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UNIVERSAL. LIQUID SENSOR <br />DESCRIPTION <br />The TSP-ULS Liquid Sensor is a low costpointliquid sensor which may <br />be used with all Tank Sentinel, automatic tank gauge consoles. It may <br />be installed in sumps, dispenser pans, steel double wall tanks, or other <br />swhere the presenceofliquid indicates aleakhasoccurred. The <br />TSP-ULS is based on float -switch technology and is made of chemically <br />resistant materials to assure compatibilitywith mostliquids. Each sensor <br />is supplied with a 25 foot cable and is compatible with standard electrical <br />boxes and fittings. Tice TSP-ULS's normally closed outnutcircut provides <br />supervised operation, ensuring that broken wiresand similarfailureswiil <br />not go undetected. <br />Ar -'PLICATION <br />The7SF- iLSmaybeinstaRadinsumpsandininterstitialspacesinsteel <br />douoie wall.lanks. A V2 -inch NPT thread is providedon the compression <br />gland fitting (curd grip) attached to the sensor's cable, allowing it to be <br />suspended from standard electrical boxes and fittings. In typical <br />applications, the TSP-ULS is screwed into a conduit opening on the <br />bottom of a junction box located on a sump wall. The sensor may be <br />positioned vertically by loosening the gland fitting and adjusting the <br />length of the cable extending from it_ In steel interstitial tanks the TSP- <br />U;r ;s'veered into the opening provided on the tank, and is suspended <br />from the optional TSP -K12 installation kit. Many other mounting methods <br />are possible allowing the TSP-ULS to be used in a wide variety of <br />applications and locations. <br />ORDER PART NUMBER: <br />WEATHERPROC <br />JUNCTION 6C <br />CONDUIT <br />TSP <br />i �triautee 'ay; <br />S FN TINEL° <br />THEORY OF OPERATION <br />The secret to the TSP-ULS's reliability and low cost is its float switch <br />technology. A small magnetically activated reed swiich is located inside <br />the body of the sensor, Tiny magnets are positioned inside a lightweight <br />float which is free to move up and down along the shaft of the TSP-ULS. <br />If the sensor is dry, the float hangs down on the shaft so that the magnets <br />are below the reed switch. When the sensor is immersed in liquid, the <br />float rises, and the magnet activates the reed switch. The reed switch <br />opening is used to indicate whether the sensor is wet or dry. <br />3.5 <br />1.94 <br />Evaivaled for use as <br />associated equipment with <br />INCON°s U.L. listed <br />consoies- <br />I I E) <br />INTELLIGENT -'ONTROLS INC• <br />P.O. Box 638 • zco, ME 04072 USA <br />800-833-8Z 1207-263-0156 <br />Fax- 283-0158 <br />