Sonotec Application Notes
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Eddy Current Probes
Company: Olympus Scientific Solutions
Olympus offers more than 10,000 standard and custom-designed eddy current probes, standard references, and accessories. Eddy current probes can be designed to match the contours of a part or shaped to fit into a fixture for fast and accurate inspections.

Rotating Plastic Scanner Probes
Rotating plastic scanner probes feature a variety of expandable plastic-tip probes and stainless-steel backshell probes, including the SUB series, SPO-5965 series, SPO-3564 series, and standard series.

Manual Bolt Hole Probes
Manual bolt hole probe coils are positioned at right angles to the shaft direction. Rotate the probes by hand to inspect holes with the fasteners removed. Standard (fractional and metric) and custom-diameter probes are available with either absolute or differential coils.

Spot Probes
Spot probes are used for discovering flaws both on and below surfaces. Their large coil diameter and low frequency operation are advantageous for scanning larger areas and providing an increased detectable flaw size; typically equal to one-half of the probe diameter.

Weld Probes
Weld probes are designed to inspect ferrous welds. They provide a cost-effective alternative to magnetic particle inspection, which requires the part to be prepared (cleaned) prior to inspection.

Sliding Probes
Sliding probes are designed to inspect rows of fasteners. They operate in reflection mode and are used to find surface and near-surface flaws. Adjustable versions can accommodate different fastener sizes while fixed types are usually procedure specific.

Conductivity Probes
Conductivity probes are designed for sorting non-ferrous metals and determining the heat treatment condition or damage.

Right Angle Surface Probes
These probes have 90° tip and stainless steel shaft. Designed for general surface crack detection, these probes are available in a variety of lengths, coil configurations, drops, and connector options.

Straight Shaft Surface Probes
These are straight probes with a stainless steel shaft. Designed for general surface crack detection, these probes are available in a variety of lengths, coil configurations, and connector options.

Angle Shaft Surface Probe
With a 30° or 45° tip, these probes also feature a stainless steel shaft. Designed for general surface crack detection, these probes are available in a variety of lengths, coil configurations, drops, and connector options.

Flexible Shaft Surface Probes
These probes have a flexible copper shaft that can be bent to different shapes. Designed for general surface crack detection, these flexible surface probes are available in a variety of lengths, coil configurations, drops, and connector options.

Bent Shaft Surface Probes
Bent shaft surface probes are general-purpose stainless steel probes used for surface or near-surface crack detection. They are available in a variety of sizes, coil configurations, and connector options.

Pencil Surface Probe
Pencil surface probes are general-purpose plastic-tip probes used for surface or near-surface crack detection. They are available with various coil configurations and connector options. Pencil surface probes feature an adjustable collar for greater stability.

All Other Surface Probes
Specialized probe series include the pencil 3551l probe, blade probe, plastic-tip probe, finger probe, and spring loaded probe.

Rotating Stainless Steel Scanner Probes
The rotating stainless steel scanner probes include a range of all stainless steel probes, including the standard series and the SEU series.

All Other Scanner Probes
Our other rotating scanner probes include a variety of specialized scanner probes, such as the adjustable X type series, the adjustable Y type series, the countersink series, and the countersink stainless steel series.

Ring/Donut Probes
Ring/donut probes are made to fit various fastener head diameters. They’re typically used for subsurface crack detection with the fastener in place and are available in both bridge and reflection configurations.

Cables and Adaptors
Olympus manufactures high-quality cables and adaptors to fit with all eddy current probe models.
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