Mtundu wa Kwaya wa thermocouplechromel alumel KP KN 0.01~12mm (mtundu wa K KCA KCB KPX KNX)
Mafotokozedwe Akatundu
Thermocouple ya Tankii NiCr-Ni(Type K) imagwiritsidwa ntchito kwambiri mu thermocouple yonse ya basemetal, pa kutentha kopitilira 500 °C.
Thermocouple ya Type K imalimbana kwambiri ndi okosijeni kuposa ma thermocouple ena achitsulo. Ili ndi EMF yokwera motsutsana ndi Platinum 67, kulondola kwabwino kwa kutentha, kukhudzidwa ndi kukhazikika, komanso mtengo wotsika. Imalimbikitsidwa kuti igwiritsidwe ntchito ngati okosijeni kapena mpweya wopanda mpweya, koma singagwiritsidwe ntchito mwachindunji pazochitika izi:
(1) Kapenanso kupangitsa kuti mpweya ukhale wokhuthala komanso kuchepetsa mpweya.
(2) Mpweya wokhala ndi mpweya wa sulfure.
(3) Nthawi yayitali mu vacuum.
(4) Mpweya wochepa wopangitsa kuti mpweya ukhale woipa monga mpweya wa haidrojeni ndi mpweya wa carbon monoxide.
Gawo Latsatanetsatane
| Kapangidwe ka Mankhwala | |||||
| Dzina la Woyendetsa | Polarity | Khodi | Kapangidwe ka Mankhwala Odziwika /% | ||
| Ni | Cr | Si | |||
| Ni-Cr | Zabwino | KP | 90 | 10 | – |
| Ni- Si | Zoyipa | KN | 97 | – | 3 |
| Kutentha kwa Ntchito | ||
| M'mimba mwake/mm | Kutentha kwa nthawi yayitali /ºC | Nthawi yochepa Kutentha kwa ntchito /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 |
Kugwiritsa ntchito waya wa Thermocouple:
1. Kutentha - Zoyatsira gasi za uvuni
2. Kuziziritsa - Mafiriji
3. Chitetezo cha injini - Kutentha ndi kutentha kwa pamwamba
4. Kulamulira kutentha kwambiri - Kuponya chitsulo
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