Monitoring

Corrosion Coupons

Name: Corrosion Coupons
Brand: AJ Corrosion Prevention Services

Direct measurement of protection at a known surface area

Steel coupons of known surface area buried adjacent to the pipeline and connected through a test station. Because the coupon can be disconnected instantly, it gives an IR drop free potential reading and a direct measurement of current density that the pipeline itself cannot provide.

Request a Quotation All Products

Technical Data

Specifications

Material: Same grade as the protected structure
Surface area: 1, 10 or 100 cm2 to order
Types: Coupon only, or with integral reference electrode
Connection: Through test station with shorting link and shunt
Measurement: Instant off potential and coupon current density
Burial: At pipe depth, in native soil adjacent to the line

Specifications shown are indicative. Final ratings, sizes and materials are confirmed against your technical specification and the CP design calculation at enquiry stage.

Typical Applications