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Veeder-Root Sensor Application Guide <br />Interstitial Sensors for Steel Tanks <br />The Interstitial Sensor for Steel Tanks detects the presence of liquid between the double walls of the tank. <br />Sensor Detection Capabilities - Alarm Conditions <br />The presence of any liquid in the tank's interstitial space triggers a Fuel Alarm at a nominal height of 1 inch. <br />Operating Capabilities <br />• Operating temperature range: 0 to +70°C (for water), -20 to 70°C (for hydrocarbons). <br />• Storage temperature range: -40 to +70°C. <br />• Sensor dimensions: 2.5" high, 1.5" diameter. <br />Sensor Interface Module �. 2acl -;M-0C4 <br />• TLS -350 Series Consoles (except TLS -350J) - Interstitial Sensor Interface Module (Form YNumber 847490-102) <br />accepts up to 8 sensors (a maximum of 64 sensors could be monitored by the console). <br />• TLS -350J Console - 3 sensors max. <br />• TLS -300i, PC -300i, TLS -300C, TLS -300J, PC -300C Consoles (no Interface Module required) - 8 sensors max. <br />• ILS -350 Console -A Two -Wire Module (Form Number 845190-100) accepts up to 4 sensors (a maximum of 16 <br />sensors could be monitored by the console). <br />Console Software Compatibility <br />• Version 1 or later (TLS -350 Series/TLS-300 Consoles) <br />• All ILS -350 Consoles <br />Compatible Fuels <br />• Unleaded gasoline <br />• Diesel <br />• Leaded gasoline <br />• Kerosene <br />• 5% methanol/95% unleaded <br />• Jet fuel <br />• 15% ethanol/85% unleaded <br />14" min. dia. <br />• Aviation gasoline <br />manhole <br />Cord grip <br />• 15% MTBE/85% unleaded <br />Sensor/Cable Length Configurations <br />Reducer <br />—Seal -off -off <br />• Interstitial Sensor with 16 -foot cable - <br />Form Number 794390-420 <br />Leader cable <br />1/2"rigid conduit <br />(to Console) <br />• Interstitial Sensor with 30 -foot cable - <br />weatherproof junction <br />Form Number 794390-460 <br />2" dia. riser <br />box with 1/2 -inch N.P.T. <br />threads (16 Cubic inch <br />volume minimum) <br />Accessories <br />Riser cap and adaptor kit (2") - Kit Number 312020-928 <br />Sensor <br />Related Sales Literature <br />Steel tank <br />Visit our website at www.veeder.com for more <br />information on Veeder-Root products and services. <br />Sensor switch must <br />rest on bottom of tank <br />�,am <br />10 <br />