Linear Polarization Resistance (LPR) Probes

Delivering LPR Probes for Corrosion Monitoring

Linear polarization resistance is particularly useful as a method to rapidly identify corrosion upsets and initiate remedial action, thereby prolonging plant life and minimizing unscheduled downtime. These probes are ideal for serving as early-warning tools for corrosion, providing real-time data about asset condition. Their capabilities for remote data collection mean maintenance teams can receive complete insights into the health of their infrastructure without needing to go out into the field, as they would with corrosion coupons.

Description

How it Works

A linear polarization resistance probe monitors how the current between two charged electrodes relates to electrochemical potential. There exists a connection between how well a fluid conducts electricity and how corrosive it is. Electrodes that corr

A linear polarization resistance probe monitors how the current between two charged electrodes relates to electrochemical potential. There exists a connection between how well a fluid conducts electricity and how corrosive it is. Electrodes that corrode at a high rate will emit metal ions into a solution, meaning a small potential introduced between the electrodes will lead to a high current. When inserted into a pipeline, an LPR corrosion probe measures this reaction and alerts the operator when changes have been detected.

Record Probe Results

One of the strongest advantages to using LPR probes is how quickly they produce results. An LPR probe system can tell operators within minutes if there are any changes to the corrosion rate. This means LPR measurement instruments enable a near-instan

One of the strongest advantages to using LPR probes is how quickly they produce results. An LPR probe system can tell operators within minutes if there are any changes to the corrosion rate. This means LPR measurement instruments enable a near-instantaneous response. The LPR technique is utilized to maximum effect when installed as a continuous monitoring system. The LPR sensor can be applied in almost all types of water-based, corrosive environments.

Specifications

Compatible Environments & Fluid Systems for SMARTCORR® LPR Probes

SMARTCORR® LPR probes are engineered to provide real-time galvanic corrosion monitoring in numerous conductive, water-based environments. Some prominent examples of applications for these systems include:

  • Oil and gas pipelines — Tracking real-time metal loss in high-pressure fluid-transport systems
  • Cooling towers — Monitoring the corrosivity of recirculated water as well as detecting scaling or microbiological activity
  • Industrial water processing — Observing corrosion potential in treated or raw water systems across refineries, chemical plants and manufacturing facilities
  • Domestic water treatment — Ensuring effective corrosion control in municipal and building-level potable water distribution networks

Applications

Oil and Gas pipelines.

Why Choose SMARTCORR®?

Our solutions may employ complicated scientific principles, but the key to our success is much simpler. We believe in providing our customers with the best experience from beginning to end. In everything we do, our goal is to develop and maintain lifetime partnerships with the companies we serve. No matter what type of challenges they have, we deliver targeted solutions to overcome them. We know we won’t be successful until our clients are, and that drives all our efforts.

Our solutions may employ complicated scientific principles, but the key to our success is much simpler. We believe in providing our customers with the best experience from beginning to end. In everything we do, our goal is to develop and maintain lifetime partnerships with the companies we serve. No matter what type of challenges they have, we deliver targeted solutions to overcome them. We know we won’t be successful until our clients are, and that drives all our efforts.

Frequently Asked Questions

What fluids are compatible with LPR probes?

These probes are most effective when used in water or aqueous fluids that have conductivity but are not contaminated by oil.

How is the sensor calibrated and maintained?

LPR probes typically require periodic cleaning and inspection to prevent fouling. They also need to be validated to ensure they compare properly to corrosion coupons and ER probes.

How do LPR probes compare to corrosion coupons?

Unlike corrosion coupons, which need to be removed from the process flow and examined to determine the rate of corrosion, LPR probes offer instantaneous, real-time data. This provides maintenance teams with a faster and more immediate assessment of how corrosive the environment inside their pipelines has become, giving them the foresight to make adjustments or repairs as needed.

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