Description The Veeder Root 857080-111 12" Mag Sump Sensor can quickly and accurately detect the presence and the amount of water and/or fuel in the containment sump or dispenser pan. Using proven magnetostrictive technology to detect hydrocarbons or water, Veeder-Root’s Mag Sump Sensor produces fast reaction and recovery times, which eliminates costly and unwarranted service calls and sensor replacements. And where it’s allowed, stations can remain open when only water is detected.The sensor has fast reaction and recovery times which both eliminate costly and unwarranted service dispatches and sensor replacements. This fast reaction and recovery time also allows for quick and easy periodic operability testing if required by local agencies. Key features: Where continuous monitoring of the sensor position is required by law, site owners are immediately notified if the sensor has been moved from its proper position at the bottom of the containment sump or dispenser pan Alarm Conditions – Fuel Alarm, Water Warning, Water Alarm, Installation Alarm and Communication Alarm are indicated by an audible alarm, a displayed message and a printed message on the TLS / EMC console. They are also recorded as a part of the TLS / EMC console Alarm History Report.