1.ChemicalCudindo
Zakuthupi | Kapangidwe ka mankhwala (%) | ||||
Ni | Cr | Si | Mn | Al | |
KP(Chromel) | 90 | 10 | |||
KN (Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 |
2.Thupi katundundi Mechnical properties
Zakuthupi | Kuchulukana (g/cm3) | Malo osungunuka ℃) | Kulimba kwamakokedwe (Mpa) | Kulephera kwa voliyumu (μΩ.cm) | Elongation rate (%) |
KP(Chromel) | 8.5 | 1427 | > 490 | 70.6 (20 ℃) | >10 |
KN (Alumel) | 8.6 | 1399 | > 390 | 29.4 (20 ℃) | > 15 |
3.EMF Value range pa kutentha kosiyana
Zakuthupi | Mtengo wa EMF Vs Pt(μV) | |||||
100 ℃ | 200 ℃ | 300 ℃ | 400 ℃ | 500 ℃ | 600 ℃ | |
KP(Chromel) | 2816-2896 | 5938-6018 | 9298-9378 | 12729-12821 | 16156-16266 | 19532-19676 |
KN (Alumel) | 1218-1262 | 2140-2180 | 2849-2893 | 3600 ~ 3644 | 4403-4463 | 5271-5331 |
Mtengo wa EMF Vs Pt(μV) | ||||
700 ℃ | 800 ℃ | 900 ℃ | 1000 ℃ | 1100 ℃ |
22845-22999 | 26064-26246 | 29223-29411 | 32313 ~ 32525 | 35336-35548 |
6167-6247 | 7080-7160 | 7959-8059 | 8807-8907 | 9617-9737 |
TYPE K (CHROMEL vs ALUMEL)amagwiritsidwa ntchito mu oxidizing, inert kapena youma kuchepetsa atmospheres. Kuwonekera kwa vacuum kumangokhala kwakanthawi kochepa. Ayenera kutetezedwa ku sulfure komanso oxidizing atmospheres. Odalirika komanso olondola pa kutentha kwakukulu.
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