MC Miller RE-375 Extendable Copper Copper Sulfate Reference Electrode Kits

Extendable Copper-Copper Sulfate Reference Electrode Potential measurements through small holes. Probe into bore holes or paving inserts. Precision-machined for reliable, leak-proof seals. Non-leak tubular carrying case. Supplied with a charge of copper sulfate crystals inside the Lexan tube. Cat. #15102 Model #RE-375 (DW) Extendable Copper/Copper Sulfate Reference Electrode Distilled Water Version $70.25 Cat. #15104 Model RE-375 (AF) Extendable Copper/Copper Sulfate Reference Electrode, Antifreeze Version $70.25 Cat. #15105 Model EXT-375 Extendable Copper/Copper Sulfate Reference Electrode, Extendable Length Version $90.25