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 526–550 of 1,591 labs
GRAVICAL
Active
Innen- und Tiefenmaße
Konventioneller
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
Radiated emissions (CISPR 32)
+ 1 more
GTM Testing and Metrology
Active
Vickers hardness test (ISO 6507)
Kraft
Kraftaufnehmer und
Sound power — survey method (ISO 3746)
0,2 MN
+ 3 more
9,8 L ≤ V ≤ 10,2 L (25 L/h ≤ Q ≤ 500 L/h
98 L ≤ V ≤ 104 L (250 L/h ≤ Q ≤ 5000 L/h
970 L ≤ V ≤ 1005 L (2500 L/h ≤ Q ≤ 20000
1305 L ≤ V ≤ 1350 L (5000 L/h ≤ Q ≤ 8000
2660 L ≤ V ≤ 2700 L (5000 L/h ≤ Q ≤ 1000
DIN 30655-1
DIN 30655-2
DIN 3590-1
DIN 3590-2
DIN 30652-2
+ 3 more
Anti-Müller-Hormon
Androstendion
CA 125
Cortisol
DHEA-S
+ 3 more
Azoospermie (AZF-Mikrodeletionen)
Fragiles X-Syndrom (FMR1)
Chorea Huntington (HTT)
Spinocerebelläre Ataxie Typ1
(ATXN1); Typ 2 (ATXN2); Typ 3
+ 3 more
Gerico Lab Srl
Active
ETSI EN 319 412
ETSI EN 319 401
ETSI EN 319 411-2
ETSI EN 319 411-1
Gerinnungszentrum Rhein-Ruhr
Active
Thrombozytenaggregation
Epinephrin-Ristocetin) nach
Verschlusszeitbestimmung
Kollagen / ADP, PFA-Kollagen
Epinephrin, PFA-P2Y)
+ 3 more
Gesellschaft für Materialforschung und Prüfungsanstalt für das Bauwesen Leipzig mbH - MFPA Leipzig
Active
ISO 1920-4
DIN EN 480-11
DIN EN 12350-1
DIN EN 12350-3
DIN EN 12350-6
+ 3 more
Aktivator ADP / Epinephrin
Thrombozytenfunktionstest
Basophile Leukozyten, absolut
Basophile Leukozyten
Eosinophile Leukozyten
+ 3 more
Gigahertz Optik
Active
spektrale
Mikrofonempfindlichkeit
Photodioden
1 µA/W
Bestrahlungsstärke
+ 3 more
Glasgow City Council
Active
(HSG 248) – 2021
staining based on HSG 248
F2011 (BS 696:Part 2:1989)
F0131 (BS 1741:10-1:1989) using
F0008 (BS 696:Part 2:1989) using
+ 3 more
Glenair UK
Active
IEC 60068-2-14
IEC 60068-2-30
IEC 60068-2-2
IEC 60068-2-64
IEC 60068-2-1
+ 3 more
DIN EN 55011: 2018
AS/NZS CISPR 11:2004
IEC/CISPR 13
DIN EN 55013
AS CISPR 11:2017
+ 3 more
Gontermann-Peipers
Active
DIN EN ISO 16810
DIN EN ISO 16823
DIN EN ISO 16826
DIN EN ISO 16827
DIN EN 12680-1
+ 3 more
DIN 38402-A 12
DIN 38402-A 13
DIN 38402-A 15
DIN EN ISO 5667-6 (A 15)
DIN 38402-A 30
+ 3 more
Gully Howard Technical
Active
HSG 227 (2004))
(HSG 264, 2012)
HSG 264 (2012) and Appx. 3 of
Appendix 5 of HSG 227 (2004))
ASTM D3835-16
ASTM D6204-19a
ASTM D6601-19
ISO 11443
ASTM D1238-13
+ 3 more
Gütegemeinschaft Schlösser und Beschläge e.V. PIV Prüfinstitut Schlösser und Beschläge Velbert
Active
DIN EN 1026
DIN EN 1027
IEC 60512-15-3
IEC 60512-15-5
DIN EN 12179
+ 3 more
HAZET-WERK Hermann Zerver
Active
Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Drehmoment 2 N·m
Handbetätigte
20 N·m
+ 3 more
Verschlusszeit (ADP, Epinephrin, P2Y12)
HCG, ß-HCG
PF4/Heparin-Komplexe
induzierte Thrombozytopenie, Test)
Differenzialblutbild (maschinell)
+ 3 more
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