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The Leak Alert System • <br /> Introducing Leak Alert, a highly The Leak Alert System offers two <br /> reliable, state-of-the-art system for types of sensing probes: (1)a thermal <br /> continuous monitoring of element capable ofdetecting the pre- <br /> underground storage tanks. De- sence of any liquid, and (2) a metal- <br /> signed and developed by Universal oxide-semiconductor (MOS) sensor <br /> Sensors & Devices, this exciting but that recognizes the presence of most <br /> economical new electronic system combustible and organic gases. A <br /> provides both visual and audible single alarm panel will work simulta- <br /> warnings of leaking fluids and/or the neously with both types of sensors — <br /> vapors often generated by leaking up to 16 channels in all, depending <br /> fluids. on Leak Alert model selected. <br /> ':.., NEMA 4 j <br /> WEATHER PROOF E <br /> PROBE ENCLOSURE <br /> POWER <br /> INDICATOR ; ._ • VIEWING <br /> . .. • _��WINDOW <br /> 1 <br /> INDIVIDUAL LEAK ALERT `—MASTER VISUAL ALARM <br /> PROBE AUDIBLE ALARM <br /> t ALARMS f <br /> k( '} AUDIBLE ALARM <br /> DEFEAT SWITCH <br /> i ± _ TAMPERPROOF <br /> f TEST ENCLOSURE i <br /> SWITCHES a ,,. - SEAL <br /> �,�..a. ,,,.... CONDUIT FOR <br /> -• AC POWER, RELAY E <br /> CONDUIT FOR —�J CONTACTS, B ANALOG <br /> PROBE CABLES SIGNAL OUTPUTS <br /> ................................................................................................................ ,... ..... <br /> t ....................................................................................................... <br /> SystemFeaturesi........................................................................................... <br /> ■ No moving parts;non-corro- ■ Field adjustable alarm set- <br /> sive sensor materials for point for background vapor <br /> long service life. screening. <br /> ■ Compact sensing probes ■ Built-in audio & visual <br /> with flexible cables; oper- alarms. <br /> ate in double-walled steel arY relay ut for <br /> ■ Auxili rel out <br /> or FRP tanks, wet or vadose P <br /> zone monitoring wells. remote alarm, phone dia- <br /> ■ Simple installation; probe ler, or pump shutdown <br /> can easily be removed for applications. <br /> inspection or calibration. ■ Optional analog output for <br /> ■ Models available to moni- recording or control instru- <br /> tor up.to 4,8 or 16 sensors per mentation. <br /> alarm panel. <br /> * The Leak Alert Systems have been approved for use by the Elec- <br /> trical Testing Laboratory, Department of Building and Safety, <br /> City of Los Angeles, California: Application No. 249649. <br />