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Veeder-Root Sensor Application Guide Hydrostatic Reservoir Sensor The Hydrostatic Reservoir Sensor accurately detects fluid level change in the reservoir and interstice of a double- wall storage tank. This sensor is available in a dual-point or single-point configuration. The Dual- Point version is ideal for high groundwater areas, and can differentiate between a high level alarm condition and a low level alarm condition . If an inner-wall leak occurs, the brine seeps into the tank triggering a low level alarm , if an outer wall leak occurs, fluid seeps into the interstice triggering a high level alarm . The Single- Point version can be used in low groundwater locations. If an inner-wall leak occurs, the brine seeps into the tank triggering a fuel alarm , or if the outer wall leaks, the brine seeps out of the tank interstice triggering a fuel alarm . Table 15, Hydrostatic Reservoir Sensor Features and Console Compatibility Item Description Form number 794380-301 Single-Point (12 foot [3.7m] cable); 794380-303 Dual-Point (12 foot [3.7m] cable) Operating principle Float switch Product activation height' 1.74" (4.4cm) Single-Point; Low 1.2" (3cm), High 13.13" (33.4cm) Dual-Point '.. Reservoir solutions Up to 5046 ethylene glycol in water; up to 50% propylene glycol in water; salt brine solution of up to 30% CaCI Operating temperature -13 to + 122T (-25 to + 50°C) Dimensions 6" (15cm) high, 2.5" (6.4cm) dia. Single-Point; 17.3" (44cm) high, 2.5" (6.4cm) dia. Dual-Point Compatible consoles TLS-450/TLS-450PLUS, 11.34/8601 Series, TLS-350 Series, TLS-300 Series Console Interface TLS-300 Series - no input module required Module TLS-350 Series, Interstitial/Liquid Sensor Interface Module, 8 sensor input, P/N 329358-001 '.. TLS-450/TLS-450PLUS - Universal Sensor Module (USM), 16 sensor input, P/N 332812-001 TLS4/8601 Series - Universal Sensor Input Output Module (USIOM) (AC ver.), 12 sensor input, P/N 333238-001; (AC ver.), 6 sensor input, P/N 333238-002; (DC ver.), 12 sensor input, P/N 333238-003; (DC ver), 6 sensor input, P/N 333238-004 Maximum number of TLS-300 Series (8) sensors monitored per console TLS-350 Series (48) TLS-450/TLS-450PLUS (32) TLS4/8601 Series (12) Compatible fuels 10046 Gasoline and blends with up to 1546 Ethanol; Diesel; Bio-Diesel; Kerosene; Jet fuel; Aviation Gas; Waste Oil; Motor 011 'For additional third party evaluation data see: http://nwglde.org/evals/veeder_root_q.html Cord Weather root Manhole '.. Miscellaneous grip junction box • Interstitial sensor riser cap and adapter kit, 2" P/N 312020-928Wel ° °464ti, aoss , e • Sensor, fiberglass interstitial sensor installation kit P/N 330020-436 Riser pipe Seakoff • Installation example (see Fig . 12) cap Dual-pointRigid hydrostatic conduit sensor (to console) Float Reservoir Brine level � - - - _ _ _ _ _ Double-wall - /tank 15