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i 1 0 1411 *1 � *.'Qe% 0 6 <br />��:J :161:1 W <br />Probes for the FD|0IFluid <br />Detection System are placed in <br />individual underground wells <br />surrounding the buried petroleum <br />tanks. The compact size of the <br />probes makes them economical <br />to install, and they require no <br />calibration. <br />Probes are preset to ignore <br />small residual layers ofpetroleum <br />less than Y4 -inch which indicate a <br />presence, but not aleak. Where <br />response toolarger mrlesser <br />degree is required, this setting <br />issite-adjustable from A-inchto <br />2inches indepth. Anamount of <br />hydrocarbons will quickly <br />accumulate tothis depth. <br />The sensor floats otthe <br />oil/water interface level. Itmaintains <br />interface even with various ground <br />water fluctuation. <br />Electrical connections are <br />accomplished atajunction box <br />atthe wellhead. <br />Each probe features a <br />push'to-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 on <br />the system. They also let operators <br />pinpoint the exact probe that has <br />triggered analarm aithe control <br />monitor. <br />The underground probe senses <br />hydrocarbon hazards before they <br />have achance tospread. What was <br />once "out ofsight" isnolonger <br />"outofnnind."Sqthere's nmmore <br />hidden danger. y4omore unpleasant <br />surprises. You're incontrol. And <br />you're able totake action in time. <br />With uptoten underground <br />pnobes, you can encircle alarge fuel <br />storage area. And, the FD|D2 <br />permits uptq4OOOfeet between <br />probe and monitor locations. <br />Should aprobe detect the presence <br />myhydrocarbons the FID |UZmaster <br />control will sound analarm. |tcan <br />even activate effective counter- <br />measure devices. <br />munteprneasuredevices. |mnnnediate|y. <br />Before any damage isdone. The <br />FD|O2Master Control isthe <br />'^ nerve center" that ties all your <br />sensors together. <br />The Master Control in <br />Underwriter's Laboratory and <br />Factory Mutual approved. |tfits a <br />variety mfmounting locations with <br />minimum space requirements. <br />"'1111111101'r, T <br />APPROVED Listed 47G1 <br />