Emerson

Rosemount Wireless 4390 Series of Corrosion and Erosion Transmitters

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

Specifications

Vendor

Emerson

Brand / line

Rosemount / Roxar

Category

Corrosion probes

Class

Core integrity

Technique

Wireless transmitter reading ER, LPR, galvanic, multi-element sand/erosion or combined probes (probes from most common vendors)

Detects

corrosion rateerosionsandwall loss

Mounting

Transmitter with up to 20 m probe cable; reads intrusive probes

Temperature range

-40 to 70 °C (transmitter ambient)

Communications

WirelessHART

Power

Replaceable non-rechargeable Li-SOCl2 power module (type 701PBKKF); life via Emerson estimator

Hazardous area

ATEX and IECEx intrinsically safe (I1, I7 options)

Suitable assets

pipingpressure vesselspipelines

Notes

Datasheet 00813-0100-4393 Rev AB (Mar 2021): ER probe resolution 10-20 nm metal loss; sand probe accuracy 10-100 ppm of element thickness. Works with Plantweb Insight Inline Corrosion app.