Vendor of Sigma ULS is RCS.
SIGMA ULS non-invasive ultrasonic level sensor. Can be used to measure level of liquids in reservoirs, including LPG in the vehicles tanks. Sensor is fastened to the bottom of the tank and do not have direct contact with the liquid. The device allows us to measure level of water, LPG (propane-butane) and other fluids. Sensor is compatible with various control units, data concentrators and GPS tracking equipment.