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 276–300 of 1,591 labs
Carl Zeiss Jena
Active
DIN EN 61010-1
VDE 0411-1
IEC 61010-1 : 2010
DIN EN 60825-1
VDE 0837
+ 3 more
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
Parallelendmaße * 40 mm
Parallelendmaße * ≥ 100 mm
Strichmaßstäbe 0 mm
+ 3 more
Cavendish Laboratories
Active
(cdt), Deletion an Pos 117
(HSG 248) – 2021
(PCM) based on HSG 248
BS 6068-4.12:1998 (withdrawn)
CeGaT
Active
angeborener Chromosomensatz
(Imbalancen im Genom, (Duplikationen/Del
SNRPN-Region 15q11-13 UPD15
(UBE3A)
SMN1; Spinale Muskelatrophie
+ 3 more
Cenata
Active
Pränatales Screening auf
Chromosomenstörungen
(Trisomie 21, Trisomie 18, Trisomie
13, X0, XXX, XXY, XYY, XXYY, 22q11 (DiGe
DIN EN 12207
DIN EN 12208
DIN EN 1026
DIN EN 12210
BS EN 14351-1:2006+A2:2016
+ 3 more
Chamois Metrology
Active
Calibration of pressure
Gas pressure (gauge)
Gas Pressure (Differential)
common mode pressure of 3.5
Hydraulic pressure (gauge)
+ 3 more
IEC 60068-2-1
IEC 60068-2-2
IEC 60068-2-14
IEC 60068-2-30
DIN EN 60068-2-30
+ 3 more
Whole genome sequencing (WGS:
SNV, CNV/SV)
CheckImmune
Active
Leukozytenzahl
B-Zellzahl (Immunstatus
Rezeptor-Besatz
HLA-DR
Leukozytensubpopulationen
+ 3 more
Chemring Countermeasures
Active
IEC 60068-2-2
BS 2011:2.1 Ca:1977
IEC 60068-2-30
MIL-STD 331B: 1994:
DIN EN 60068-2-78
+ 3 more
(HSG 248) – 2021
SRV-002 based on HSG 248
(PCM) based on HSG 248
CoMech Metrology
Active
Chronic progressive external
Depth
Internal
Dial gauges and dial test
Caliper
+ 3 more
Coesfeld
Active
Kraft (WPM)
Belastungseinrichtungen von
Werkstoffprüfmaschinen
Länge (WPM) 0,5 mm
messeinrichtungen von
+ 3 more
simulation.
parameters and ranges)
digital and analogue
Compli Group
Active
DC CURRENT
DC Resistance
Oscilloscope Calibration
DC VOLTAGE
CAPACITANCE
+ 3 more
Messgeräte 0,001 V
> 0,22 V
> 2,2 V
> 11 V
> 22 V
+ 3 more
BS EN ISO 16283-1:2014+A1:2017BS EN ISO
BS EN ISO 16283-2:2020
HTM 08-01 - 2013
BS EN ISO 140-4:1998
BS EN ISO 717-2:2020
+ 3 more
DIN EN 933-11
DIN EN 12390-3
DIN EN 933-3
DIN EN 12390-7
DIN EN 12697-5
+ 3 more
DC CURRENT
LENGTH
DC Resistance
DC VOLTAGE
Cold junction compensation
+ 3 more
No matching labs found.