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HAU Extemal Sm§)r S�bvm <br /> The EMC External Sensor System applies the modular design of the EMC Environmental <br /> Management Console to a sensor monitoring system. If you are satisfied with the way you <br /> currently track in-tank inventory,this system is an excellent way to achieve regulatory compliance <br /> at a minimum cost. <br /> Modular Management. <br /> Plan your detection system using any combination of the two types of EMC External Sensor System <br /> modules. Each module manages up to 4 sensors,for a total of 16 sensors per system. This design <br /> simplifies system expansion and invites the addition of new sensor technology in the future. <br /> Vapor Detection And Groundwater Monitoring Module. <br /> Vapor sensors detect the presence of hydrocarbon vapors. To ensure reliability and reduce the <br /> possibility of false alarms,you can program sensitivity limits to site-specific monitoring levels. <br /> Groundwater sensors trigger an alert,when they detect as little as.004 inches of hydrocarbons <br /> floating on groundwater. There are no moving parts,and hydrocarbons can be detected at any <br /> point along the length of the sensors. <br /> • Interstitial Space And Sump <br /> Monitoring Module. <br /> Interstitial Space and Sump Monitoring sensors trigger <br /> an alert when they detect the presence of liquid. <br /> Install them at the lowest points in the piping sumps <br /> and in the interstitial space in double-walled tanks. <br /> Output Relays. <br /> This standard feature lets you set up the system to <br /> trigger a response from any of up to 5 compatible <br /> devices(such as audible alarms). Each sensor can <br /> activate up to 2 of these relays. One relay has <br /> a programmable time delay feature for extra flexibility. <br /> 4 <br />