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Veeder-Root Sensor Application Guide <br />Position Sensitive Interstitial Sensor for Steel Tanks <br />Compatible with fuel blends up to 85%Ethanol! <br />The sensor for steel tanks detects the presence of liquid between the double walls of the tank. In addition, it pro- <br />vides an alarm when the sensor is not positioned correctly on the bottom of the interstitial space. <br />Table 12. Position Sensitive Interstitial Sensor for Steel Tanks Features and Console Compatibility <br />Item <br />Description <br />Form number <br />794380-333 (15 Foot cable [4.6m]) <br />Operating principle <br />Float switch <br />Product activation height <br />1.25" (3.2cm) <br />Operating temperature <br />-4 to +140°F (-20°C to +60°C) (hydrocarbons, non-freezing water) <br />Dimensions <br />3.5" (8.9cm) High, 1.75" (4.4cm) Diameter <br />Compatible consoles <br />TLS-450/TLS-450PLUS, TLS4/8601 Series, TLS -350 Series, TLS -300 Series <br />Console Interface <br />Module <br />TLS -300 Series - No input module required <br />TLS -350 Series, Interstitial/Liquid Sensor Interface Module, 8 sensor input, P/N 329358-001 <br />TLS-450/TLS-450PLUS - Universal Sensor Module (USM), 16 sensor input, P/N 332812-001 <br />TLS4/8601 Series - Universal Sensor Input Output Module (USIOM) (AC ver.), 12 sensor input, P/N 333238-001; (AC ver.), <br />6 sensor input, P/N 333238-002; (DC ver.), 12 sensor input, P/N 333238-003; (DC ver.), 6 sensor input, P/N 333238-004 <br />Maximum number of <br />sensors monitored per <br />console <br />TLS -300 Series (8) <br />TLS -350 Series (48) <br />TLS-450/TLS-450PLUS (32) <br />TLS4/8601 Series (12), AC or DC versions of TLS4b only monitor a maximum of (6) <br />Compatible fuels <br />10090 Gasoline and blends with up to 8546 Ethanol; Diesel; Bio -Diesel; Kerosene; Jet fuel; Aviation Gas; Waste Oil; Motor <br />Oil <br />Miscellaneous <br />• Riser cap and adapter kit (2" [50mm]) <br />- P/N 312020-928 <br />• Installation example (see Fig. 8) <br />and control drawing 577014-041 <br />� P v <br />D C <br />a P <br />Manhole <br />1/2" NPT Cord grips <br />Appropriate reducer ' <br />with 1/2" NPT <br />opening for cable <br />cord grip <br />Sensor cable ------ T; <br />Minimum riser <br />diameter 1 inch <br />(2.54cm) <br />Sensor must rest <br />on bottom of <br />interstitial riser. <br />12 <br />Weatherproof <br />b o junction box <br />9 s <br />— Seal -off <br />Rigid conduit <br />(to Console) <br />-------------------------------- <br />