
NM01SU2M3A3Dx6.4-105S
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OKO SU2M3A3Dx6.4-105S | 45-Degree Angle Surface Probe
Precision Eddy Current Inspection for Fillets and Corner Radii
The OKO SU2M3A3Dx6.4-105S is a high-precision Eddy Current (ECT) surface probe engineered specifically for detecting discontinuities in challenging geometries. Featuring a unique 45-degree angled tip and a 2 MHz operating frequency, this probe is the ideal choice for inspecting fillets, chamfers, and angled transitions where standard straight or 90-degree probes cannot provide optimal coil coupling.
Key Performance Features
2 MHz High-Frequency Sensitivity: Optimized for the detection of very fine, shallow surface-breaking cracks and fatigue flaws. This frequency provides a sharp phase angle for surface defects on both ferrous and non-ferrous materials.
Specialized 45-Degree Angled Tip: The "3A" designation indicates a 45° tip angle, allowing the sensing element to sit flush against angled surfaces and corner radii, ensuring maximum signal stability.
Compact 3 mm Tip Diameter: The small footprint of the sensing element allows for high-resolution inspection of intricate features and small-diameter components.
Precision 6.4 mm Drop Length: The "x6.4" dimension specifies the reach of the angled tip from the shaft, designed to navigate shallow grooves and weld toes without interference from the probe body.
Single-Coil Absolute Design: Provides straightforward flaw detection and is ideal for surface scanning, material sorting, and verifying conductivity variations.
Technical Specifications
| Feature | Specification |
| Model | SU2M3A3Dx6.4-105S |
| Manufacturer | OKOndt GROUP |
| Operating Frequency | 2 MHz |
| Tip Angle | 45° (Designation: 3A) |
| Tip Diameter (D) | 3.0 mm |
| Drop Length | 6.4 mm |
| Total Probe Length | 105 mm (approx. 4.1") |
| Coil Configuration | Absolute (Single Coil - "S") |
| Material Compatibility | Ferrous (Fe) and Non-Ferrous (NFe) |
| Connector Type | Standard Microdot |
Ideal Applications
Aerospace: Inspection of wing-stay fillets, turbine blade roots, and fastener hole chamfers.
Power Generation: Detection of stress corrosion cracking in flanged pipe transitions and valve seats.
Automotive: Quality control of machined engine components and steering knuckles.
General Fabrication: Surface crack detection in weld toes and radius-heavy cast parts.
