Which component is typically used to change the output signal in an electronic fuel quantity system?

In an electronic fuel quantity system, the transmitter is the key component responsible for converting the physical quantity of fuel (such as the level of fuel in the tank) into a corresponding electronic signal that accurately represents this measurement. Transmitters operate by using various technologies—such as resistive, capacitive, or ultrasonic techniques—to detect the fuel level and create a signal that can be easily processed and interpreted by other components of the aircraft's fuel system.

This signal is then sent to instruments or displays in the cockpit, allowing pilots and crew members to track fuel levels effectively. The transmitter thus plays a crucial role in ensuring that the information regarding fuel quantity is accurate and reliable for flight operations. By transforming the physical measurement into an electronic signal, the transmitter facilitates the monitoring and management of fuel, which is vital for safe and efficient flight.