCV-Bestätigungstest Benzodiazepine, Kokain, Opiate, Buprenor Organische Säuren Neuroleptika, Antidepressiva + 3 more
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Labor Berlin - Charité Vivantes

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DAkkS D-ML-13440-03-01 Berlin, DE
Thrombozytenaggregation (ADP, ASPI, TRAP) Oligosaccharide Aceton Ethanol + 3 more
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Labor Berlin - Charité Vivantes Services

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DAkkS D-ML-19677-01-01 Berlin, DE
Thrombozytenaggregation (ADP, ASPI, TRAP) Oligosaccharide Aceton Ethanol + 3 more
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Labor Brunner, Labormedizinisches Versorgungszentrum Konstanz

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Ampicillin Cefepim Ceftazidim HbA1c Katecholamine + 3 more
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Labor Fenner und Kollegen Medizinisches Versorgungszentrum für Labormedizin und Humangenetik

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qualitative Bestimmung von Antidepressiva, Cocain, Designerdrogen u Mitogenen, Medikamenten 5-Hydroxyindolessigsäure HbA1c + 3 more
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Labor Heidrich & Kollegen MVZ

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Thrombozytenfunktion Cyclosporin A Everolimus Lacosamid Lamotrigin + 3 more
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Labor Krause & Kollegen MVZ

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DAkkS D-ML-18018-01-00 Kiel, DE
10-Hydroxy-Carbamazepin 9-Hydroxyrisperidon Amiodaron, Desmethylamiodaron Amisulprid Aripiprazol + 3 more
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hCG (qualitativ) Freie Fettsäuren gamma-Linolensäure, Arachidonsäure (AA) Katecholamine VMS, 5-HIES, HVS + 3 more
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Labor von Froreich

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10-OH-Oxcarbazepin Antiepileptika: Berechnung Medikamente Carbamazepin-epoxid Cyclosporin A + 3 more
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Differentialblutbild Automat Eosinophile, Basophile, Normoblasten, so Hämoglobin Natriumchlorid Glucose + 3 more
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DAkkS D-ML-18419-01-00 Lübeck, DE
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Labor G. Enders MVZ Gesellschaft bürgerlichen Rechts

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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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