Corrosion Rate Meter & Sensor
Corrosion is the most costly type of loss. Corrosion is caused by chemical and electrochemical reactions of metallic materials with environmental media (operating media, water, steam, air, gas, gas, and other analogues). Corrosion is defined as: corrosion is the chemical and electrochemical reaction between metal and its environment resulting in the destructive invasion of metal phenomenon. A corrosion rate meter and sensor is an instrument used to measure the rate of corrosion of materials. It is commonly used to monitor the corrosion of industrial pipelines and equipment to assess their service life and safety.
Corrosion Rate Sensor Working Principle
Corrosion rate sensors work by measuring the change in resistance between electrodes to determine the rate of corrosion of a material. The electrodes are usually made of the same metal as the material being measured and are embedded in the material being measured. As the material corrodes, the resistance between the electrodes changes. This change can be measured by an electronic circuit and converted to a corrosion rate value.
Applications
- Petrochemical industry: used to monitor the corrosion of petrochemical pipelines and equipment to prevent pipeline leakage and equipment damage.
- Power industry: used to monitor the corrosion of power station boilers, pipelines and transmission lines to ensure the safe operation of power stations.
- Marine engineering: used to monitor the corrosion of marine platforms, ships and submarine pipelines to prevent marine accidents.
- Municipal engineering: Used to monitor the corrosion of water supply pipe network, sewage pipe network and gas pipe network to ensure the safety of urban infrastructure.
What is corrosion rate?
The corrosion rate is the rate at which any metal degrades in a given environment. It can also be defined as the amount of corrosion loss per year in terms of thickness. The rate or speed of deterioration depends on the environmental conditions as well as the type and condition of the metal being referenced.
When calculating the corrosion rate for any given metal, several pieces of data must be collected. The data required include:
- Weight loss (the reduction in weight of the metal during the reference period).
- Density of the metal.
- The total surface area initially present.
- The length of time spent.
What is corrosion formula?
Use the following formula to calculate corrosion rate from metal loss data:
Rcorr (mm/yr) = 87.6 x (W/DAT)
W = weight loss in milligrams
D = metal density in g /cm3
A = area of the sample in cm2
T = exposure time of the metal sample in hours
Product categories
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