Model RE-2.5U Reference Electrode by M.C. Miller

Description

• Highly durable, large area ceramic plug (2.25" diameter) - protective plastic cap included. 
• Copper/Copper Sulfate Electrode can be used in any orientation, including upside down configuration. 
• Ideal for concrete corrosion potential mapping (bridge decks, parking garages, etc.) - stands upright by itself. 
• Electrode supplied with highly absorbent sponge cap for enhanced electrical contact to concrete surfaces.
• Supplied with a charge of copper sulfate crystals inside the Lexan tube