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Probes for the FD|O2Fluid <br />Detection System are placed in <br />individual underground wells <br />surrounding the buried petroleum <br />tanks. The compact size o[the <br />probes makes them economical <br />toinstall, and they require no <br />calibration. <br />Probes are preset noignore <br />small residual layers qfpetroleum <br />less than A -inch which indicate a <br />presence, but not aleak. Where <br />response toalarger orlesser <br />degree isrequired, this setting <br />issite-adjustable from Ys'inchto <br />2inches indepth. Anamount of <br />hydrocarbons will quickly <br />accumulate tothis depth. <br />The sensor floats otthe <br />oi|/vvatwrinterface level. It maintains <br />interface even with various ground <br />water fluctuation. <br />Electrical connections are <br />accomplished atajunction box <br />a%the wellhead. <br />Each probe features a <br />push'tq-testbutton and three LEDs <br />for indicating underground status. <br />Red for hydrocarbons. Yellow for <br />water. And green for air These <br />indicators allow aperiodic check mn <br />the system. They also let operators <br />pinpoint the exact probe that has <br />triggered analarm atthe control <br />rnon/coc <br />The underground probe senses <br />hydrocarbon hazards before they <br />have achance tospread. What was <br />once "out ofsight" iunolonger <br />° out ofrnind.''Sothere's nomore <br />hidden danger Nomore unpleasant <br />surprises. You're incontrol. And <br />you're able totake action in time. <br />With uptqten underground <br />probes, you can encircle alarge fuel <br />storage area. And, the FD|O2 <br />permits upto 40O0feet between <br />probe and monitor locations. <br />Should aprobe detect the presence <br />ofhydrocarbons the F[j|O2master <br />control will sound analarm. ltcan <br />even activate effective counter- <br />measure devices. Immediately. <br />Before any damage isdone. The <br />F[j|O2Master Control iuthe <br />"nervecenter" that ties all your <br />sensors together. <br />The Master Control is <br />Underwriter's Laboratory and <br />Factory Mutual approved. |tfits a <br />variety o{mounting locations with <br />minimum space requirements. <br />,qlwpl t <br />APPROVED Listed 47G1 <br />