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 351–375 of 1,591 labs
IEC 60335-1: 2010
IEC 60335-2-29
DIN EN 60335-2-29
IEC 60335-2-65
DIN EN 60335-2-65
+ 3 more
DIN 31051
DIN EN 1005-1
DIN EN 1993-1-1
DIN EN 1993-1
DIN EN 1993-6
+ 3 more
DIN EN ISO 15106-3
DIN EN ISO 1522
DIN 30720-1: 2016-02
DIN 30720-2: 2009-10
DIN 30722-1: 2021-12
+ 3 more
DIN EN ISO 11357-4
IEC 61037
DIN EN ISO 13850
DIN EN ISO 13855
ISO 14119
+ 3 more
DIN 58620: 2007-02
DIN 58621: 2011-10
DIN 58647-7: 1997-12
ID136
> 140
+ 3 more
IEC 61400-12
IEC 61400-12-1
IEC 61400-12-2
IEC 61400-12-3
IEC 61400-12-5
+ 3 more
Railway brakes — conditions for homologa
− Durchfluss von Flüssigkeiten
− Strömungsgeschwindigkeit von Gasen
− Widerstandsthermometer
− Temperatur-Transmitter, Datenlogger
+ 3 more
ADP
ASPI
TRAP
Amiodaron, Desethylamiodaron
Mycophenolsäure
+ 3 more
AVS
Active
DIN EN 60068-2-64
DIN EN 61373
ECSS-E-ST-10-03C
DIN EN-60068-2-27
DIN EN-60068-2-6
Devonport Royal Dockyard
Active
Specific Values 1
RF Power
RF Attenuation 10 MHz to 1 GHz
Other values -20 dBm to +20 dBm
Devonport Royal Dockyard
Active
BS 4206:1967 (superseded)
ISO 5173
ISO 7438
BS EN ISO 9606-2:2004
BS 131-5:1965
+ 3 more
Diagenom
Active
Chromosomensatz (angeboren)
Chromosomensatz (erworben)
Adrenogenitales Syndrom
Angelman-Syndrom (15q11-Region, UBE3A)
Mikrodeletionen; AZFa-c)
+ 3 more
Diagnos MVZ
Active
HbA1c
Differentialblutbild, maschinell
Retikulozyten, maschinell
Kleines Blutbild
Thrombozyten
+ 3 more
Diehl Metering
Active
Volumen strömender 0,0005 m
− Durchfluss von Flüssigkeiten
0,025 m
Wasserzähler und 0,001 m
Durchflusssensoren
+ 3 more
Absolutdruck p *
Vickers hardness test (ISO 6507)
Flüssigkeitsvolumen *
variablem Volumen
aufnehmern sowie
+ 3 more
Staber & Kollegen
Active
Blutbild groß
Thrombozyten
Urinsediment
Natrium
Kalium
+ 3 more
Aminosäureprofil
Guanidinoacetat
Kreatin
Hämoglobinprofil
Nitisinon (NTBC), Succinylaceton
+ 3 more
Druck *
Negativer und
positiver Überdruck -0,01 bar
Positiver Überdruck p e
> 0,015 bar
+ 3 more
Duravit
Active
*6095991, BAG3 [OMIM *6038831
(-13910T>C) rs4988235
- PiM rs6647, PiZ rs28929474, rs17580
DIN EN 997
DIN EN 13407
+ 3 more
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
VDE 0468-2-1
VDE 0468-2-2
VDE 0468-2-6
DIN EN IEC 60068-2-11
DIN EN IEC 60068-2-13
+ 3 more
optische 0 mm
Werkzeugeinstell- und
/ Messgeräte
verwendete Abkürzungen:
No matching labs found.