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AMERICAN ENVIRONMENTAL MANAGEMENT CORP. The Horner Ezy-Chek Tank Testing System monitors both change in temperature and change in liquid level. 1) Monitoring Temperature of the Product - The temperature probe is designed to monitor the entire volume of the tank and to show any change of product temperature to .001 degree Fahrenheit on a digital readout. The tank probe is an averaging probe 24 feet long, incased in a nylon tubing formed in a coil spring design, with more coils in the center of the product and less at the top and bottom to conform to the configuration of the tank. The temperature probe is inserted in the product with a weight attached to the bottom which automatically adjusts to any diameter tank from 24" to 20 ' . The digital readout is powered by a 12 volt powerpack. The readout is capable of monitoring one or two tanks simultaneously with a selector switch to read each individual tank temperature change. Full scale of the readout is zero to 100 degrees Fahrenheit. 2) Liquid Level Monitoring - The Ezy-Chek System uses a chart recorder which is actually a pressure recorder capable of detecting a change in liquid level of .005 inches and generates a permanent record of the test. An air supply tank is also used with the chart recorder. The air supply tank forces a small movement of air into the top 1/2" of liquid (just enough to cause a bubbling action) through a 1/4" tube clamped to the fillpipe or standpipe. The chart recorder measures the pressure it takes to cause the bubbling action. Liquid level bubbling systems have been used in the petroleum industry as tank gauges for years. Using a special bellows Ezy-Chek has made the chart recorder very sensitive. The Ezy-Chek Tank Testing System compares change in temperature to change in liquid level to determine gain or loss of product. 11855 White back Road Rancho Cordova,California 95670/(916)985.6666