Scope
ISO 7626-2
Experimental Modal Analysis – Single-Point Excitation
ISO 7626-2 describes procedures for experimental modal analysis using single-point, single-axis excitation to characterise the dynamic properties and natural frequencies of structures and machines. This test method captures frequency response functions and mode shapes essential for structural design validation, vibration control, and fault diagnosis. Aerospace, automotive, civil engineering, and machinery manufacturers use modal analysis to refine designs and understand dynamic behaviour under operational loads. Accreditation ensures rigorous application of measurement protocols and data quality standards supporting engineering confidence in structural performance predictions.
What it measures
- Frequency response functions (FRF) over specified frequency range
- Natural frequencies (resonances) and modal damping ratios
- Mode shapes and structural deflection patterns
- Coherence and measurement quality indicators
- Dynamic stiffness and impedance characteristics
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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 7626-5
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BS EN ISO 7626-5
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NF EN ISO 7626-5
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UNI EN ISO 7626-5
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UNE EN ISO 7626-5
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NEN EN ISO 7626-5
1,817
Accredited labs
19
Countries
Showing 51–75 of 386 labs
(HSG 248) – 2021
QOP03 based on HSG 248
(PCM) based on HSG 248
(PCM) based on HSG 248)
QOP01 based on HSG 248
+ 1 more
Asbestos Solution Providers
Active
(HSG 248) – 2021
(PCM) based on HSG 248
(HSG 264, 2012)
Asbestos Survey & Management
Active
QOP03 based on HSG 248
QOP01 based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
AstraZeneca UK
Active
DC CURRENT
AC VOLTAGE (continued)
AC CURRENT
AC Voltage
DIMENSIONAL
+ 3 more
Analysts’ Guide (HSG 248)
(HSG 248) – 2021 Asbestos: The
(PCM) based on HSG 248
Axis Test Laboratories
Active
IEC 60068-2-2
IEC 60945
IEC 60068-2-30
EN 50556:2018
MIL-STD 810G Method 520 &
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Ayerst Environmental
Active
(HSG 248) – 2021 )
(PCM) based on HSG 248
Surveying) based on HSG 248
MIL-STAN 810H:2019
DIN EN 60068-2-64
DIN EN 60068-2-30
MIL-STAN 810G:2010
DIN EN 60068-2-78
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BASEC Group
Active
BS 4553-1:1998
BS 4553-2:1998
BS 4553-3:1998
BS 5308-1: 1986 (withdrawn)
BS 5308-2: 1986 (withdrawn)
+ 3 more
BOC
Active
DIN EN ISO 18119
BS EN ISO 10460:2018
BS EN ISO 11623:2015
BS EN 15888:2014
BS EN 14876:2007/Internal proceduresDiss
+ 2 more
BS EN ISO 10140-2:2021
BS EN ISO 10140-3:2021
BS EN ISO 717-2:2020
ISO 7171
BS EN ISO140-3:1995 (withdrawn)
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Babcock Marine [Rosyth]
Active
(HSG 248) – 2021
14B based on HSG 248
DIN EN 12021
14A based on HSG 248
(PCM) based on HSG 248
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