Veeder-Root Sensor Application Guide 18 Groundwater Sensor The Groundwater Sensor detects free hydrocarbon product on the water table in up to 20 feet deep monitoring wells. Sensor Detection Capabilities - Alarm Conditions • Hydrocarbons in the C5 to C16 range trigger a Fuel alarm. Sensor detects as little as 0.1” depth of free product on the water table. • Water table dropping below sensor triggers a Water Out alarm. • An open sensor triggers a Sensor Out alarm. Operating Capabilities • Operating temperature range: 0 to +40°C. • Storage temperature range: -40 to +70°C. • Sensor dimensions: 4.9” long, 1.1” diameter. Sensor Interface Module • TLS-350 series consoles (except TLS-350J) - Groundwater Sensor interface module (P/N 329399-001) accepts up to 5 sensors (a maximum of 40 sensors could be monitored by the console). • ILS-350 - A three-wire module (P/N 329676-001) 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 Configurations Groundwater Sensors for various depth wells: • 7 to 10-foot wells- Form Number 794380-621 • 10 to 15-foot wells- Form Number 794380-622 • 15 to 20-foot wells- Form Number 794380-624 Related Sales Literature Visit our website at www.veeder.com for more information on Veeder-Root products and services. 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\gwsenap.eps 1/2'' rigid conduit (to Console) Extra sensor length should not exceed 2-feet Sensor well cap w/ locking handle Suspend water float 2''- 4'' above bottom of well. NOTE: Water float must be submerged or console will indicate WATER OUT alarm. Sensor Perforated PVC monitoring well housing Water float Fig. 15 Typical Groundwater Sensor Installation
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