A cikin masu dumama ruwa, galibi ana amfani da na'urori masu auna zafin jiki don gano yanayin zafin da ke cikin tankin ruwa kuma a mayar da shi ga mai sarrafawa ta yadda mai sarrafa zai iya yin zafi ko dumi bisa ga yanayin da aka saita. Ana amfani da binciken firikwensin zafin jiki 10k musamman don gano zafin ruwan sanyi a cikin tankin ruwa. A wasu masu dumama ruwa, ana kuma amfani da binciken firikwensin zafin jiki 10k don gano zafin ruwan zafi. Iyakar aikace-aikacen binciken firikwensin zafin jiki 50k ya fi girma. Ka'idar firikwensin zafin jiki don masu dumama ruwa yana dogara ne akan tasirin thermoelectric. Yawancin lokaci ana yin shi da kayan ƙarfe kamar jan ƙarfe ko platinum, kuma ƙimar juriyar sa tana canzawa da zafin jiki.
Mai wutar lantarki yana so ya gane madaidaicin zafin jiki na sarrafawa, ɗayan mahimman yanayi shine na'urar firikwensin zafin jiki na NTC, wanda yawanci ana saita shi a cikin fitarwa don sarrafa zafin ruwa. Wasu ƙwararrun ruwan zafi na lantarki kuma sun kafa firikwensin zafin jiki na NTC a bututun mashigai, wanda aka haɗa da allon kewayawa, bisa ga ka'idar da'irar, lokacin da yanayin zafin ruwa ya canza, ƙarfin lantarki a ɓangarorin biyu na juriya na NTC na ciki shima zai canza, kuma CPCP na iya samun ainihin zafin jiki na zafin jiki ta siginar lantarki. A cikin aiwatar da ruwan zafi na lantarki, ana buƙatar daidaiton zafin jiki akai-akai gabaɗaya 2, wanda kuma yana buƙatar thermistor NTC don samun daidaito da hankali.
Lokacin aikawa: Afrilu-23-2025