RS Hydro is a manufacturer of level sensors and transmitter for various pressure, ultrasonic, open channel, radar and capacitance level measuring applications. Hydrostatic pressure level sensors from RS Hydro are submersible sensors used for measuring the level of liquids (including corrosive liquids) in deep tanks or water in reservoirs. RS Hydro's capacitance level sensors are rugged and contain no moving parts making them easy and simple to use and maintain.

Liquid level sensors from Gill Sensors are used for a variety of applications such as motorsport formulas, military vehicle and unmanned aerial vehicles (UAVs), automotive research, process industry applications and more with features including configurable 0-5V analog output, full integrated electronics and no moving parts. Custom designs are also offered.