Veeder-Root Sensor Application Guide 17 Vapor Sensor The Vapor Sensor detects the presence of hydrocarbon vapors in dry monitoring wells. Sensor Detection Capabilities - Alarm Conditions • Hydrocarbon vapor exceeding the programmed threshold triggers a Fuel Alarm. • Liquid present in the monitoring well triggers a Water Alarm. • An open sensor triggers a Sensor Out alarm. Operating Capabilities • Operating temperature range: -20 to +70°C. • Storage temperature range: -40 to +70°C. • Sensor dimensions: 4.9” long, 1.1” diameter. • Lockable, watertight cap for 4” monitoring wells prevents accidental spills into well. Sensor Interface Module • TLS-350 series consoles (except TLS-350J) - Vapor Sensor interface module (P/N 329357-001) accepts up to 5 sensors (a maximum of 40 sensors could be monitored by the console). • ILS-350 - A three-wire module (P/N 329676-0011) accepts up to 4 sensors (a maximum of 16 sensors could be monitored by the console). • TLS-450 - USM (P/N 332812-001) accepts up to 16 sensors Console Software Compatibility • TLS-350 series (Version 1 or later) • ILS-350 (All) • TLS-450 (All) Compatible Fuels • Unleaded gasoline • Unleaded with up to 5% methanol, 15% ethanol, or 15% MTBE • Leaded gasoline • Diesel • Kerosene • Jet fuel • Aviation gasoline Sensor Configuration Vapor Sensor - Form Number 794390-700 Accessories 4-inch cap and Adapter kit - P/N 312020-939 Related Sales Literature Visit our website at www.veeder.com for more information on Veeder-Root products and services. Perforated PVC monitoring well housing Cord grip Weatherproof junction box with 1/2-inch N.P.T. threads (16 cubic inch volume minimum) 14'' min. dia. manhole Seal-off sensors\vsenap.eps 1/2'' rigid conduit (to Console) Suspend vapor sensor 12 inches above highest level reached by water table, if known; or 12 inches above the bottom of the well or any water in the well. Vapor sensor Fig. 14 Typical Vapor Sensor Installation
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