I-A20-module isekelwe ekusetshenzisweni kwe-probe evaliwe ehlukanisa amanzi.I-Ultrasonic probe isebenzisa idizayini yobuchwepheshe bokulwa namanzi, yehlisa ngempumelelo inkinga yokufingqa kwe-probe, i-IP67 elungele izindawo ezinokhahlo.
Imojula ye-R01 iyinzwa encane engangeni manzi esukela ngobubanzi bangaphakathi obungu-2-400cm.