Juriya na Platinum, wanda kuma aka sani da juriya na thermal platinum, ƙimar juriyarsa za ta canza tare da zafin jiki.Kuma ƙimar juriya na juriya na platinum zai ƙaru akai-akai tare da karuwar zafin jiki.
Platinum juriya za a iya raba PT100 da PT1000 jerin kayayyakin, PT100 yana nufin cewa juriya a 0 ℃ ne 100 ohms, PT1000 yana nufin cewa juriya a 0 ℃ ne 1000 ohms.
Platinum juriya yana da abũbuwan amfãni daga vibration juriya, mai kyau kwanciyar hankali, high daidaito, high matsa lamba juriya, da dai sauransu An yi amfani da ko'ina a cikin likita, mota, masana'antu, zazzabi lissafin, tauraron dan adam, weather, juriya lissafin da sauran high madaidaicin zafin jiki kayan aiki.
PT100 ko PT1000 zafin jiki na'urori masu auna firikwensin firikwensin na kowa a cikin masana'antar sarrafawa.Tunda su duka na'urori masu auna firikwensin RTD ne, raguwar RTD tana nufin "ma'aunin zafin jiki na juriya".Saboda haka, yana da firikwensin zafin jiki inda juriya ya dogara da zafin jiki;Lokacin da zafin jiki ya canza, juriya na firikwensin shima zai canza.Don haka, ta hanyar auna juriya na firikwensin RTD, zaku iya amfani da firikwensin RTD don auna zafin jiki.
Ana yin na'urori masu auna firikwensin RTD da yawa daga platinum, jan ƙarfe, nickel alloys ko ƙarfe oxides daban-daban, kuma PT100 na ɗaya daga cikin firikwensin na yau da kullun.Platinum shine abu na yau da kullun don firikwensin RTD.Platinum yana da amintacciyar alaƙa, maimaituwa da juriyar yanayin zafi na layi.Ana kiran na'urori masu auna firikwensin RTD da aka yi da platinum PRTS, ko "ma'aunin zafin jiki na platinum."Firikwensin PRT da aka fi amfani dashi a cikin masana'antar sarrafawa shine firikwensin PT100.Lambar “100” a cikin sunan tana nuna juriya na 100 ohms a 0°C (32°F).Karin bayani akan haka daga baya.Yayin da PT100 shine firikwensin platinum RTD/PRT, akwai wasu da yawa, kamar PT25, PT50, PT200, PT500, da PT1000.Babban bambanci tsakanin waɗannan na'urori masu auna firikwensin yana da sauƙin tsammani: wannan shine juriya na firikwensin a 0 ° C, wanda aka ambata a cikin sunan.Misali, firikwensin PT1000 yana da juriya na 1000 ohms a 0 ° C.Hakanan yana da mahimmanci a fahimci ma'aunin zafin jiki saboda yana rinjayar juriya a wasu yanayin zafi.Idan PT1000 (385) ne, wannan yana nufin yana da ma'aunin zafin jiki na 0.00385°C.A duk duniya, nau'in da aka fi sani da shi shine 385. Idan ba'a ambaci ƙididdiga ba, yawanci 385 ne.
Bambancin Tsakanin PT1000 da PT100 Resistors shine kamar haka:
1. Daidaiton ya bambanta: Halin halayen PT1000 ya fi na PT100.Yanayin zafin jiki na PT1000 yana canzawa ta digiri ɗaya, kuma ƙimar juriya yana ƙaruwa ko raguwa da kusan 3.8 ohms.Yanayin zafin jiki na PT100 yana canzawa da digiri ɗaya, kuma ƙimar juriya yana ƙaruwa ko raguwa da kusan 0.38 ohms, a fili 3.8 ohms ya fi sauƙi don auna daidai, don haka daidaito kuma ya fi girma.
2. Ma'aunin zafin jiki ya bambanta.
PT1000 ya dace da ƙananan ma'aunin zafin jiki;PT100 ya dace don auna manyan ma'aunin zafin jiki.
3. Farashin ya bambanta.Farashin PT1000 ya fi na PT100.
Lokacin aikawa: Yuli-20-2023