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Test posts are essential components in cathodic protection systems, providing access points for measuring voltage and current. These posts are typically installed near underground pipelines or tanks to monitor CP performance. Made with weather-resistant materials, our test posts ensure long-term durability in harsh outdoor conditions. Custom configurations are available based on client requirements, including terminals, color, and branding.

Reference electrodes are essential for accurately measuring the potential of cathodic protection systems. Our reference electrodes, including Copper/Copper Sulfate (Cu/CuSO₄) and Silver/Silver Chloride (Ag/AgCl) types, are widely used in pipelines, tanks, and marine environments. They feature stable output, low impedance, and excellent repeatability, making them ideal for field testing and long-term monitoring. We offer both portable and permanent installation models.

DERUI produces various specifications of junction boxes suitable for land or Marine environments. The explosion-proof rating is ATEX, Exe, Exd. The shell includes stainless steel, steel plate, cast aluminum and other non-metallic materials, etc., and can be installed internally, shunt, variable resistor, ammeter and other electronic components.