- Fort Lauderdale, FL USA - Wema is known for tailoring it's marine fuel sensors to the precise specifications of boat producers and shipyards, regardless of how large (or small) a production series you might require. Our sensors can be made compatible with any tank form, hull size and mounting whole pattern. They are easy-to-mount and just as easy to service. To ensure a long product life in demanding marine environments, Wema uses stainless steel and non-corrosive materials. In addition to fuel sensors, single gauges and multi-tank panels, we also provide bilge pump switches and leakage alarms, all made according to the strictest specifications. RCL070605