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 126–150 of 1,817 labs
BS ISO 18283:2022
ASTM D2234 (location E)
ASTM D2013 (location B)
BS ISO 5074:2015; and
ASTM D409:2016
+ 3 more
Alleima
Active
DIN EN ISO 6506-1
ASTM E 10-18
DIN EN ISO 6508-1
ASTM E 18-22
DIN EN ISO 6507-1
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Allgäuer Messzentrum
Active
Durchmesser 1 mm
510 mm
Rundheitsabweichung 1 mm
Parallelitätsabweichung
Rundheitsabweichung
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Allied Aerosystems
Active
DC Resistance
2.92 mm systems (continued)
DC VOLTAGE
AC CURRENT
DC Power
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Alphatech
Active
BS 2011:2.1 Ca:1977
ISO 16750-3
DIN EN 60068-2-50
DIN EN 60068-2-51
ETSI EN 300 019-2-1:V2.1.2,V2.3.1
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5-Fluorouracil-Toxizität (DPYD)
Cowden-Syndrom (PTEN)
Diffuses Magenkarzinom (CDH1)
Hereditärer Brust- und
Eierstockkrebs (HBOC), (BRCA1, BRCA2, CH
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Cyclosporin A
Everolimus
FK 506 (Tacrolimus)
Sirolimus
6-Methylmercaptopurin
+ 3 more
Fra(X)-Syndrom, FXTAS (FMR1)
Friedreich Ataxie (FXN)
DRPLA (ATN1)
Huntington Krankheit (HTT)
Huntington-like (TBP, JPH3)
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Aldosteron
11-Desoxycorticosteron
11-Desoxycortisol
17-Hydroxypregnenolon
17-Hydroxyprogesteron
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Amentum Clean Energy
Active
OM H-3 based on ISO 9698:2019
ISO 9696:2017 and ISO
(HSG 248) – 2021
(PCM) based on HSG 248
staining based on HSG 248.
Amentums Materials Testing and Research Laboratory part of Energy Safety and Risk Consultants (UK)
Active
a) BS 7270:2006
b) BS 3518-3:1963 (Withdrawn)
ASTM E1820-18ae1 (Withdrawn)
ISO 6892-2
BS EN ISO 204
+ 2 more
IEC 60512-1-1
IEC 60512-1-2
IEC 60512-2-1
IEC 60512-2-2
IEC 60512-2-5
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DIN 19698-1
DIN 19698-2
DIN EN ISO 54321
DIN EN 1744-3
DIN EN 12457-2
+ 3 more
Anchem Laboratories
Active
(HSG 248) – 2021
ANC/AS/2 based on HSG 248
DIN EN 14791
IEC 60519-11
DIN EN 13284-1
+ 3 more
Andersen Caledonia
Active
requirements of HTM 01-06 Part E
35 °C/3 days based on HTM 2030
Part E, WHTM 01-06 Part E & BS EN
ISO 15883-4 using R2A and
Part E, HTM 0106 Part E, WHTM 01-
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Applus Netherlands
Active
DIN EN 16407-1
BS EN ISO 10675-1
ÖNORM EN ISO 17636-1
NEN-EN 12732
ÖNORM EN ISO 17636-2
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Aptiv Services Deutschland
Active
IEC 61000-4-2: 2008
IEC 61000-4-21
EN IEC 62311
ISO 11452-2: 2019
ISO 11452-4: 2020
+ 3 more
IEC 62752
IEC 61851-1: 2010
IEC 60068-2-1
IEC 60068-2-2
IEC 60068-2-6
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