Uhlobo lwe-Kucingo lwe-thermocouplei-chromel alumel KP KN 0.01~12mm (uhlobo K KCA KCB KPX KNX)
Incazelo Yomkhiqizo
I-thermocouple ye-Tankii NiCr-Ni(Type K) isetshenziswa kakhulu kuzo zonke i-thermocouple zensimbi eziyisisekelo, lapho izinga lokushisa lingaphezu kuka-500 °C.
I-thermocouple yohlobo lwe-K inokumelana okunamandla ne-oxidation kunezinye i-thermocouple zensimbi eziyisisekelo. Ine-EMF ephezulu ngokumelene ne-Platinum 67, ukunemba okuhle kakhulu kokushisa, ukuzwela kanye nokuqina, ngezindleko eziphansi. Inconywa ukuthi isetshenziswe ekushiseni noma emoyeni ongasebenzi kahle, kodwa ayikwazi ukusetshenziswa ngqo ezimweni ezilandelayo:
(1) Ngaphandle kwalokho, umoya okhipha i-oxidation nokunciphisa.
(2) Umkhathi onamagesi esibabule.
(3) Isikhathi eside endaweni engenamuntu.
(4) Umkhathi ophansi okhipha i-oxidation njengomkhathi we-hydrogen ne-carbon monoxide.
Ipharamitha Eningiliziwe
| Ukwakheka Kwamakhemikhali | |||||
| Igama Lomqhubi | I-Polarity | Ikhodi | Ukwakheka Kwamakhemikhali Okujwayelekile /% | ||
| Ni | Cr | Si | |||
| I-Ni-Cr | Okuhle | KP | 90 | 10 | – |
| I-Ni- Si | Okubi | KN | 97 | – | 3 |
| Izinga Lokushisa Elisebenzayo | ||
| Ububanzi/mm | Izinga lokushisa lokusebenza isikhathi eside /ºC | Isikhathi esifushane Izinga lokushisa lokusebenza /ºC |
| 0.3 | 700 | 800 |
| 0.5 | 800 | 900 |
| 0.8,1.0 | 900 | 1000 |
| 1.2,1.6 | 1000 | 1100 |
| 2.0,2.5 | 1100 | 1200 |
| 3.2 | 1200 | 1300 |
Isicelo se-thermocouple wire:
1. Ukushisa - Izitofu zegesi zama-oven
2. Ukupholisa - Amafriji
3. Ukuvikelwa kwenjini - Amazinga okushisa kanye namazinga okushisa angaphezulu
4. Ukulawula izinga lokushisa eliphezulu - Ukusatshalaliswa kwensimbi
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