Lub WP421IbNruab nrab thiab kub siab transmitter yog sib sau ua ke nrog cov khoom siv kub siab tiv taus kub, thiab lub sensor probe tuaj yeem ua haujlwm ruaj khov rau lub sijhawm ntev ntawm qhov kub siab ntawm 350℃. Cov txheej txheem laser txias vuam siv ntawm lub hauv paus thiab lub plhaub stainless hlau kom yaj tag nrho rau hauv ib lub cev, kom ntseeg tau tias muaj kev nyab xeeb ntawm lub transmitter nyob rau hauv qhov kub siab. Lub hauv paus siab ntawm lub sensor thiab lub amplifier circuit yog insulated nrog PTFE gaskets, thiab lub dab dej kub ntxiv. Cov qhov txhuas sab hauv yog puv nrog cov khoom siv rwb thaiv tsev thermal ua haujlwm siab aluminium silicate, uas zoo tiv thaiv kev coj cua sov thiab ua kom lub amplification thiab hloov pauv circuit ib feem ua haujlwm ntawm qhov kub tso cai.
Lub tshuab xa tawm siab zoo WP402B xaiv cov khoom xa tawm txawv teb chaws, cov khoom siv rhiab heev nrog cov zaj duab xis tiv thaiv xeb. Cov khoom sib xyaw ua ke cov thev naus laus zis sib xyaw ua ke nrog cov thev naus laus zis diaphragm cais tawm, thiab cov khoom tsim tso cai rau nws ua haujlwm nyob rau hauv cov xwm txheej ib puag ncig hnyav thiab tseem tswj tau qhov ua tau zoo heev. Qhov tsis kam ntawm cov khoom no rau kev them nyiaj kub yog ua rau ntawm cov khoom sib xyaw ua ke, thiab cov khoom rhiab heev muab qhov yuam kev kub me me ntawm 0.25% FS (siab tshaj plaws) hauv qhov kub thiab txias them nyiaj (-20 ~ 85 ℃). Lub tshuab xa tawm siab no muaj zog tiv thaiv kev sib tsoo thiab haum rau daim ntawv thov xa mus deb.