Thermocouple Ụdị K Alumel /Chromel mkpanaka/ Mkpịrị / Ogwe 6mm 8mm 9mm 10mm 12mm
A na-eji TYPE K (CHROMEL vs ALUMEL) na ikuku oxidizing, inert ma ọ bụ akọrọ na-ebelata ikuku. A ghaghị ichebe ya pụọ na ikuku sọlfọ na nke na-eme ka ọ ghara ịdị ntakịrị. Ọ bụ ihe a pụrụ ịdabere na ya ma nwee oke ziri ezi na oke okpomọkụ.
1.ChemicalIhe mejupụtara
Ihe onwunwe | Ngwakọta kemịkalụ (%) | ||||
Ni | Cr | Si | Mn | Al | |
Chromel (KP) | 90 | 10 | |||
KN (Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 |
2.Njirimara anụ ahụ na arụrụ arụ
Ihe onwunwe |
Njupụta (g/cm3) | Ebe mgbaze ℃) | Ike Tensile (Mpa) | Mgbochi olu (μΩ.cm) | Ọnụọgụ mmụba (%) |
Chromel (KP) | 8.5 | 1427 | > 490 | 70.6 (20 ℃) | >10 |
KN (Alumel) | 8.6 | 1399 | > 390 | 29.4 (20 ℃) | >15 |
3.Ọnụ ahịa EMF na okpomọkụ dị iche iche
Ihe onwunwe | Uru EMF Vs Pt(μV) | |||||
100 ℃ | 200 ℃ | 300 ℃ | 400 ℃ | 500 ℃ | 600 ℃ | |
Chromel (KP) | 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 |
Thermocouple dị iche iche na Index | ||
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 |
0.5″ 12.7mm KP Chromel KN Alumel Thermocouple Ụdị K Rod Ngwa
Ihe e ji mara Ụdị K bụ na ọ na-arụ ọrụ mgbochi oxidation siri ike, ma ekwesịrị iji ya na-aga n'ihu na ikuku oxidizing na inert. Ogologo oge ojiji okpomọkụ bụ 1000 ℃ na obere oge 1200 ℃. Ọ bụ nke a na-ejikarị eme ihe n'etiti thermocouples niile; (enweghị ike iji ya belata ikuku ikuku).
Thermocouple na-arụ ọrụ ma na-atụ oke okpomọkụ:
Thermocouple ihe onwunwe | Oke okpomọkụ na-arụ ọrụ na ndidi | |||||
Klas I | Klas II | |||||
Index | Anode | Cathode | Atụ termperature | Ndidi | Atụ termperature | 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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