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Veeder-Root Sensor Applicaa.on 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 condi- tion 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. t Sensor Detection Capabilities - Alarm Conditions • Dual-Point Version - Leak in inner wall triggers a low level alarm - Leak in outer wall triggers a high level alarm in high groundwater areas or a low level alarm in low groundwater areas. -An open sensor triggers a sensor out alarm. • Single-Point Version - Leak in inner or outer wall triggers a fuel alarm in low groundwater areas. -An open sensor triggers a sensor out alarm. Operating Capabilities • Operating temperature range: -25 to +500C. • Storage temperature range: -40 to+60°C. • Operates in salt brine solution of up to 30%CaCI. • Cable length: 12 feet • Sensor dimensions: Single Point- 6" high, 2.5"diameter; Dual Point- 17.3" high, 2.5" diameter. Sensor Interface Module • TLS-350 series consoles (except TLS-350J) - Interstitial/Liquid Sensor interface module (P/N 329358-001) accepts up to 8 sensors (a maximum of 64 sensors could be monitored by the console). • TLS-350J console-4 sensors max. • TLS-300i, PC-300i,TLS-300C, TLS-300J, PC-300C consoles (no Interface Module 14"min. a Cord Weatherproof manhole required)- 8 sensors max. grip junction box • TLS-450- USM (P/N 332812-001) accepts up to - 16 sensors Console Software CompatibilityL Riser pipe Seal-off • TLS-350 serieslTLS-300 (Version 1 or later) cap • TLS-450 (All) Dual-point \1/2" rigid Sensor Configuration hydrostatic conduit r sensor (to console) • Single-Point Sensor- Form Number 794380-301 Float • Dual-Point Sensor- Form Number 794380-303 Brine Reservoir / Related Sales Literature level Double-wall tank Visit our website at www.veeder.com for more information on Veeder-Root products and services. sensor\hssenap-eps Ci Fig.12 Typical Hydrostatic Dual-Point Sensor Installation 4 15