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Water Boards: LG 113 Page 1 of 2 <br />Issue Date: November 22, 1995 <br />Revision Date: May 20, 2003 <br />TLS -300 Series, TLS -350 Series, EMC Series, EMC Basic, Red Jacket ProMax and ProPlus wi <br />Single Stage Hydrostatic Sensor 794380-301, <br />Dual Stage Hydrostatic Sensors 794380-302, 303 <br />014 11441 to]' • • <br />Output type: qualitative <br />Sampling frequency: continuous <br />Operating principle: float switch <br />Test Results: <br />Single Stage Hydrostatic 30% by weight <br />Sensor 794380-301 calcium chloride in water <br />Product Activation Height (in) 1.74 <br />Response time (min) <br /><1 <br />Recovery time (min) <br /><1 <br />Dual Stage Hydrostatic Sensor <br />water <br />794380-302 <br />high*** <br />low*** <br />Product activation height (in) <br />12.25 <br />1.62 <br />Response time (min) <br /><1 <br /><1 <br />Recovery time (min) <br /><1 <br /><1 <br />Dual Stage Hydrostatic Sensor <br />30% by weight <br />794380-303 <br />calcium chloride <br />in water <br />high*** <br />low*** <br />Product activation height (in) <br />13.13 <br />1.20 <br />Response time (min) <br /><1 <br /><1 <br />Recovery time (min) <br /><1 <br /><1 <br />**50% by weight <br />ethvlene alvcol in water <br />1.5 <br />35.75 <br /><1 <br />**Evaluation performed by Carnegie Mellon Institute. <br />***The "high" and "low" refer to high and low level alarm points of dual stage hydrostatic sensors. <br />Comments: <br />EMC Series and EMC Basic controllers have been evaluated only for use with sensors 794380-301 and 794380-30 <br />Evaluator reports that sensors will respond to any liquid after their thresholds are exceeded. <br />Response times measured from trigger point, except for sensor 794380-301 with 50% by weight ethylene glycol <br />http://www.swrcb.ca.gov/ust/leak_prevention/lgl13Nendor Files/veeder root_q.html 1/7/2008 <br />