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C <br />► Positive alarm indication of any liquid in <br />double-wall steel tanks. <br />P. System indicators pinpoint alarm location. <br />► Simple to install. <br />► Two -wire connection to system monitor. <br />► Fast action helps prevent serious safety and <br />environmental problems. <br />The Veeder-Root Interstitial Sensor for use in Steel <br />Tanks detects the presence of liquid in the annulus <br />of a double-wall steel tank. Liquid in the annulus <br />could mean a dangerous leak. When liquid is de- <br />tected, the sensor sends an alarm signal to a TLS - <br />350, ILS -350, TLS -300i, TLS -250i Series or ILS -250 <br />monitor. The monitor's visual and audible built-in <br />alarm indicators immediately tell you where the prob- <br />lem is, so you can quickly take action to help prevent <br />serious safety and environmental problems. <br />The TLS -350, ILS -350, TLS -300i, TLS -250i Series <br />and ILS -250 Systems feature internal alarm relays <br />• that can also trigger on-site alarms for even greater <br />warning capability. The TLS -350 and TLS -300i <br />alarm signals from the sensor triggers a report <br />showing the time and the location of the alarm <br />condition. This information is stored in the system's <br />alarm history and can be retrieved through the mon- <br />itor's integral printer or remotely through its data <br />communications interface. <br />The Veeder-Root Interstitial Sensor for Steel Tanks <br />can be used in the annulus of steel tanks with a <br />sensor riser pipe of 1.5" I.D or greater. Only two <br />wires are required to connect the sensor to a TLS <br />or ILS system. <br />Detection Capabilities <br />► The presence of any liquid in the tank's interstitial <br />space triggers a Fuel Alarm. <br />Operating Capabilities <br />► Operating Temperature Range: -20'C to +70°C <br />(Hydrocarbons); 0'C to 70'C (non-freezing Water). <br />► Storage Temperature Range: -40'C to +75°C. <br />► Cable Length: 25 feet. <br />► Dimensions: 2.5" high, 1.50" dia. <br />Standard Components <br />CITY <br />DESCRIPTION <br />1 <br />Interstitial Steel Tank Sensor <br />2 <br />Watertight Cord Grips <br />• <br />