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UNIVERSAL LIQUID SENSOR <br />pESCRIPTION <br />The TSP-ULS Liquid Sensor is a law cost pointliquidsensor which nay <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 />c Ali^ swhere the presenceofliquid indicatesaleakhasoccurred.The <br />TSP•ULS is based on float -switch technologyand is madeof chemically <br />resistant materials to assure compatibilitywlth most liquids. Each sensor <br />is supplied with a 25footcable and iscompatiblewith standard electrical <br />boxesand fittings. The TSP-ULS'sncrrnOyclosed oumutcircuit provides <br />supervised operation, ensuringthatbrokenwiresandsimilar failures wiil <br />not go undetected. <br />Ar -PLICATION <br />T1 &7 Sr=-ULS maybe installed in sumps and in in€erstitial spaces in steel <br />douois walltanks. A 1/2 -inch NFT thread isprovided on the compression <br />gland fitting (cord 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 function box iocated.on a sump wall. The sensor may be <br />pcsitioned vertically by loosening the gland fitting and adjusting the <br />lencth of the cable extending from it. In steel interstitial tanks the TSP- <br />U�= ',owered into the opening provided on the tank, and is suspended <br />from theoptlonalTSP- 112install ationkit- Many other mounting methods <br />are possibfe allowing the TSP-ULS to be used in a wide variety of <br />applications and locations. <br />ORDER PART NUMBER: <br />WEATHER.PROC <br />JUNCTION 6C <br />CONDUIT <br />TSP <br />II'uted by - <br />THEORY OF OPERATION <br />The secret to 'he TSP-ULS's reliabi14 and low cost is its float switch <br />technology. A small magnetically activated reed switch is located inside <br />the body of the sensor. Tiny magnets are positioned inside a light weight <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 Bangs 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 maanet activates the reed switch. The reed switcz <br />opening is used to indicate whether the sensor is wet or dry. <br />5.5 <br />1.44 <br />Evaluated for use as <br />associated equioment with <br />INCCN s U.L. listed <br />(MIU�ONJ. <br />INTELUGENT :01\17ROL SINC. <br />P.O. Box 638 • eco, ME 04072 USA <br />800-833-8', 1207-283-0156 <br />Fax. `-283-0158 <br />