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TANK SENTINELfD <br /> • l# 1 _ <br /> ECONOMY LIQUID SENSOR <br /> DESCRIPTION <br /> The TSP-EIS Liquid Sensor is an electro-optic liquid sensor <br /> which may be used with all Tank Sentinel®automatic tank <br /> gauge consoles equipped with point sensor inputs.It may be <br /> installed in the space between the walls of double wall tanks, <br /> in sumps, or in other locations where the presence of liquid 1 <br /> indicates aleakhas occurred.TheTSP-EIS is madeofchemically <br /> resistant polysulfone plastic to assure compatibility with most <br /> liquids and is supplied with 25 feet of oil resistant cable <br /> attached.A normally closed output circuit provides supervised <br /> operation,ensuring that broken wires and similar failures will <br /> not go undetected. <br /> THEORY OF OPERATION APPLICATION <br /> The secret to the TSP-EIS's reliability is its electro-optic The TSP-EIS maybe installed in fiberglass or steel double wall <br /> technology.Inside the body of the probe,a small fight-emitting tanks as well as in sumps and other locations. To install the <br /> diode creates a beam of infrared light.This tight travels through sensor in a fiberglass tank, it is typically pnlled into the <br /> the transparent plastic prism to its surface.If the probe is dry, interstitial space using a"fish"string or wire.In steel tanks,the <br /> the light is reflected back to the light sensor.Wt-n the probe probe is usually lowered directly to thebottom of the interstitial <br /> is immersed in liquid,the light travels out of the prism,and no space through a 2-inch NPT fitting provided for that purpose. <br /> light is reflected back to the light sensor. The light sensors Installation kits are available which include a riser cap and <br /> output signal is used to indicate whethertheprobe iswet ordry. other parts required to complete the installation. <br /> ORDER PART NUMBER:TSP-EIS <br /> FIBERGLASS TANK STEEL TANK <br /> INSTALLATION INSTALLATION <br /> 2.62 <br /> 6'B'HEX <br /> Distributed by: <br /> ?. �0NI <br /> INTELLIGENT CONTROLS INC. <br /> P.O. Box 638•Saco,ME 04072 USA <br /> 800-833-83281207-283-0156 <br /> OW 1253 m,.A Fax:207.283-0156 <br />