Staperm Underground Reference Electrodes by GMC

Description STAPERM™ Model CU-1-UG Copper-Copper Sulfate (Cu-CuSO4) Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in yellow cotton bag. Overall size: Approx. 6" dia. x 14" long. Weight: Approx. 15 lbs. Special sizes: Upon request. Reinforcing Rods: 1/4" x 3" PVC at electrode end. Lead Wire: Standard 50' of #14 RHH-RHW. Design Life: 20 years. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 132°F  STAPERM™ Model AG-4-UG Silver-Silver Chloride (Ag-AgCl) Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. Overall size: Approx. 6" dia. x 14" long. Weight: Approx. 15 lbs. Special sizes: Upon request. Reinforcing Rods: 1/4" x 3" PVC at electrode end. Lead Wire: Standard 50' of #14 RHH-RHW. Design Life: 20 years. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 150°F  STAPERM™ Model Zn-4-UG Zinc-Zinc Sulfate (Zn-ZnSO4) Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in red cotton bag. Overall size: Approx. 6" dia. x 14" long. Weight: Approx. 15 lbs. Special sizes: Upon request. Reinforcing Rods: 1/4" x 3" PVC at electrode end. Lead Wire: Standard 50' of #14 RHH-RHW. Design Life: 20 years. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 132°F

Created by: Pipeline Corrosion Control

Last updated 11/2025

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Description STAPERM™ Model CU-1-UG Copper-Copper Sulfate (Cu-CuSO4) Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in yellow cotton bag. Overall size: Approx. 6" dia. x 14" long. Weight: Approx. 15 lbs. Special sizes: Upon request. Reinforcing Rods: 1/4" x 3" PVC at electrode end. Lead Wire: Standard 50' of #14 RHH-RHW. Design Life: 20 years. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 132°F  STAPERM™ Model AG-4-UG Silver-Silver Chloride (Ag-AgCl) Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. Overall size: Approx. 6" dia. x 14" long. Weight: Approx. 15 lbs. Special sizes: Upon request. Reinforcing Rods: 1/4" x 3" PVC at electrode end. Lead Wire: Standard 50' of #14 RHH-RHW. Design Life: 20 years. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 150°F  STAPERM™ Model Zn-4-UG Zinc-Zinc Sulfate (Zn-ZnSO4) Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in red cotton bag. Overall size: Approx. 6" dia. x 14" long. Weight: Approx. 15 lbs. Special sizes: Upon request. Reinforcing Rods: 1/4" x 3" PVC at electrode end. Lead Wire: Standard 50' of #14 RHH-RHW. Design Life: 20 years. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 132°F
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