measuring instrument that detect the level of a water in a tank or container, device used to detect the level of water within a tank, mõõtevahend, mis tuvastab vee taseme paagis või mahutis, ujukseade, mida kasutatakse vee taseme tuvastamiseks, spherical, cylindrical, oblong or similarly shaped object, made from either rigid or flexible material, that is buoyant in water and other liquids