Sesebelisoa sa khatello ea WP401B se amohela karolo ea sensor e tsoetseng pele e tsoang kantle ho naha, e kopantsoeng le theknoloji e kopaneng ea thekenoloji le thekenoloji e ikhethileng ea diaphragm.Mochine o fetisang khatello o etselitsoe ho sebetsa hantle tlas'a maemo a fapaneng.Ho hanyetsa matšeliso a mocheso ho etsa motheong oa ceramic, e leng theknoloji e babatsehang ea li-transmitters tsa khatello.E na le matšoao a tloaelehileng a tlhahiso ea 4-20mA le mosebetsi oa ho fetola (PNP, NPN).Transducer ena ea khatello e na le anti-jamming e matla le lisutu bakeng sa ts'ebeliso ea phetisetso ea sebaka se selelele.