The FL-2 offers pilots digital fuel levels, with unprecedented accuracy, for dual fuel tanks. Not only does the FL-2 display each tank digitally, it also provides 90′ graphical arcs for immediate, quick reference of each tank’s level. The FL-2 can be ordered to work with resistive probes for 12 or 24 volts.
The FL-2 is not STC’d for installation in a certified aircraft.
WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. www.P65Warnings.ca.gov
Fuel gauge is very functional. It can be calibrated reasonably easily. It gives a complete picture of your fuel situation at a glance. Each tank is calibrated separately and they can be different sizes and configurations. it is set up so you can revise single or multiple calibration points without draining the fuel from the tanks and starting again from scratch. This feature is very useful if you make an error part way through the calibration.
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Per the supplier: No, it does not include the sending units.
The Electronics International FL-2RA-12/24 Dual Fuel Level Resistive Gauge is NON-TSO'd and cannot be a replacement gauge for a Cessna 182.
The EI FL 2RA is designed to work with a resistive style fuel level probe. EI makes the P-300M part number 10-05097.
These instruments are still experimental only. The web page overview has now been updated to better indicate this status.
This unit will have no problem working properly in your aircraft, with that voltage.