Emerson

Roxar subsea FSM (Field Signature Method)

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Source: emerson.com (accessed 2026-10-16). Confirm specifications with the manufacturer before ordering.

Specifications

Vendor

Emerson

Brand / line

Roxar

Category

Corrosion probes

Class

Core integrity

Technique

Field Signature Method: injected current and electrode array (182 measuring electrodes) detect changes in electrical field pattern

Detects

wall losscorrosion ratecracking

Mounting

Non-intrusive, welded or flanged spool with ROV-connectable electronics and protection frame

Temperature range

-10 to 140 °C (FSM); RIU/NRIU electronics -10 to 70 °C

Communications

Wired (other)

Power

24 VDC (18-36) or 230 VAC; 15-30 W measuring, <1 W idle

Suitable assets

subseapipelineswellheads/flowlines

Notes

Design depth 3,000 m, design life 25 years, sensitivity 1/1000 of wall thickness for general corrosion; interface RS 485, Roxar CorrOcean native protocol. Datasheet Ver. 3-240908.