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THE UNDE136ROUND <br />PROBE. <br />Probes for the FD 102 Fluid <br />Detection System are placed in <br />individual underground wells <br />,,urrounding 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 of petroleum <br />less than %4 -inch which indicate a <br />presence, but not a leak. Where <br />response to a larger or lesser <br />degree is required, this setting <br />is site -adjustable from %8 -inch to <br />2 inches in depth. An amount of <br />hydrocarbons will quickly <br />accumulate to this depth. <br />The sensor floats at the <br />oil/water interface level. It maintains <br />interface even with various ground <br />water- fluctuation. <br />Electrical connections are <br />accomplished at a junction box <br />at the wellhead. <br />Each probe features a <br />push -to -test button and three LEDs <br />r indicating underground status. <br />Red for hydrocarbons. Yellow for - <br />water. And green for air: These <br />indicators allow a periodic check on <br />the system. They also let operators <br />pinpoint the exact probe that has <br />triggered an alarm at the control <br />monitor. <br />The underground probe senses <br />hydrocarbon hazards before they <br />have a chance to spread. What was <br />once "out of sight" is no longer <br />"out of mind." So there's no more <br />hidden danger. No more unpleasant <br />surprises. You're in control. And <br />you're able to take action in time. <br />MORE RANGE, <br />MORE COYERAGE. <br />With up to ten under ground <br />Probes, you can encircle a large fucl <br />storage area. And, the FD 102 <br />permits up to 4000 feet between <br />probe and monitor- locations. <br />THE MASTER <br />CONTROL. <br />Should a probe detect the presence <br />of hydrocarbons the FD 102 master <br />control will sound an alarm. I -t can <br />even activate effective counter- <br />measure devices. Immediately. <br />Before any damage is done. The <br />FD 102 Master Control is the <br />"nerve center" that ties all your <br />sensors together. <br />The Master Control is <br />Underwriter's Laboratory and <br />Factory Mutual approved. It fits a <br />variety of mounting locations with <br />minimum space requirements. <br />APPROVED UsIed47(S1 <br />VISUAL INDICATORS: <br />10 <br />I RED=HYDROCARBONS <br />.^ <br />A <br />GREENWD Y (AIR) <br />POWER INDICATOR <br />,,... —_ _ <br />......— <br />(VERIFIES SYSTEM <br />_ — - <br />S OPERATIONAL) <br />AUDIBLE <br />4 - <br />ALARM FOR <br />Al Ar".1 <br />HYDROCARBONS <br />FW10 DETECTION <br />SYSTEM <br />NEMA 4 ENCLOSURE <br />FOR PERMANENT <br />® <br />INSTALLATION <br />=�•,il:':r. <br />INDOORS OR <br />OUTDOORS <br />