Ana amfani da na'urorin auna zafin jiki sosai a fannin sarrafa zafi da kuma sarrafa shi a fannoni daban-daban. Daga cikin nau'ikan na'urorin auna zafin jiki daban-daban,masu amfani da thermomistor, PTC (Positive Temperature Coefficient) da PT100 su ne nau'ikan thermistors guda biyu da aka fi amfani da su. Ana amfani da nau'ikan thermistors guda biyu don auna zafin jiki, amma suna da halaye da aikace-aikace daban-daban. Fahimtar bambance-bambancen da ke tsakanin thermistors na PTC da PT100 yana da mahimmanci don zaɓar firikwensin da ya dace da takamaiman buƙatun auna zafin jiki.
Mai daidaita zafin jiki na PTC:
Masu amfani da thermistors na PTC masu juriya ne masu saurin kamuwa da zafi tare da ma'aunin zafin jiki mai kyau, wanda ke nufin cewa juriyarsu tana ƙaruwa yayin da zafin jiki ke ƙaruwa. Waɗannan masu amfani da thermistors an yi su ne da kayan yumbu kamar barium titanate, kuma juriyarsu tana canzawa sosai tare da canje-canje a yanayin zafi. Ana amfani da masu amfani da thermistors na PTC a aikace-aikace waɗanda ke buƙatar kariyar zafi fiye da kima, daidaita kai, da iyakancewar halin yanzu.
Ɗaya daga cikin manyan fasalulluka na thermistors na PTC shine halayensu na daidaita kansu. Yayin da zafin jiki ke ƙaruwa, juriyar thermistor na PTC yana ƙaruwa, wanda ke haifar da raguwar wutar lantarki. Wannan ɗabi'ar daidaita kanta tana sa thermistors na PTC su dace da aikace-aikace kamar kariyar mota, abubuwan dumama, da kariyar wuce gona da iri a cikin da'irori na lantarki.
Na'urar firikwensin thermal mai juyawa:
Ana amfani da na'urori masu auna zafin jiki masu juyawa a cikin kayan lantarki don sa ido kan zafin na'urorin juyawa a cikin injina, na'urori masu canza wutar lantarki da sauran kayan lantarki. Waɗannan na'urori masu auna zafin jiki suna da mahimmanci don hana zafi fiye da kima da kuma tabbatar da amincin aiki da kayan aiki. Na'urori masu auna zafin jiki masu juyawa galibi suna amfani da na'urorin auna zafin jiki na PTC a matsayin abubuwan da ke auna zafin jiki saboda suna da halaye masu daidaita kansu kuma suna da matuƙar saurin kamuwa da canje-canjen zafin jiki.
Na'urar auna zafin jiki ta PT100:
PT100 na'urar gano yanayin zafi ne mai juriya (RTD) wacce ke amfani da platinum a matsayin abin da ke gano yanayin zafi. Ba kamar na'urorin auna zafin jiki na PTC ba, juriyar na'urorin auna zafin jiki na PT100 yana ƙaruwa a layi tare da zafin jiki, yana bin ƙa'idar dangantakar juriya da zafin jiki da Hukumar Kula da Fasaha ta Duniya (IEC) ta ayyana. An san na'urorin auna zafin jiki na PT100 saboda babban daidaito, kwanciyar hankali da kuma faɗin kewayon ma'aunin zafin jiki, wanda hakan ya sa suka dace da aikace-aikacen auna zafin jiki daidai.
Mai auna zafin jiki na PT100 yana da juriya na 100 ohms a 0°C kuma yana ƙaruwa da kimanin 0.385 ohms ga kowane mataki na ƙaruwar zafin jiki. Wannan alaƙar layi tsakanin juriya da zafin jiki tana ba da damar auna zafin jiki daidai kuma abin dogaro a kan kewayon zafin jiki mai faɗi.
Bambanci tsakanin PTC da PT100:
Babban bambanci tsakanin thermistors na PTC da PT100 shine halayen juriyarsu da zafin jiki. thermistors na PTC suna nuna alaƙar juriya da zafin jiki mara layi tare da ƙimar zafin jiki mai kyau, yayin da thermistors na PT100 suna da alaƙar juriya da zafin jiki mai layi tare da ƙimar zafin jiki kusan sifili.
Wani babban bambanci kuma shi ne kayan da ake amfani da su wajen gina shi. Ana yin thermistors na PTC ne da kayan yumbu, yayin da thermistors na PT100 ke amfani da platinum a matsayin abin da ke ƙara haske. Amfani da platinum a cikin thermistors na PT100 yana taimakawa wajen daidaita daidaito da kwanciyar hankali, musamman a cikin mawuyacin yanayi na masana'antu da dakin gwaje-gwaje.
aikace-aikace:
Ana iya amfani da na'urorin thermistors na PTC don kare zafi fiye da kima, abubuwan dumama masu daidaita kansu, da'irori masu iyakance wutar lantarki da kuma kariyar mota. Halayyarsu ta daidaita kanta ta sa su dace da aikace-aikace inda sarrafa zafin jiki da kariyar suke da mahimmanci.
A gefe guda kuma, ana amfani da na'urorin thermistors na PT100 sosai a cikin masana'antu da dakunan gwaje-gwaje don auna zafin jiki daidai. Ana amfani da su sosai a cikin tsarin sa ido kan zafin jiki, ɗakunan muhalli, tsarin HVAC, da aikace-aikacen binciken kimiyya inda daidaito da kwanciyar hankali na zafin jiki yake da mahimmanci.
A taƙaice, kodayake ana amfani da na'urorin thermistors na PTC da PT100 don gane yanayin zafi, suna da halaye da aikace-aikace daban-daban. An san na'urorin thermistors na PTC saboda halayensu na daidaita kansu kuma ana amfani da su sosai a aikace-aikacen da ke buƙatar kariyar zafi fiye da kima da iyakancewar halin yanzu. Na'urorin thermistors na PT100, a gefe guda, suna ba da daidaito da kwanciyar hankali mai girma, wanda hakan ya sa suka dace da ma'aunin zafin jiki daidai a cikin masana'antu da muhallin dakin gwaje-gwaje. Fahimtar bambance-bambancen da ke tsakanin waɗannan na'urorin thermistors yana da mahimmanci don zaɓar firikwensin da ya dace da takamaiman buƙatun na'urorin thermistors na zafin ku.
Lokacin Saƙo: Afrilu-05-2024