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

Showing 1,501–1,525 of 1,817 labs

UKAS 0249 Kenilworth, GB
LENGTH LENGTH (cont’d)
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DAkkS D-K-18223-01-02 Ilmenau, DE
Masse oder Konventioneller Wägewert/ Massenormal *) > 1 mg + 3 more
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DAkkS D-K-17246-01-00 Berlin, DE
Railway brake — magnetic track brakes (U Kraft (WPM) Länge (WPM) a) nur Vor-Ort-Kalibrierungen Vickers hardness test (ISO 6507) + 3 more
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Torquemeters

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UKAS 6772 Ravensthorpe, GB
ELECTRICAL TORQUE
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UKAS 27642 Somerset, GB
ISO 14644-3 BS EN ISO 14644-2:2015:Part 2 DIN EN 12469 BS EN ISO 14644-1:2015 BS EN ISO 14644-4:2022 + 3 more
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DAkkS D-PL-11203-01-01 Hamburg, DE
DIN EN 55016-2-1 DIN EN 55016-2-2 DIN EN 55016-2-3: 2020 DIN EN 61000-2-2 IEC 61000-4-2: 2008 + 3 more
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Trescal

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DAkkS D-K-15015-01-01 Darmstadt, DE
- Gleichspannung / Messgeräte 10 V; 100 V; 1000 V > 100 mV > 0,22 V + 3 more
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UKAS 8188 Sunderland, GB
Analysts’ Guide (HSG 248) (PCM) based on HSG 248
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DAkkS D-PL-18879-02-01 Solingen, DE
ASTM B 571 DIN EN ISO 2819 DIN EN ISO 4628-4 DIN EN ISO 4628-8 DIN EN ISO 4628-10 + 3 more
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UKAS 0716 Gorton, GB
including dial and digital LENGTH (cont’d) Plain plug gauges (taper) ANCILLARY MEASUREMENTS Plain ring gauges (taper) + 3 more
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UKAS 0566 Jarrow, GB
Micrometers See Notes 3 and 5 See Note 6 Caliper length bars) – See Note 5 + 3 more
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ENAC LE2354 Noáin, ES
UNE-EN 60903 UNE-EN IEC 61243-1 UNE-EN 50508 UNE 204001 UNE-EN 61111 + 2 more
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DAkkS D-PL-12007-02-05 Essen, DE
IEC 61000-4-39 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 VDE 0847-4-4 + 3 more
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DAkkS D-K-11109-01-02 Essen, DE
positiven Überdruck positiver Überdruck - Gleichstromstärke Kraft Schließ- und + 3 more
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DAkkS D-PL-11109-01-06 Essen, DE
ISO 26262-2 ISO 26262-3: ISO 26262-4 ISO 26262-5 ISO 26262-6 + 3 more
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RvA I167 Son En Breugel, NL
DIN EN ISO 17232 DIN EN 14960 NEN 3140 #EN ISO 5164:14 EN 1069 + 3 more
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DAkkS D-PL-11074-07-01 Essen, DE
DIN EN 10306 DIN EN 1048 DIN EN 1216 DIN EN 14511-3 DIN EN 14825 + 3 more
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DAkkS D-PL-14334-01-00 Hamburg, DE
DIN ISO 16000-3 DIN ISO 16000-6 DIN ISO 16000-13 DIN ISO 16000-18 DIN ISO 16000-20 + 3 more
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DAkkS D-PL-11120-02-01 Köln, DE
DIN CEN/TS 17021 (DIN SPEC 33976) DIN EN ISO 3745 DIN EN 12102-1 DIN EN 12102-2 DIN 45635-1 + 3 more
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DAkkS D-PL-11120-04-00 Köln, DE
DIN EN 12897 DIN EN 15332 DIN SPEC 1101 DIN EN 303-5 DIN EN 13126-19 + 3 more
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DAkkS D-PL-11052-01-03 Köln, DE
IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-6 IEC 60068-2-14 DIN EN 60068-2-14 + 3 more
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DAkkS D-PL-11052-03-01 Halle/Saale, DE
DIN EN 50178: 1998 DIN EN ISO 179-1 ISO 21527-1 ISO 21527-2 DIN EN ISO 527-3 + 3 more
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DAkkS D-K-11165-01-02 Köln, DE
motoren Gaskonzentration Kohlenstoffmonoxid CO Kohlenstoffdioxid Kohlenstoffdioxid CO2 + 3 more
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DAkkS D-PL-11165-04-03 Berlin, DE
IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-14 DIN EN 60068-2-14 IEC 60068-2-30 + 3 more
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DAkkS D-PL-14169-03-03 Nürnberg, DE
DIN EN 71-10 DIN EN 62321-2*VDE 0042-1-2 DIN EN 1264-5 DIN EN 13647 DIN EN 16889 + 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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