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
Countries
Showing 26–37 of 37 labs
SGS INTRON B.V
Active
NEN-EN 14227-2
DIN EN 933-1
DIN EN 1107-2
BS EN ISO 9606-1:2017
DIN EN 12390-3
+ 3 more
SHR
Active
DIN EN 1026
BS EN ISO 10077-1:2006
DIN EN 12211
DIN EN 1383
DIN EN 1027
+ 3 more
SKG-IKOB Certificatie
Active
DIN EN 1026
DIN EN 1629
DIN EN 12211
DIN EN ISO 13163
DIN EN 13241
+ 3 more
Sebert Trillingstechniek
Active
Clause 5, IEC 60068-2-31
IEC 60068-2-27
IEC 60068-2-64
IEC 60068-2-6
IEC 60068-2-27
IEC 60068-2-64
IEC 60068-2-6
TASS International
Active
DIN EN 1077
DIN EN 1385
DIN EN 12767
ISO 7176-19
DIN 51078
+ 2 more
DIN EN ISO 3596
DIN EN ISO 14780
BS ISO 18283:2022
DIN EN ISO 10893-6
DIN EN 61442
+ 3 more
The Auditing Company
Active
#EN ISO 5164:14
# EN 116-97
# ISO 13736
NEN 4400-1
#ISO 6618
TÜV NORD Nederland
Active
DIN EN ISO 17232
DIN EN 14960
NEN 3140
#EN ISO 5164:14
EN 1069
+ 3 more
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