Scope
ISO 7626-5
Experimental Modal Analysis Using Impact Excitation
This test method characterises the dynamic properties of structures through experimental modal analysis using impact hammer excitation. The method measures natural frequencies, damping ratios, and mode shapes by striking the structure and recording the resulting vibration response. It is widely used in aerospace, automotive, civil engineering, and mechanical equipment development to validate structural designs and identify potential vibration issues. Accreditation ensures proper instrumentation calibration, correct measurement methodology, and reliable data interpretation for safety-critical applications.
What it measures
- Natural frequencies (modal frequencies)
- Damping ratios (modal damping)
- Mode shapes (displacement patterns)
- Frequency response functions (FRF)
- Coherence and data quality metrics
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DIN EN ISO 7626-1
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BS EN ISO 7626-1
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NF EN ISO 7626-1
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UNI EN ISO 7626-1
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UNE EN ISO 7626-1
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NEN EN ISO 7626-1
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DIN EN ISO 7626-2
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BS EN ISO 7626-2
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NF EN ISO 7626-2
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UNI EN ISO 7626-2
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UNE EN ISO 7626-2
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NEN EN ISO 7626-2
1,817
Accredited labs
19
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IEC 61400-11:2012/ AMD:2018
IEC 61400-12-2
IEC 61400-50-2
IEC 61400-12-1
IEC 61400-12-3
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BIOTECNAL
Active
UNE-EN ISO 6579-1
UNE-EN ISO 6222
UNE-EN 26777
UNE-EN ISO 7027-1
en 31-7-79 (BOE 29-08-79)
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UNE-EN 13284-2
UNE-EN 15259
UNE-EN 16911-2
UNE-EN 13284-1
UNE EN 1911
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CANAGROSA LAB&SERVICES
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ISO 2808
ISO 48-4
UNE-EN ISO 2808
ISO 2409
UNE-EN ISO 2360
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DIN EN 13260
DIN EN 13261
DIN EN 13262
Railway end stop systems (EN 14752)
Railway vehicle body structural requirem
+ 3 more
UNE-EN 60567
IEC 60814
UNE-EN 61198
IEC 60247
UNE-EN 61619
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OM H-3 based on ISO 9698:2019
ISO 13164-4
SM 3111
UNE-EN ISO 13160
ISO 10704
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UNE-EN ISO 5667-19
UNE-EN ISO 16665
UNE-EN 19493
SM 2510 B
SM 4500 H+
UNE 7027-1
UNE 7887
SM 4500-NO B 2
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UNE-EN 136
UNE-EN 148-1
UNE-EN 140
UNE-EN 149
UNE-EN 13274-7
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CIRCUTOR, S.A. (Unipersonal)
Active
UNE-EN 61000-4-2
UNE EN 61000-4-5
UNE-EN 55016-2-1
UNE-EN 61000-4-11
UNE-EN 61000-4-8
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CLOVER TECHNOLOGIES
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ISO/IEC 15408-3
ISO/IEC 15408-1
ISO/IEC 15408-2
ISO/IEC 15408-4
ISO/IEC 15408-5
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CEM EL-020
EURAMET cg-17
CEM EL
CEM ME-004
EURAMET cg-11
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UNE 118019
UNE 118012
ISO 22980
UNE 118020
UNE 118021-2
CONSORCI DE MEDI AMBIENT I SALUT PÚBLICA DE LA GARROTXA (SIGMA) LABORATORI POLIVALENT DE LA GARROTXA
Active
SM 3111 B
SM 3500-K B SM 3500-Na B
SM 2330 B
SM 3113 B
UNE-EN ISO 8467
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UNE-EN 60068-2-6
UNE-EN 60068-2-64
ISO 16750-2: 2012
Vibration and shock — experimental modal
UNE-EN 60068-2-38
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UNE-EN 13284-2
UNE-EN 15259
UNE-EN 13284-1
UNE ISO 9096
UNE-EN 14181 (1)
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IEC 61730-2
IEC 61215-1-2
IEC 61215-2
IEC 61215-1-3
IEC 61215-1-4
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SM 5210 D
UNE-EN ISO 27888
SM 5220 D
SM 2130 B
UNE-EN ISO 11885
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SM 2510
UNE-EN ISO 8467
SM 4500 H+
UNE-EN ISO 7027-1
UNE-EN ISO 9963-1
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ENSATEC, S.L. (Unipersonal)
Active
UNE-EN 12211
UNE-EN 12210
UNE-EN 1026
UNE-EN 12207
UNE-EN 14608
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ISO 1496-1
ISO 1496-3
ISO 1496-2
ISO 1496-4
ISO 1496-5
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