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Web Special for Portable Reference
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Get a 10% discount for our maintenance-free portable reference electrode.  











Process Vessel Reference
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Obtain potential readings in elevated temperature/pressure environments or in contaminated solutions.

Concentric CP Coupon UC Thumbnail

Provides IR free potential readings without the necessity for interrupting current.

Modular Linear Anode

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Linear distributed impressed current anode for aboveground storage tanks, buried pipelines, elevator shafts and marine structures.


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Tubesheet Mounted Reference Electrode
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Measure potentials on tubesheet face.

Undertank Reference Electrode
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Measure potential profiles beneath aboveground storage tanks.

Magnet Operated Switch
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Simplify instant-disconnect
measurements on 
cathodic protection coupons.

Electrochemical Devices Inc. (EDI), founded in 1986, specializes in the design and manufacture of products for monitoring and controlling corrosion. All of our products are manufactured in the USA.

Electrochemical Devices, Inc. specializes in the design and manufacture of products for monitoring and controlling corrosion. Primary expertise is permanent reference electrodes. EDI products are designed for engineers and others responsible for monitoring or controlling corrosion. EDI reference electrodes are designed for easy installation and have the longest service lives in the industry.

Permanent reference electrodes - products available for all applications used to monitor the potential of a structure.

Impressed current anodes - linear distributed and probe-type with platinum and mixed metal oxide coatings.

Specialty monitoring devices - concentric cathodic protection coupon and probes for LPR measurements to assist the corrosion engineer in determining the extent of a problem.

Custom designs - products designed to meet the specific requirements of an application.