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04/10/2001 12:40 9163731 WALTON ENGINEER <br />callfomia Edition, June 2003 <br />Veeder-Root <br />TLS -350 Series <br />Discriminating interstitial Liquid Sensor (794380-341), <br />Dispenser Pan Sensor (794380-320), <br />Discriminating Containment Sump Sensor (794380-350, 360), <br />Discriminating Fibretrench Sensor (794380-360, 361, 362) <br />LIQUID -PHASE INTERSTITIAL DETECTOR <br />Detector: <br />Output type: qualitative <br />Sampling frequency: continuous <br />Operating principle: capacitance change/ultrasonic (794380-341), electrical conductivity/ultrasonic <br />(794380-320, 350, 360, 361, 362) <br />Test Results: <br />Discriminating interstitial Liquid Sensor (794.380-341) <br />Response time (min) <br />Recovery time (min) <br />Product activation height (cm) <br />Dispenser pan Sensor (794380-320), <br />Containment Sump Sensor (794380-350, 360), <br />Discriminating Fibertrench Sensor (794380-360, 3617 362) <br />Response time (min) <br />Recovery time (min) <br />Product activation height (cm) <br />unleaded gasoline water <br />0.46 1.36 <br /><1 <1 <br />0.23 0.69 <br />hislh* low* <br />6.59 5.00 4.60 <br />17.17 <1 <1 <br />3.40 20.3 2.45 <br />*The "high" and "low" refer to high and low level alarm points of hydrostatic sensors. <br />Specificity Results (in addition to above for 794380441): <br />Activated: diesel fuel (at liquid height of 0.37 cm), synthetic gasoline (at 0.35 cm), heating oil #2 <br />(at 0.43 cm). <br />Specificity Results (in addition to above for 794380-320, 350): <br />Activated: diesel fuel (at liquid height of 4.75 cm), synthetic fuel (at 2.58 cm), heating oil #2 <br />(at 4.67 cm). <br />Comments: <br />For Discriminating Fibertrench Sensor (794380-360), lowest water level detection and alarm activation is <br />set at 23, incites high. alnd'highest water alarm is set at 25 inches high; for (7194380-361), values are 13 <br />94 <br />inches and 16 inches; for (7380'-362), values are 3 Inches and 12 Inches, (based on manufacturer's <br />specifications). <br />Sensors are reusable. <br />Veeder-Root <br />125 Powder Forest Dr_ <br />Simsbury, CT 06070-2003 <br />Tel: (860) 651-2700 <br />Evaluator: Carnegie Mellon Research Institute <br />Tel: (412) 268-3495 <br />Dates of Evaluation: 06/30/93, 05/26/93, <br />06/30/97 <br />252 <br />Appearance on this list is not to be construed as an andorpernont by any regulatory agency nor Is It any guarantee of the <br />performance of the method or equipment. Equipment shbuld be Installed and operated in accordance with all applicable laws and <br />regulations, <br />PAGE 03 <br />