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Beaudreau Electric, Inc. A Pagel of 4 <br /> Issue Date:April 18,1997 <br /> Revision Date:June 13,2007 <br /> eau reau Electric, Inc. <br /> Models 404 and 406 Liquid Level Sensors, Model DFR-1 Liquid Level Switch, Models EOS100, 510 ane <br /> Discriminating Sensors <br /> with Models 500 and 500C Controllers, Model 522 Remote Monitoring System, <br /> Model 522T Monitoring System,and ESite Monitoring System <br /> INTER AL DETECTOR(LIQUID-PHASE) <br /> Detector: <br /> Output type: qualitative, discriminating <br /> Sampling frequency: continuous <br /> Operating principle: float switch (Model 404, Model DFR-1), refractive index of liquids (Model 406, Model <br /> EOS100), polymer strip, hydrocarbon-only (Model 510), optical sensor and conductivity <br /> (Model 516) <br /> Test Results: <br /> Model 404 Liquid unleaded diesel water brine <br /> Level Sensora9 soline <br /> Detection time (sec) <1 <1 <1 <br /> Fall time manual reset manual reset manual <br /> reset <br /> Precision (in) 0.0124 0.0167 0.0067 <br /> Lower detection limit 0.89 0.72 0.68 <br /> (in) <br /> Model 406 Liquid <br /> Level Sensor <br /> Detection time (sec) <1 <1 <1 <br /> Fall time manual reset manual reset manual <br /> reset <br /> Precision -standard 0.003474 0.001923 0.005329 <br /> deviation (in) <br /> Lower detection limit 0.357 0.321 0.369 <br /> (in) <br /> Model EOS100 <br /> Discriminating <br /> Sensor(5 sensing <br /> levels) <br /> Detection time (sec) <1 <1 <1 <br /> Fall time manual reset manual reset automatic <br /> reset when <br /> water level <br /> drops <br /> Precision (in) <br /> Level 1 (low level 0.005 0.002 0.003 <br /> switch) <br /> Level 0.006 0.002 not <br /> http://www.nwglde.org/evals/beaudreau electric ab.html 9/23/09 <br />