Nau'in Maƙallin Thermocouple K Alumel / Sandar Chromel / Sanda / Sanda 6mm 8mm 9mm 10mm 12mm
Nau'in Maƙallin Thermocouple K Alumel /Sandar Chromel/ Sanda / Sanda 6mm 8mm 9mm 10mm 12mm
Ana amfani da TYPE K (CHROMEL vs ALUMEL) wajen rage iskar oxygen, rashin aiki ko bushewa. Dole ne a kare shi daga iskar sulfur da kuma iskar oxygen mai ɗan ƙarfi. Abin dogaro ne kuma yana da daidaito sosai a yanayin zafi mai yawa.
1.Sinadaran sinadaraiTsarin aiki
| Kayan Aiki | Sinadarin sinadarai (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chromel) | 90 | 10 | |||
| KN (Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Kayayyakin Jiki da Kayayyakin Inji
| Kayan Aiki |
Yawan yawa (g/cm)3) | Yanayin narkewa℃) | Ƙarfin Tashin Hankali (Mpa) | Juriyar girma (μΩ.cm) | Yawan tsawaitawa (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
| KN (Alumel) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 |
3.Matsakaicin Darajar EMF a Zafin Jiki daban-daban
| Kayan Aiki | Ƙimar 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 |
| Ƙimar 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 |
| Bambancin Thermocouple da Index | ||
| Iri-iri | Nau'i | Nisan Aunawa (°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 |
0.5″ 12.7mm KP Chromel KN Alumel Thermocouple Type K Aikace-aikacen Rod
Siffar Nau'in K ita ce tana da ƙarfin hana iskar shaka, kuma ya kamata a ci gaba da amfani da ita a cikin yanayi mai hana iskar shaka da kuma rashin iskar shaka. Zafin amfani na dogon lokaci shine 1000℃ da kuma na ɗan gajeren lokaci 1200 ℃. Ita ce mafi yawan amfani da ita a tsakanin dukkan na'urorin thermocouples; (ba za a iya amfani da ita wajen rage iskar gas ba).
Tsarin Zafin Aiki da Aunawa na Thermocouple:
| Kayan Haɗin Wuta | Yanayin zafin aiki da haƙuri | |||||
| Aji na I | Aji na II | |||||
| Fihirisa | Anode | Cathode | Aunawa a lokacin zafi | Haƙuri | Aunawa a lokacin zafi | Haƙuri |
| K | NiCr10 | NiAl2 | -40℃-1000℃ | ±1.5℃ ko ±0.4%*T | 40℃-1200℃ | ±2.5℃ ko 0.75%*T |
| T | Cu | CuNi40 | -40℃-350℃ | 40℃-350℃ | ±1℃ ko 0.75%*T | |
| J | Fe | CuNi40 | -40℃-750℃ | 40℃-750℃ | ±2.5℃ ko 0.75%*T | |
| E | NiCr10 | CuNi45 | -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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