Corrosion & Erosion Monitoring

Our products range of corrosion and erosion monitoring from Metal Sample Corrosion Monitoring Systems.

Corrosion Coupon
MS CouponsMetal Samples Corrosion Monitoring Systems has the world’s largest selection of corrosion monitoring test coupons available in any size or shape, and in more than 2,000 alloys. In addition, we offer coupon holders, insertion systems, and test racks. We also provide reweighing and post exposure analysis services.

Accurate monitoring of corrosion rates in any environment is critical when viewed in terms of the maintenance and repair costs associated with corrosion and material failure. Test coupons provide an inexpensive means of on-line monitoring that will allow you to effectively measure the corrosivity within your system. By observing the mils-per-year corrosion rate of an exposed coupon, valuable information can be provided regarding the material’s life expectancy.

Metal Samples can make coupons in any size, shape, or material you need. Coupons can be stenciled with alloy and sequence numbers for proper identification. Mill test reports, identifying element compositions of materials used, are provided on all orders.

When ordering test coupons, please be ready to provide the sales person with information regarding the type of material you are testing, the style and size of the coupons you require, surface finish desired, and if applicable, mounting hole size and location.

Electrical Resistance (ER) Probe

MS ProbesElectrical resistance (ER) corrosion probes are commonly used in petroleum, chemical processing, and other environments where on-line corrosion rate readings are required. Whereas test coupons must be removed from the process for evaluation, corrosion probes can allow corrosion rate determination without probe removal. Since these probes are made-in-house, we can offer rapid turnaround times and products manufactured according to your requirements for temperature, pressure, and other conditions. Hydrogen, sampling, injection, and custom-designed probes can be made as well.


We provide an extensive line of corrosion monitoring instrumentation to interface with probes and interpret, analyze, and display the collected data. Our instrumentation covers the spectrum from portable meters to transmitters to remote data loggers.

High Pressure Access Fittings

Access fittings are used to insert and retrieve a complete range of probes, as well as chemical injection systems, quills, and nozzles. These systems are specifically designed for high pressures and high temperatures.
Injection Systems
Injection systems are used to inject chemicals into processes such as corrosion inhibitor and etc.
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