Ta yaya firikwensin PT100 ke aiki?

Saukewa: PT100firikwensin zafin jiki ne na juriya wanda ka'idar aiki ta dogara ne akan canjin juriyar madugu tare da zafin jiki. PT100 an yi shi da platinum mai tsabta kuma yana da kyakkyawan kwanciyar hankali da layi, don haka ana amfani da shi sosai don auna zafin jiki. A sifilin digiri Celsius, ƙimar juriya na PT100 shine 100 ohms. Yayin da yanayin zafi ya karu ko raguwa, juriya yana karuwa ko raguwa daidai. Ta hanyar auna ƙimar juriya na PT100, ana iya ƙididdige yawan zafin jiki na muhalli daidai.
Lokacin da firikwensin PT100 ke gudana a halin yanzu, ƙarfin ƙarfinsa yana daidai da canjin yanayin zafi, don haka ana iya auna zafin jiki a kaikaice ta hanyar auna wutar lantarki. Wannan hanyar auna ana kiranta "nau'in fitarwa na lantarki" ma'aunin zafin jiki. Wata hanyar ma'aunin gama gari ita ce "nau'in fitarwa na juriya", wanda ke ƙididdige zafin jiki ta hanyar auna ƙimar juriya na PT100. Ko da kuwa hanyar da aka yi amfani da ita, firikwensin PT100 yana ba da ma'aunin zafin jiki daidai sosai kuma ana amfani dashi sosai a cikin nau'ikan sarrafa zafin jiki da aikace-aikacen sa ido.
Gabaɗaya, firikwensin PT100 yana amfani da ƙa'idar juriya mai canzawa tare da zafin jiki don auna zafin jiki daidai ta hanyar auna juriya ko ƙarfin lantarki, yana ba da sakamakon ma'aunin madaidaicin zafin jiki don sarrafa zafin jiki daban-daban da aikace-aikacen sa ido.