Description The Pneumercator ES825-100F Solid-State Non-Discriminating Leak Sensor 25FT Cable utilizes electro-optic technology to detect the presence of liquids in secondary containment applications. The sensor contains no moving parts, is unaffected by vapors, and due to its compact size is ideal for interstitial spaces. Key Features Dry Annular Space in Double-Wall Tanks Containment, Manway and Piping Sumps Dispenser Pan Turbine Enclosures