JEL-400 series ultrasonic level mita o se fua faʻatatau e le faʻafesoʻotaʻi, taugofie ma faigofie ona faʻapipiʻi.O lo'o fa'aogaina ai tekonolosi fa'aola va'alele i le alamanuia lautele o le soifuaga.E le pei o fua fa'atatau masani, o fua fa'atatau o le ultrasonic e tele atu tapula'a.O oloa e tumau ma tumau, faigofie i foliga vaaia, tasi ma faʻalagolago i galuega.