By continuing to browse this website or by clicking 'I Accept', you agree to the use of cookies. Cookies are stored on your computer or mobile device and enhance your site experience. To learn more about how we use cookies, you can click the 'Learn More' button.
Unique Dual Hemispherical Coupon Design for Cathodic Protection Testing
Cathodic protection coupons are a simple, size-specific piece of metal with one or more wires attached and are used for evaluating corrosion control or cathodic protection systems protecting a structure, typically a steel pipeline. These measurements include:
Native or unprotected structure-to-soil potentials
Structure-to-soil potentials with the CP system energized
Structure-to-soil potentials with the CP system interrupted
To emulate an “Off” structure-to-soil potential without interrupting CP current, typically referred to as a “Coupon Interrupt” reading
For magnitude measurements of AC current density on a structure with known inducedAC issues
Hemi-10 Dual Coupon Details
A new design, the "Hemi-10" dual steel C.P. coupon is comprised of 2/each, 10 cm2 half-round coupons designed for maximum contact to earth, which is critically important for AC current density measurements.
The dual 10 cm² coupon allows excellent contact to native earth as compared to the smaller 1 cm² coupons. For AC current density measurements, the 10 cm² surface area allows a direct conversion from mA to A/m² without having to use any mathematical conversions.
The coupons are mounted inside a durable PVC housing and the Hemi-10 Dual is provided with a three or four lengths of #12 AWG stranded copper cable with RHH/RHW direct burial insulation.
Coupon Ordering Information
Specify the Hemi-10 Dual steel coupon
Select the number of cable lead wires, 3 or 4, for the coupon
Choose a cable length of 25, 50, 75 or 100 feet.
Select a cable insulation color as required (such as white, blue, orange, etc.)
Cathodic protection coupons are a simple, size-specific piece of metal with one or more wires attached and are used for evaluating corrosion control or cathodic protection systems protecting a structure, typically a steel pipeline. These measurements include:
Native or unprotected structure-to-soil potentials
Structure-to-soil potentials with the CP system energized
Structure-to-soil potentials with the CP system interrupted
To emulate an “Off” structure-to-soil potential without interrupting CP current, typically referred to as a “Coupon Interrupt” reading
For magnitude measurements of AC current density on a structure with known inducedAC issues
Hemi-10 Dual Coupon Details
A new design, the "Hemi-10" dual steel C.P. coupon is comprised of 2/each, 10 cm2 half-round coupons designed for maximum contact to earth, which is critically important for AC current density measurements.
The dual 10 cm² coupon allows excellent contact to native earth as compared to the smaller 1 cm² coupons. For AC current density measurements, the 10 cm² surface area allows a direct conversion from mA to A/m² without having to use any mathematical conversions.
The coupons are mounted inside a durable PVC housing and the Hemi-10 Dual is provided with a three or four lengths of #12 AWG stranded copper cable with RHH/RHW direct burial insulation.
Coupon Ordering Information
Specify the Hemi-10 Dual steel coupon
Select the number of cable lead wires, 3 or 4, for the coupon
Choose a cable length of 25, 50, 75 or 100 feet.
Select a cable insulation color as required (such as white, blue, orange, etc.)
Are you sure you would like to remove this item from the shopping cart?
This item is a part of the approved quote. Removing it will remove all quote items from the cart.