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Veeder-Root Sensor Application Guide Single-Point Mini Hydrostatic Sensor for Double Wall Sumps The Single-Point Mini Hydrostatic sensor accurately detects fluid level change in the interstice reservoir of a dou- ble-wall sump. If a leak occurs in the sump interstice, the brine seeps out of the reservoir triggering a low level alarm. Sensor Detection Capabilities - Alarm Conditions • A leak in the inner or outer sump wall triggers a Fuel alarm. • An open sensor triggers a Sensor Out alarm. Operating Capabilities • Operating temperature Range: -25°C to+50°C. Rests in salt brine solution of up to 30%calcium chloride or propylene glycol. • Storage Temperature Range: -40° C to + 60° C. • Dimensions: 2.5" high, 1.50"diameter • Cable length: 8 feet 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 required) - 8 sensors max. • TLS-450- USM (P/N 332812-001) accepts up to 16 sensors Console Software Compatibility • TLS-350 series/TLS-300 (Version 1 or later) • TLS-450 (All) Sensor and Installation Kit • Single-Point Mini Hydrostatic Sensor and install kit for double-wall sumps - P/N 794380-304 Related Sales Literature Visit our website at Sensor in interstitial fluid reservoir www.veeder.com for more information on Veeder-Root products and services. a Concrete pad- Double-wall sump Coupling and seals as required for conduit egress (customer supplied) 1 Seal-off and junction box 1/2"conduit to (customer supplied) TLS console Use tie wraps to keep cable clear of sump components and lid Tank ..N....\d-hg..p. Fig.13 Typical Single-Point Mini-Hydrostatic Sensor Installation 16