Fiilooyinka magdhawga heerkulka waxaa sidoo kale loogu yeeri karaa fiilooyinka qalabka, maadaama loo isticmaalo cabbiraadda heerkulka habka. Dhismaha wuxuu la mid yahay fiilada qalabka isku-dhafka ah laakiin walxaha koontaroolka ayaa ka duwan. Kuleyl-qaadayaasha waxaa loo isticmaalaa hababka lagu dareemo heerkulka waxaana lagu xiraa pyrometer-ka si loo tilmaamo loona xakameeyo. Kuleyl-qaadayaasha iyo pyrometer-ka waxaa koronto ahaan u sameeya fiilooyinka fidinta heerkulka / fiilooyinka magdhawga heerkulka. Koontaroolayaasha loo isticmaalo fiilooyinkan kuleylka waxaa looga baahan yahay inay yeeshaan sifooyin heerkul-koronto (emf) oo la mid ah kan kuleyl-qaadayaasha loo isticmaalo dareemaha heerkulka.
Nooca T Thermocouple (Copper + /Constantan– ) T waa silig heerkulbeeg ah oo cidhiidhi ah oo saxnaan sare leh. Waa mid caan ku ah rakibaadda kormeerka heerkulka sayniska iyo caafimaadka. Saxnimadeedu waa ±1°C / 2°F xadka caadiga ah iyo ±0.5°C / 1°F xadka gaarka ah, waxayna leedahay heerkul -330°F ~ 662°F (-200°C ~ 350°C) iyadoo ku xiran cabbirka cabbirka siligga.
Warshadeennu waxay inta badan soo saartaa fiilada magdhowga ah ee nooca KX,NX,EX,JX,NC,TX,SC/RC,KCA,KCB ee loogu talagalay thermocouple, waxaana loo isticmaalaa qalabka cabbiraadda heerkulka iyo fiilooyinka. Badeecadaha magdhowga ah ee thermocouple-ka waxaa dhammaantood laga sameeyay GB/T 4990-2010 'Fiilooyinka daawaha ee fidinta iyo magdhowga fiilooyinka loogu talagalay thermocouples' (Heerka Qaranka ee Shiinaha), iyo sidoo kale IEC584-3 'Fiilada magdhawga qaybta 3aad ee Thermocouple' (Heerka Caalamiga ah).
Matalidda fiilada isku-darka: koodhka thermocouple+C/X, tusaale ahaan SC, KX
X: Marka loo soo gaabiyo fidinta, macnaheedu waa in dahaarka fiilada magdhowgu uu la mid yahay dahaarka thermocouple-ka
C: Marka loo soo gaabiyo magdhowga, macnaheedu waa in dahaarka fiilada magdhowgu uu leeyahay astaamo la mid ah dahaarka thermocouple-ka oo heerkul gaar ah ku jira.
Codsiga:
1. Kuleylinta - Gubayaasha gaaska ee foornooyinka
2. Qaboojinta - Qaboojiyaha
3. Ilaalinta matoorka - Heerkulka iyo heerkulka dusha sare
4. Xakamaynta heerkulka sare - Birta la shubay
Halbeegyada Faahfaahsan
| Koodhka Heerkulka | Nooca Comp. | Magaca Shirkadda Wire-ka | Togan | Taban | ||
| Magaca | Koodhka | Magaca | Koodhka | |||
| S | SC | naxaas-joogto ah 0.6 | naxaas | SPC | joogto ah 0.6 | SNC |
| R | RC | naxaas-joogto ah 0.6 | naxaas | RPC | joogto ah 0.6 | RNC |
| K | KCA | Birta-constantan22 | Bir | KPCA | constanan22 | KNCA |
| K | KCB | naxaas-joogto ah 40 | naxaas | KPCB | joogto ah 40 | KNCB |
| K | KX | Chromel10-NiSi3 | Chromel10 | KPX | NiSi3 | KNX |
| N | NC | Birta-constantan 18 | Bir | NPC | joogto ah 18 | NNC |
| N | NX | NiCr14Si-NiSi4Mg | NiCr14Si | NPX | NiSi4Mg | NNX |
| E | EX | NiCr10-Constantan45 | NiCr10 | EPX | Constantan45 | ENX |
| J | JX | Birta joogtada ah 45 | Bir | JPX | joogto ah 45 | JNX |
| T | TX | naxaas-joogto ah 45 | naxaas | TPX | joogto ah 45 | TNX |
| Midabka Dahaarka iyo Galka | ||||||
| Nooca | Midabka dahaarka | Midabka Galka | ||||
| Togan | Taban | G | H | |||
| / | S | / | S | |||
| SC/RC | CASAAN | CAGAAR | MADOW | GRAY | MADOW | JAALE |
| KCA | CASAAN | BULUUG | MADOW | GRAY | MADOW | JAALE |
| KCB | CASAAN | BULUUG | MADOW | GRAY | MADOW | JAALE |
| KX | CASAAN | MADOW | MADOW | GRAY | MADOW | JAALE |
| NC | CASAAN | GRAY | MADOW | GRAY | MADOW | JAALE |
| NX | CASAAN | GRAY | MADOW | GRAY | MADOW | JAALE |
| EX | CASAAN | BUUN | MADOW | GRAY | MADOW | JAALE |
| JX | CASAAN | GUDUUD | MADOW | GRAY | MADOW | JAALE |
| TX | CASAAN | CAD | MADOW | GRAY | MADOW | JAALE |
| Fiiro gaar ah: G–Isticmaal guud H–Isticmaal u adkaysta kulaylka S–Fasalka Saxnaanta Fasalka caadiga ah ma laha calaamad | ||||||
Faahfaahinta Baakadaha: 500m/1000m duubkiiba oo leh filim balaastig ah oo la duubay iyo baakad kartoon ah. Sida tirada dalabka iyo shuruudaha macaamiisha.
Faahfaahinta Bixinta: Bixinta Badda/ Hawada/ Degdegga ah









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