The Gill R-Series level sensor is available for gasoline/petroleum, oil or biofuel medium. This sensor is equipped as standard with an SAE 5-bolt mounting pattern, common with the aperture in FIA Motorsport fuel cells.

The R-Series sensor is a solid-state capacitive device and is offered with standard features such as integral electronics and predetermined probe length options, avoiding the need for any mechanical adjustment by the customer. Additional features include a low flange height profile and side exit fully sealed cable, providing the user with a robust sensor.