Ukunganyangeki kwePlatinam, okwaziwa ngokuba yiplatinam yeplatinal yobushushu, ixabiso laso lokuxhathisa liya kutshintsha kunye neqondo lobushushu. Kwaye ixabiso lokuchasana kwePlatinam Ukunyuka rhoqo ngokunyuka kobushushu.
Ukunganyangeki kwePlatinam kunokwahlulwa kwiimveliso zePT100 kunye ne-PT1000, i-PT100 kuthetha ukuba ukumelana kwe-0 ℃ yi-100 OHMS, i-PT1000 kuthetha ukuba i-1000 OHMS.
Ukunganyangeki kwePlatinam kunezibonelelo zokunganyangeki, ukuzinza okuhle, ukuchaneka koxinzelelo, ishishini, ubalo lwesatelling, isimo semozulu, kunye nezinye izixhobo eziphezulu zobushushu.
I-PT100 okanye i-PT1000 ye-PT1000 i-sloors ziqhelekileyo ziqhelekileyo kwishishini lenkqubo. Kuba bobabini bezinzwa ze-RTRD, i-RTD yesifinyezo imele "i-RTD yokuchasana". Ke ngoko, ngumnxuwa wobushushu apho ukumelana kuxhomekeke kubushushu; Xa ubushushu obuguqukayo, ukuxhathisa kwesosi kuya kutshintsha. Ke ngoko, ngokulinganisa ukuxhathisa i-RTRD Solsor, ungasebenzisa inzwa ye-RTD ukulinganisa ubushushu.
Imithombo ye-RTD ihlala yenziwa ngeplatinam, ubhedu, i-nickel alloys okanye ii-oxidee zentsimbi ezahlukeneyo, kunye ne-PT100 yenye yezona zinzwa ziqhelekileyo. IPlatinam yeyona nto ixhaphakileyo kwizinzwa ze-IRTD. IPlatinam inomgangatho othembekileyo, ophindaphindiweyo kunye nobushushu obunamanzi. Izinzwa ze-RTD ezenziwe ngeplatinam zibizwa ngokuba zii-PRRET, okanye "iPlatinam Ukunganyangeki." Owona mbhalo uqhelekileyo oqhelekileyo kwi-PRT yenkqubo yeSpeyishini yi-PT100 i-PT100. Inombolo "100" kwigama ibonisa ukuxhathisa ii-OHMS ezili-100 kwi-0 ° C igama. Umzekelo, i-sensor ye-PT1000 inomxhathisi we-1000 OHMS nge-0 ° C. Ikwabalulekile ukuba ilingane nobushushu obungama-385. Ukuba i-385.
Umahluko phakathi kwe-PT1000 kunye ne-PT100 yobaphesha ngolu hlobo lulandelayo:
1. Ukuchaneka kwahlukile: imvakalelo yokuphendula ye-PT1000 iphezulu kune-PT100. Iqondo lobushushu le-PT1000 ngotshintsho lwesithuba esinye, kwaye ixabiso lokuchasana nokunyuka okanye ukuncipha malunga ne-3.8 OHMS. Iqondo lobushushu le-pt100 itshintsha ngenqanaba elinye, kwaye ixabiso lokuchasana nokunyuka okanye ukuncipha malunga ne-0.38 OHMS, ngokucacileyo i-3.8 I-OHMS kulula ukuyilinganisa ngokuchanekileyo, ngoko kuchanekile.
2. Uluhlu lobushushu lwemilinganiselo lwahlukile.
I-PT1000 ilungele umlinganiso wobushushu obuncinci; I-PT100 ifanelekile ukulinganisa imilinganiselo yobushushu yenqanaba elikhulu.
3. Ixabiso lahlukile. Ixabiso le-PT1000 liphezulu kune-PT100.
IXESHA LOKUQALA: UJUL-20-2023