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I <br />11 <br />1E <br />Fea=es <br />0 Up to 4 Alarm Modules with <br />LED indicators <br />0 Intrinsically Safe Interface to <br />Sensor. 4S> Approved <br />0 Field -Proven Circuit Design <br />0 Background Vapor Suppression By <br />Front Accessible Potentiometer <br />0 NEMA Type 1 Enclosure <br />0 Rugged Mechanical Design, <br />0 Vapor Sensor <br />® Not affected by Continuous <br />High Concentration of v4por <br />® Resistant to Sulfur (H,S) and <br />Chlorinate (CHCL,) Compounds <br />® Designed for Long Life <br />• Three Years Warranty <br />® UL Listed <br />® Up to 3000 Ft. from Monitor <br />• Liquid Level Sensor <br />® High Reliability <br />® UL Listed <br />• Compatible with Hydrocarbons <br />® Maintenance Free <br />• Alarm Contact Output per Sensor <br />for Remote Indication or <br />Telemetering <br />r] <br />Series X761.0x, <br />Vapor/Ld Detector Syste , <br />The Model X76S Vapor and Liquid Detector System <br />continuously monitors underground storage tank <br />installations for leakage of gasoline, diesel oil, waste oil <br />and other hydrocarbons. <br />Two types of Liquid Level Sensors are horizontally <br />or vertically positioned in the normally dry annular <br />space of double -walled tanks. A reservoir level type is <br />also available where the annular space is water -filled <br />and the loss of water is detected. <br />Vapor Sensors monitor well holes, drilled around the <br />perimeter of single-wall tanks, or the annular space of <br />double-wall tanks. <br />The sensor's outputs are continuously supervised by <br />individual alarm modules via FM approved intrinsically <br />safe barriers. This allows installation of the sensors in <br />Class 1, Division 1, Groups B, C, or D areas as defined in <br />the National Electrical Code, without using costly <br />conduits, conduit seals and explosion proof junction <br />boxes. <br />The X76S provides up to four level or vapor sensor <br />alarms. <br />