Ụdị Thermocouple K Alumel / Chromel Mkpanaka / Ogwe 6mm 8mm 9mm 10mm 12mm
Ụdị Thermocouple K Alumel /Mkpanaka Chromel/ Mkpisi / Ogwe 6mm 8mm 9mm 10mm 12mm
A na-eji TYPE K (CHROMEL vs ALUMEL) eme ihe n'ibelata ikuku, ikuku na-adịghị arụ ọrụ ma ọ bụ nke akọrọ. A ghaghị ichebe ya pụọ na ikuku sulfurous na nke na-eme ka oxidation dị ntakịrị. Ọ bụ ihe a pụrụ ịtụkwasị obi ma nwee ezigbo ziri ezi na okpomọkụ dị elu.
1.KemikalIhe mejupụtara ya
| ihe | Ihe mejupụtara kemịkalụ (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP (Chrome) | 90 | 10 | |||
| KN (Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Njirimara Anụ Ahụ na Njirimara Mechanical
| ihe |
Njupụta (g/cm)3) | Ebe agbaze ℃) | Ike nrụgide (Mpa) | Nguzogide olu (μΩ.cm) | Ọnụego ịgbatị (%) |
| KP (Chrome) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
| KN (Alumel) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 |
3.Oke Uru EMF na Okpomọkụ Dị Iche Iche
| ihe | Uru EMF Vs Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| KP (Chrome) | 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 |
| Uru 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 |
| Ụdị na Ndepụta nke Thermocouple | ||
| Ụdị dị iche iche | Ụdị | Oke nha (°C) |
| NiCr-NiSi | K | –200–1300 |
| NiCr-CuNi | E | –200–900 |
| Fe-CuNi | J | –40–750 |
| Cu-CuNi | T | –200–350 |
| NiCrSi-NiSi | N | –200–1300 |
| NiCr-AuFe0.07 | NiCr-AuFe0.07 | –270–0 |
Ngwa 0.5″ 12.7mm KP Chromel KN Alumel Thermocouple Ụdị K Rod
Ihe e ji mara ụdị K bụ na ọ nwere arụmọrụ siri ike nke igbochi oxidation, a kwesịkwara iji ya mgbe niile n'ime ikuku oxidizing na nke na-adịghị arụ ọrụ. Okpomọkụ ojiji ogologo oge bụ 1000℃ na obere oge 1200 ℃. Ọ bụ ya kacha eji eme ihe n'etiti thermocouples niile; (enweghị ike iji ya belata ikuku gas).
Oke okpomọkụ na-arụ ọrụ na nha nke thermocouple:
| Ihe na-eme ka thermocouple sie ike | Oke okpomọkụ ọrụ na ndidi | |||||
| Klas nke Mbụ | Klas nke Abụọ | |||||
| Ndepụta Ndekọ | Anode | Katọde | Ịtụ oge okpomọkụ | Ndidi | Ịtụ oge okpomọkụ | Ndidi |
| K | NiCr10 | NiAl2 | -40℃-1000℃ | ±1.5℃ ma ọ bụ ±0.4%*T | 40℃-1200℃ | ±2.5℃ ma ọ bụ 0.75%*T |
| T | Cu | CuNi40 | -40℃-350℃ | 40℃-350℃ | ±1℃ ma ọ bụ 0.75%*T | |
| J | Fe | CuNi40 | -40℃-750℃ | 40℃-750℃ | ±2.5℃ ma ọ bụ 0.75%*T | |
| E | NiCr10 | CuNi45 | -40℃-800℃ | 40℃-900℃ | ||
| N | NiCr14Si | NiSi4Mg | -40℃-1000℃ | 40℃-1200℃ | ±2.5℃ ma ọ bụ 0.75%*T | |
| R | Pt-13%Rh | Pt | 0℃-1000℃ | 0℃-600℃ | ±1.5℃ | |
| S | Pt-10%Rh | 1000℃-1600℃ | ±(1+0.003) | 600℃-1600℃ | 0.25%*T | |
| B | Pt-30%Rh | Pt-6%Rh | - | - | 600℃-1700℃ | ±1.5℃ ma ọ bụ 0.25%*T |
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