Tank Manager Liquid Sensor |
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Tank Management Solutions
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Tank Manager Liquid Sensor
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 Principles of Operation: The Tank Manager liquid sensor is designed to detect the presence of liquids in containment sumps, the interstitial space of double-walled piping, double-walled tanks, and other places that are normally dry. The sensor is positioned in the space at the depth where it should alarm. It can be positioned vertically or horizontally. It will alarm when liquid is present from one end of the sensor tube to the other. It is an ultrasonic sensor, and works by transmitting a sound pulse, which travels to the opposite end of the sensor and bounces back. This is detected at the Tank Manager console. If the space is dry, no reflection appears. The sensor is non-destructive and recovers as soon as liquid is removed. It discriminates between gasoline products and water. The sensor is 3/4" by 3" long. The sensor can be used with cable runs of up to 400 feet or with a multiplexer. Installation: The liquid sensor can be wired directly to an unused channel (no in-tank probe attached) at the Tank Manager Console using home run cable or it can be wired using a multiplexer, which allows several sensors plus an in-tank probe to hook up to one TM channel. Direct installation is described below. To install using a multiplexer, see the Multiplexer Installation sheet.
Applications: The liquid sensor is installed in the interstitial space of double wall tanks, containment sumps, piping sumps, dispenser sumps, and other places to monitor for the presence of liquids and fuel leaks.
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