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Zinc reference electrodes
Widely used on steel hulled commercial vessels, these reference electrodes are fully diver changeable. Robustly designed and recessed on the hull, they have excellent performance and durability.
Size: 125mm diameter
Silver/silver chloride reference electrodes
These provide a stable reference for highly accurate readings on larger aluminium hulled craft. They also have the advantages of being recessed and diver changeable.
Size: 125 diameter