Eddyfi Technologies|Pulsed eddy current probes

Pulsed Eddy Current Underwater Probes

Name: Pulsed Eddy Current Underwater Probes
Brand: Eddyfi Technologies

Underwater PEC probes used with Lyft measure remaining wall thickness beneath marine growth or coatings for offshore corrosion inspection at depths up to 100 m.

PEC

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Overview

Product overview

Pulsed Eddy Current Underwater Probes are diver-deployed sensors for assessing corrosion in submerged offshore components. Used with the Lyft PEC system, they measure remaining wall thickness beneath marine growth or coatings without requiring surface preparation.

The probes apply pulsed eddy current inspection to examine components through the material covering their surface. Small, Medium, and Large sizes provide different supported wall thicknesses, covering thicknesses, and inspection footprints; the Large probe supports walls up to 100 mm (4 in) thick and insulation or coatings from 0–300 mm (0–12 in).

Rated for depths of 100 m (330 ft), the probes offer 50 m (165 ft) or 100 m (330 ft) cables for subsea deployment. Embedded status LEDs help divers coordinate inspection activity with the topside team when examining risers, jetty piles, caissons, and underwater piping systems.

Key Features

Key capabilities

Inspection without surface preparation

PEC inspection measures remaining wall thickness beneath marine growth or coatings without surface preparation.

Subsea depth rating

The probes are watertight to 100 m (330 ft).

Embedded status LEDs

Probe-mounted LEDs improve diver control and synchronization with the topside inspection team.

Three probe sizes

Small, Medium, and Large probes support different wall thicknesses, covering thicknesses, and footprints.

Thick-wall inspection

The Large probe supports component wall thicknesses up to 100 mm (4 in).

Cable length choices

Cable lengths of 50 m (165 ft) and 100 m (330 ft) are listed.

Lyft operation

The underwater probes operate with the Lyft PEC system.

Specifications

Published technical specifications

Values as published by Eddyfi Technologies. Where models or variants differ, each is listed separately.

GENERAL

Probe sizes: Small; Medium; Large
Encoder: None (add-on only)
Depth rating: 100 m (330 ft)
Cable: 50 m (165 ft)
Cable: 100 m (330 ft)
Maximum surface temperature: Direct contact operation: 70°C (158°F)

Small

Supported wall thicknesses: Up to 19 mm (0.75 in)
Supported insulation/coating thicknesses: 0–76 mm (0–3 in)
Footprint at zero liftoff: 35 mm (1.38 in)

Medium

Supported wall thicknesses: Up to 75 mm (3 in)
Supported insulation/coating thicknesses: 0–200 mm (0–8 in)
Footprint at zero liftoff: 62 mm (2.4 in)

Large

Supported wall thicknesses: Up to 100 mm (4 in)
Supported insulation/coating thicknesses: 0–300 mm (0–12 in)
Footprint at zero liftoff: 100 mm (3.9 in)

Features

Marine growth depth: up to 305 mm (12 in)

Details

Insulation and marine growth thickness: as thick as 300 mm (12 in)

Options & accessories

Encoder (add-on only)

Documented compatibility

Lyft

Operating conditions & limits

Depth rating: 100 m (330 ft).
Maximum surface temperature for direct contact operation: 70°C (158°F).
Supported wall thickness and insulation/coating thickness depend on probe size.
Footprint values are specified at zero liftoff.
No encoder is provided except as an add-on.
The Features section states marine growth up to 305 mm (12 in), while Details states 300 mm (12 in) and the Large probe specification lists 0–300 mm (0–12 in) for insulation/coating thickness.