Resistance Iidda Platinum, oo sidoo kale loo yaqaan caabbinta kuleylka platinum, qiimaha caabbinta caabbinta ayaa isbadali doonta heerkulka. Iyo qiimaha caabbinta ee iska caabbinta platinum waxay si joogto ah u kordhin doontaa kororka heerkulka.
Iidda Platinum waxaa loo qaybin karaa badeecadaha PT100 iyo PT1000, PT100 macnaheedu waa in caabbinta 0 ℃ ay tahay 100 ohms, pt1000 ay ka dhigan tahay in caabbinta 0 ℃ uu yahay 1000 ohms 1000.
Iska caabbinta platinum waxay leedahay faa'iidooyinka iska caabbinta gariirka, xasilloonida wanaagsan, saxsanaanta cadaadiska sare, iwm.
Dareemaha heerkulka ee PT100 ama PT1000 waa dareemayaal aad u badan oo ka mid ah warshadaha hawsha. Maaddaama ay labadaba yihiin dareemayaasha RTD, soo gaabinta RTD waxay u taagan tahay "Baaraha Heerkulka Caqiidada". Sidaa darteed, waa dareenka heerkulka halka caabbinta ay kuxirantahay heerkulka; Marka heerkulku isbedelo, iska caabbinta dareenka dareenka ayaa waliba is beddeli doona. Sidaa darteed, cabirka caabbinta caabbinta dareeraha RTD, waxaad u isticmaali kartaa dareeraha RTD si aad u cabbirto heerkulka.
Dareemaha RTD waxaa badanaa laga sameeyaa Platinum, naxaas, eleolog neckel ama oxideyo bir ah oo kala duwan, iyo PT100 waa mid ka mid ah dareemayaasha ugu caansan. Platinum waa maaddada ugu badan ee dareemayaasha RTD. Platinum wuxuu leeyahay xiriir la isku halleyn karo, oo lagu kalsoonaan karo oo toosan oo toosan. Dareemaha RTD ee ka samaysan platinum waxaa loo yaqaan Platinum, ama "platinum platinum platemotometers." Senter-ka ugu caansan ee loo yaqaan 'PRT' ee 'PRT' ee warshadaha hawsha ayaa ah dareeraha PT100. Lambarka "100" magaca ayaa muujinaya iska caabbinta 100 ohms 0 ° C (32 ° F). Inbadan oo pt15, PT100 waa sahlan tahay in la qiyaaso: tani waa iska caabbinta dareenka ah 0 ° C. ° C. ku xusan magaca. Tusaale ahaan, dareeraha PT1000 wuxuu leeyahay iska caabbinta 1000 ohms 0 ° C. Sidoo kale waxay u dhigeysaa inay heerkulka heerkulka ah ee heerkulka ah (385), hadii aan la xusin, hadii aan la xusin. 385.
Farqiga u dhexeeya PT1000 iyo iska caasiyihii PT100 waa sida soo socota:
1. Xaqiiqdadu way ka duwan tahay: Xasaasiyadda falcelinta ee PT1000 ayaa ka sarreeya kan PT100. Heerkulka PT1000 wuxuu isbedelaa hal darajo, oo qiimayaasha iska caabbinta ayaa kordha ama hoos u dhaca qiyaastii 3.8 ohms. Heerkulka PT100 isbedelada PT100 hal darajo ah hal darajo, iyo qiimayaasha iska caabbinta ayaa kordhaya ama hoos udhacaya qiyaastii 0.38 ohms, sida iska cad 3.8 Ohms waa sahlan tahay in si sax ah loo cabbiro, sidaa darteed saxnimadu sidoo kale way ka sarreysaa.
2. Heerka heerkulka cabbirka ayaa ka duwan.
PT1000 waxay ku habboon tahay cabirka heerkulka ee ugu yar; PT100 waxay ku habboon tahay cabirka cabbiraadda heerkulka ee badan.
3. Qiimaha ayaa ka duwan. Qiimaha PT1000 wuu ka sarreeyaa kan PT100.
Waqtiga Post: Jul-20-2023