Thermocouple Nau'in K Alumel / Chromel Rod / sanda / Bar 6mm 8mm 9mm 10mm 12mm
Nau'in Thermocouple K Alumel /Chromel Rod/ Sanda / Bar 6mm 8mm 9mm 10mm 12mm
TYPE K (CHROMEL vs ALUMEL) ana amfani da shi a cikin oxidizing, inert ko busassun ragi. Dole ne a kiyaye shi daga sulfurous da yanayi mai banƙyama. Abin dogara ne kuma yana da inganci mai girma a yanayin zafi mai girma.
1.ChemicalAbun ciki
| Kayan abu | Abubuwan sinadaran (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP (Chrome) | 90 | 10 | |||
| KN (Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Kayayyakin Jiki da Kayayyakin Injini
| Kayan abu |
Yawan yawa (g/cm3) | Ma'anar narkewa ℃) | Ƙarfin Tensile (Mpa) | Resistance ƙarar (μΩ.cm) | Adadin haɓakawa (%) |
| KP (Chrome) | 8.5 | 1427 | >490 | 70.6 (20 ℃) | >10 |
| KN (Alumel) | 8.6 | 1399 | >390 | 29.4 (20℃) | >15 |
3.Rage darajar EMF a Zazzabi daban-daban
| Kayan abu | Darajar 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 |
| Darajar 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 |
| Thermocouple iri-iri da Index | ||
| Iri-iri | Nau'in | Ma'auni (°C) |
| NiCr-NiSi | K | -200-1300 |
| NiCr-CuNi | E | -200-900 |
| Fe-CuNi | J | -40-750 |
| Ku-CuNi | T | -200-350 |
| NiCrSi-NiSi | N | -200-1300 |
| NiCr-AuFe0.07 | NiCr-AuFe0.07 | -270-0 |
0.5 ″ 12.7mm KP Chromel KN Alumel Thermocouple Nau'in K Rod Application
Siffar Nau'in K shine yana da ƙarfin aikin anti-oxidation, kuma yakamata a yi amfani dashi akai-akai a cikin yanayi mai oxidizing da inert. Zazzabi na tsawon lokacin amfani shine 1000 ℃ da ɗan gajeren lokaci 1200 ℃. Ita ce mafi yawan amfani da ita a tsakanin dukkanin thermocouples; (ba za a iya amfani da shi rage iskar gas ba).
Thermocouple Aiki da Auna Yanayin Zazzabi:
| Thermocouple Material | Rage zafin aiki da haƙuri | |||||
| Darasi na I | Darasi na II | |||||
| Fihirisa | Anode | Cathode | Auna ma'auni | Hakuri | Auna ma'auni | Hakuri |
| K | NiCr10 | NiAl2 | -40 ℃ - 1000 ℃ | ± 1.5 ℃ ko ± 0.4%*T | 40 ℃ - 1200 ℃ | ± 2.5℃ ko 0.75%*T |
| T | Cu | KuNi40 | -40 ℃ - 350 ℃ | 40 ℃ - 350 ℃ | ± 1℃ ko 0.75%*T | |
| J | Fe | KuNi40 | -40 ℃ - 750 ℃ | 40 ℃-750 ℃ | ± 2.5℃ ko 0.75%*T | |
| E | NiCr10 | KuNi45 | -40 ℃ - 800 ℃ | 40 ℃-900 ℃ | ||
| N | NiCr14Si | NiSi4Mg | -40 ℃ - 1000 ℃ | 40 ℃ - 1200 ℃ | ± 2.5℃ ko 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℃ ko 0.25%*T |
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