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Viewing <br />Window <br />The Sensors <br />Model LS -3 N.C. & HVA <br />Tank Level Sensors <br />The Model LS -3 N.C. is most <br />suitable for steel, double-wall tanks. The <br />unit is positioned vertically on the <br />bottom of the tank annulus or at <br />maximum fuel level of a tank to prevent <br />overflow. The all-polysulfone level <br />switch features a single -pole, single - <br />throw contact, actuated by the float of <br />the unit. The contact status is annun- <br />ciated on the X76S monitor. <br />The HVA is a miniature liquid sensor IWA IS -3 <br />for use in restricted vertical riser � <br />applications. l V l J Listed 48RO <br />Model LS -7 Tank Level Sensor <br />The Model LS -7 Level Switch is designed for <br />horizontal applications where access is difficult, such as <br />a dual -wall fiberglass tank's annulus. The unit is engi- <br />neered to provide high -reliability point -level sensing. <br />The plastic construction is compatible with all hydrocar- <br />bon liquids, providing long, trouble-free performance. <br />U& Listed 48RO <br />Intrinsically Safe <br />Power Supply <br />Sensor Alarm <br />Modules <br />Intrinsically <br />Safe Barriers <br />Field Wiring <br />Compartment <br />Power Input <br />Terminals <br />ModelsLS-3 N.O. &LS -30 <br />Hydrostatic LeakDetectors _ <br />The Models LS -3 N.O. <br />and LS -30 Leak Detectors <br />monitor any U.L. rated <br />hydrostatic double-wall <br />fiberglass tank reservoir. <br />Due to the possibility of <br />groundwater seeping into a <br />reservoir, the LS -30 is de- .7signed to detect liquid level <br />gains as well as losses. <br />LS -10 and LS -20 <br />Reservoir Assemblies are <br />supplied when a permanent <br />reservoir is not part of the <br />tank package. <br />uL Listed 48RO <br />UD Listed 48R0 I >S-3 tS-30 <br />IS -10 <br />Model JT -2 Tank Leak Sensor <br />The Model JT -2 assembly consists of a <br />pressure switch, fill valve and safety release <br />valve. The Model JT -2P Positive Pressure Leak <br />Sensor is designed to provide monitoring of the <br />annular cavity of double-wall tanks via air <br />pressure. Any breach of the containment will <br />cause a pressure loss and will be <br />*o- sensed by the pressure switch trans- <br />figuring its contact should pressure fall <br />below .5 PS1G. <br />F�_111 <br />The Model JT -2V Vacuum Leak <br />Sensor monitors for loss of vacuum <br />and will be sensed by the vacuum switch trans- <br />ferring its contact should vacuum fall to .5 inches <br />of mercury. <br />n <br />C <br />