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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QUALILAB
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EN 12966: 2014 Section 4.5.4
DIN EN 55025: 2018
DIN EN 60068-2-30
(CISPR 25:2002) Section 6
ISO 11452-4: 2020
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DIN EN ISO 6508-1
ASTM E1019-24
ISO 13320
ISO 6892-2
(BS EN ISO 6892-1: 2019)
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Radiomotive
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ETSI EN 301 489-6
DIN EN 61326-2-6
IEC 61326-3-1
IEC 61326-3-2
IEC 60669-2-5
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ISO 15705
BS EN ISO 17294-2
BS EN 15662
DIN EN ISO 15587-2
ISO 21527-1
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SINT Technology
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ISO 20816-1
UNI 10478-2
ASTM E837-20
UNI 10478-4
ISO 20816-8
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DIN EN 1097-7
DIN EN 1097-6
DIN EN 933-10
DIN EN 933-8
DIN EN 1427
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ETSI EN 319 412
ETSI EN 319 401
ETSI EN 319 411-2
ETSI EN 319 411-1
TECNO PIEMONTE
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DIN EN 12457-2
DIN EN 16502
EPA 6020
DIN EN 1026
DIN EN 14902
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TENTAMUS AGRIPARADIGMA
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ISO 15705
EPA 8260
DIN EN ISO 10304-4
BS EN ISO 17294-2
DIN EN ISO 15587-2
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ISO 17704
BS EN ISO 14362-1
ISO 1841-2
BS EN ISO 14362-3
ISO 16181-1
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ASTM E 415 21
DIN EN 15266
ASTM D 1329
UNI EN ISO 22391
DIN EN ISO 10140-1
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IEC 60335-2-51
DIN EN 60068-2-30
DIN EN 60335-2-48
IEC 61000-6-1
IEC 60335-2-54: 2008
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ETSI EN 301 489-1: V2.2.3
IEC 62109-1
DIN EN 50178: 1998
IEC 61000-4-16: 2015
IEC 62109-2
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TUV Rheinland Italia
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IEC 60335-2-51
DIN EN 60068-2-30
IEC 61000-6-1
IEC 60335-2-54: 2008
DIN EN 50564
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Teslab Srl
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DIN EN 55014-1: 2018
DIN EN 50155
IEC 61000-4-16: 2015
DIN EN 61326-2-6
IEC 61326-1: 2012
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UL International Italia Srl
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DIN EN 60068-2-30
IEC 61000-6-1
AS/NZS CISPR 22:2006
IEC 61000-6-2: 2005
ETSI EN 303 446-2
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IEC 62109-1
IEC 61400-21-1
IEC 62109-2
DIN EN 60598-2-4
DIN EN 60068-2-30
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DIN EN 60601-2-18
DIN EN 55014-2: 2016
IEC 61326-1: 2012
DIN EN 60601-2-2
IEC 61000-6-1
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ISO 10195
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DIN EN ISO 3377-1
DIN EN ISO 11642
DIN EN ISO 17228
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DIN EN ISO 11546-1
UNI EN ISO 9295
DIN EN ISO 11957
ISO 354
ISO 3741
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DIN EN 12208
DIN EN 12207
DIN EN 12428
DIN EN ISO 10077-1
DIN EN 12210
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