I-WP421AIsidlulisi soxinzelelo lobushushu obuphakathi nophezulu sihlanganiswe nezinto ezingaphandle ezinobuzwe obumelana nobushushu obuphezulu, kwaye i-sensor probe ingasebenza ngokuzinzileyo ixesha elide kubushushu obuphezulu be-350℃Inkqubo yokudibanisa i-laser cold welding isetyenziswa phakathi kwe-core kunye ne-stainless steel shell ukuze iyinyibilikise ngokupheleleyo ibe yi-body enye, ukuqinisekisa ukhuseleko lwe-transmitter phantsi kweemeko zobushushu obuphezulu. I-pressure core ye-sensor kunye ne-amplifier circuit zigqunywe ngee-PTFE gaskets, kwaye kongezwa i-heat sink. Imingxunya yangaphakathi ye-lead izaliswe yi-aluminium silicate, ethintela ngokufanelekileyo ukuhanjiswa kobushushu kwaye iqinisekise ukuba i-amplification kunye ne-conversion circuit part work iyasebenza kubushushu obuvumelekileyo.