U41
U41 is Eddyfi's modern subsea True ACFM® platform for detection and sizing of surface-breaking cracks in offshore structures. It supports diver and ROV deployments and provides improved acquisition speed, higher data quality and simplified inspection workflows.
- Umbilical Length
- 450 m
- Probe Connections
- 3
- Data Resolution
- 14×
- Models Available
- 4
Umbilical Length
Probe Connections
Data Resolution
Models Available
About theU41
U41 is Eddyfi's modern subsea True ACFM® platform for detection and sizing of surface-breaking cracks in offshore structures. It supports diver and ROV deployments and provides improved acquisition speed, higher data quality and simplified inspection workflows.
What sets theU41 apart
True ACFM Technology
True ACFM® for reliable detection of surface-breaking cracks.
Accurate Crack Sizing
Accurate crack length and depth sizing without calibration on every defect.
Inspection Through Coatings
Inspect through coatings without removal, reducing downtime.
Long Umbilical Reach
Up to 450 m umbilical length for deep subsea deployments.
Multi-Probe Operation
Simultaneous connection of 3 probes for productive inspections.
Assist3 Reporting
Assist3 software for analysis and streamlined reporting.
Improved Signal Quality
Improved signal quality with 14× increase in data resolution.
Faster Acquisition
10× faster acquisition electronics for higher productivity.
On-Probe Configuration
Probe configuration stored directly on the probe.
Diver & ROV Operations
Supports both diver and ROV deployment workflows.
Where theU41 is used
- Structural Node Welds
- Jackets
- Pipelines
- Caissons
- Spudcans
- Mooring Chains
- Offshore Structures
- Subsea Weld Inspection
Product imagery
Product videos
Official brochures
U41 — Product Brochure
Additional documents
U41 — User Guide
U31 vs U41 — Comparison Guide
ACFM Probe Catalog — Black Probes 2025
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Comparable systems we also represent. If your application requires a different balance of speed, resolution or footprint, these are worth reviewing.
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CompareHow EMUS supports this
Equipment is only part of the answer. Every system we supply is backed by regional engineering, service and application support.
Mechanical, electrical, environmental setup done right the first time.
Qualification and acceptance testing against real criteria.
Operator and application training built around your parts.
Traceable calibration to keep measurements audit-ready.
Preventive and corrective service across the Balkan region.
Method development and problem-solving with our engineers.
Eddyfi Technologies
U41 is part of the Eddyfi Technologies portfolio, represented by EMUS across the Balkan region.
Application Notes & resources
2 application notes and related technical literature for U41.
Subsea Weld Inspection
Diver-deployed ACFM on offshore structures.
Monopile & Offshore Structure Inspection
ACFM inspection of monopiles and jackets.
Request an Engineering Consultation
Talk to an EMUS engineer about theU41 and whether it fits your inspection workflow.