The Ring Surface Polarization Coupon (also known as an annular or encircling coupon) is an advanced cathodic protection (CP) monitoring probe. Unlike traditional flat coupons, the ring coupon is designed to surround the pipeline or structure, providing a more uniform current density distribution and minimizing edge effects that can skew potential measurements.
KEY FEATURES
SPECIFICATIONS
|
Parameter |
Typical Options |
Remarks |
|
Ring Substrate |
Q235/Q345/X52/X60/X65/X70 |
Can be customized |
|
Exposed Slot Area |
2.5-7.6cm² |
The actual wetted/active ,Defined by the insulating sleeve;Critical for current density calculations |
|
Total Ring Area |
90-280cm² |
Entire metallic surface of the ring |
|
Ring Width(axial length) |
20-50mm |
Typical width of the ring along the pipe axis |
|
Ring Thickness |
3-6mm |
Ensures mechanical strength and durability |
|
Encapsulation /Housing |
Acrylic sleeve or PVC |
Control the exposed area and shield the back and sides |
APPLICATIONS
