K homhlau thermocouplechromel alumel KP KN 0.01 ~ 12mm (hom K KCA KCB KPX KNX)
Kev piav qhia txog khoom
Tankii NiCr-Ni (Hom K) thermocouple pom tias siv dav tshaj plaws hauv txhua lub thermocouple basemetal, ntawm qhov kub siab tshaj 500 ° C.
Hom K thermocouple muaj zog tiv taus oxidation dua li lwm cov thermocouples hlau. Nws muaj EMF siab tiv thaiv Platinum 67, qhov kub zoo heev, rhiab heev thiab ruaj khov, nrog rau tus nqi qis. Nws raug pom zoo rau oxidizing lossis inert atmospheres, tab sis tsis tuaj yeem siv ncaj qha rau hauv cov xwm txheej hauv qab no:
(1) Lwm txoj hauv kev oxidizing thiab txo cov huab cua.
(2) Huab cua nrog cov pa roj sulfur.
(3) Lub sijhawm ntev hauv lub tshuab nqus tsev.
(4) Huab cua oxidizing qis xws li huab cua hydrogen thiab carbon monoxide.
Cov Txheej Txheem Nthuav Dav
| Cov Tshuaj Lom Zem | |||||
| Lub Npe Tus Neeg Coj | Polarity | Cov Cai | Cov Tshuaj Lom Zem Nominal /% | ||
| Ni | Cr | Si | |||
| Ni-Cr | Zoo | KP | 90 | 10 | – |
| Ni- Si | Tsis zoo | KN | 97 | – | 3 |
| Kub Ua Haujlwm | ||
| Txoj kab uas hla/hli | Kub ua haujlwm ntev / ºC | Lub sijhawm luv luv ua haujlwm kub / 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 |
Daim Ntawv Thov Thermocouple Hlau:
1. Kev Ua Kub - Cov roj hlawv rau qhov cub
2. Kev Txias - Lub Tub Yees
3. Kev tiv thaiv cav - Kub thiab kub ntawm qhov chaw
4. Kev tswj kub siab - Hlau casting
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