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
1,591
Accredited labs
17
Countries
Showing 626–650 of 1,591 labs
ITS Testing Services (UK)
Active
UK 3725 based on ASTM D2163
and BS EN 15984:2011-07
IP 411, ISO 6251
ASTM D6667 mod
ISO 8973 modified
+ 3 more
ISO 6508-1
Charpy impact test (ISO 148-1)
Tensile testing of metallic materials (I
BS EN ISO 9015-2
BS EN ISO 9016:2022
+ 3 more
IBL
Active
DIN EN ISO 6506-1
ASTM E 10
DIN EN ISO 6507-1
ASTM E 384
DIN EN ISO 6508-1
+ 3 more
- Gleichstromwiderstand
/ Messgeräte
Quellen
>100 Ω
> 10 kΩ
+ 3 more
DIN EN 10228-2
IEC 61000-6-2: 2005
IEC 61000-6-1
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
+ 3 more
DIN EN ISO 9614-3
DIN EN ISO 11200
DIN EN ISO 11202
DIN EN ISO 11203
DIN EN ISO 11205
+ 3 more
DIN 38402-A 11
DIN 38402-A 12
DIN 38402-A 13
DIN ISO 5667-5 (A 14)
DIN EN ISO 5667-6 (A 15)
+ 3 more
Ingenieurbüro g o e b e l
Active
DIN 56912
DIN EN 12198-1
DIN EN 12198-2
DIN EN 12198-3
DIN EN 60825-1
+ 3 more
DIN EN ISO 14419
DIN EN ISO 14045
DIN EN ISO 3071
DIN EN ISO 13934-1
NF EN 14325 (2004) – norme annulée
+ 3 more
DIN 38402-A 12
DIN ISO 5667-5 (A 14)
DIN EN ISO 5667-6 (A 15)
DIN EN ISO 19458 (K 19)
DIN 19643-1
+ 3 more
Basophile Granulozyten
Eosinophile Granulozyten
Erythrozyten
Lymphozyten
Leukozyten
+ 3 more
ISO 2178
ISO 4892-2: 2013-03
UNE-EN ISO 11998
BS EN ISO 16474-3:2021
ISO 6270-1
+ 3 more
Bacillus anthracis Antikörper
Direkter Coombstest polyvalent
Brucella spp. IgG, IgM Antikörper
Francisella tularensis-Antikörper
polyvalent, IgG, IgM
+ 3 more
CalTeC
Active
Kurzschlussstrom 0,5 mA
0,1 V
Füllfaktor Solarzellen* 25 %
0,01 mW
THD U 0,1 %
+ 3 more
DIN EN IEC 60255-1
VDE 0435-300
DIN EN 60255-151
VDE 0435-3151
IEC 60255-151
+ 3 more
Intek
Active
DIN EN 60068-2-30
IEC 62080
IEC 61000-6-1
IEC 61000-6-2: 2005
DIN EN 61010-1
+ 3 more
DIN EN 60068-2-30
IEC 60512-3-1
BS ISO 9227:2022
DIN EN 60068-2-78
DIN EN 13018
+ 3 more
Intertek Caleb Brett GERMANY
Active
DIN EN ISO 12185
ASTM D 4052
DIN EN ISO 3405
ASTM D 86
DIN EN 13016-1
+ 3 more
Intertek Consumer Goods
Active
IEC 62321-2
DIN EN 61340-4-4
DIN EN 12472
DIN EN 16711-1
DIN EN 1264-5
+ 3 more
Intertek Deutschland
Active
IEC 61000-3-2: 2014
IEC 61000-3-3
IEC 61000-3-11: 2017
IEC 61000-3-12: 2011
IEC 61000-4-2: 2008
+ 3 more
Intertek Polychemlab
Active
DIN EN ISO 10675-1
DIN EN ISO 19458
DIN EN ISO 179-1
NEN 6953
DIN EN ISO 10675-2
+ 3 more
IEC 60079-7
IEC 60730-2-2: 2005
DIN EN 60730-1: 2017
DIN EN IEC 60730-2-22
IEC 60079-0
+ 3 more
No matching labs found.