A solid state fuel or oil level sensor T/LL140 series is a range of SAE 5 Hole mounted fuel sensors for continuously measuring the contents of a fuel tank providing a factory set variable resistive or voltage output. The sensor can be re-calibrated each time the tank is filled and can operate even with the inclusion of fuel additives.
T/LL140 is available for tank depths between 200 mm and 1100 mm it can also be cut to length and to be recalibrated by the user. It also features a low level alarm that switches when the fuel drops below a predetermined level.
A liquid level sensor T/LL130 is designed for use in water, coolant or fuel/oil tanks and provides a factory set variable resistive or voltage output suitable for driving industry standard fuel gauges or connecting into PLCs. Available for tank depths between 200 mm and 2000 mm it can be used in any liquids compatible with the wetted parts.
The device has no moving parts to stick or wear and can be mounted at any angle above horizontal as long as it covers the whole depth of the tank (the unit cannot be inverted). An optional manual calibration feature is available.
T/LL171 and T/LL174 are vertically mounted, highly advanced sensors designed to continuously measure the height of the liquid for use in fuels and water based liquids such as engine coolant. Occupying a tiny footprint, the sensors are available in lengths between 90 and 500 mm long. The T/LL171 provides a current output whereas the T/LL174 provides a voltage output.
Although the sensor is not a loop powered device, it is suitable for use in difficult and hostile environments. The sensor has a very small footprint with its advanced electronics being housed in the hexagon header.
Unusually for solid-state liquid level sensors, the T/LL17x series can be used in very shallow tanks without detriment to its accuracy. The T/LL17x has an integral Packard Metri-pak 150 series connector but can also be supplied with a flying lead and a suitable connector of your choice
The Model T/LL350 series provides a continuous level measurement of tank contents and offers a choice of voltage, resistance or 4-20 mA outputs. The dual probe design allows the sensor to continuously self calibrate and detect, for example, different fuels, and will recalibrate the output to compensate for differing dielectric constants. Therefore, if a tank is filled with conventional diesel and then bio-diesel, the sensor automatically calibrates to give a corrected output without the need for the user’s intervention.
FR37x range of Fuel Level Sensors are equipped with fuel feed and return pipes, removing the need for additional fuel extraction and filling connections and simplifying the fuel tank assembly and installation.
Fozmula’s capacitance technology means no moving parts and, as a result; improved accuracy and reliability compared to mechanical alternatives. This range has a modular design enabling a great deal of flexibility to provide customers with options to suit specific applications.
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