Thermocouple Typus K Alumel / Chromel Virga / Baculus / Vectis 6mm 8mm 9mm 10mm 12mm
Thermocouple Typus K Alumel /Virga Chromel/ Baculus / Vectis 6mm 8mm 9mm 10mm 12mm
Typus K (CHROMEL contra ALUMEL) in atmosphaeris oxidantibus, inertibus vel siccis reducentibus adhibetur. Ab atmosphaeris sulphureis et paulo oxidantibus protegendus est. Fidus est et magnam praecisionem in altis temperaturis habet.
1.ChemicaCompositio
| Materia | Compositio chemica (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP (Chromelum) | 90 | 10 | |||
| KN (Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Proprietates Physicae et Mechanicae
| Materia |
Densitas (g/cm²)3) | Punctum liquefactionis (℃) | Robur tensile (Mpa) | Resistivitas voluminis (μΩ.cm) | Elongationis celeritas (%) |
| KP (Chromelum) | 8.5 | 1427 | >490 | 70.6 (20℃) | >10 |
| KN (Alumel) | 8.6 | 1399 | >390 | 29.4 (20℃) | >15 |
3.Ambitus Valorum EMF ad Temperaturam Diversam
| Materia | Valor EMF contra Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| KP (Chromelum) | 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 |
| Valor EMF contra 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 |
| Varietas et Index Thermocouple | ||
| Varietas | Typus | Spatium Mensurae (°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 |
Virga Thermocouple Typi K KP Chromel KN Alumel 0.5″ 12.7mm Applicatio
Typi K proprium est quod validam vim anti-oxidationis habet, et continuo in atmosphaera oxidante et inerti adhiberi debet. Temperatura usus diuturni est 1000℃, brevis autem 1200℃. Inter omnes thermocouples latissime adhibetur; (non potest adhiberi in atmosphaera gasis reducentis).
Temperaturae Operationis et Mensurae Thermocouple:
| Materia Thermocouple | Temperaturae Operativae Ambitus et Tolerantia | |||||
| Classis I | Classis II | |||||
| Index | Anodus | Cathodus | Mensura temperaturae | Tolerantia | Mensura temperaturae | Tolerantia |
| K | NiCr10 | NiAl₂ | -40℃-1000℃ | ±1.5℃ vel ±0.4%*T | 40℃-1200℃ | ±2.5℃ vel 0.75%*T |
| T | Cu | CuNi40 | -40℃-350℃ | 40℃-350℃ | ±1℃ vel 0.75%*T | |
| J | Fe | CuNi40 | -40℃-750℃ | 40℃-750℃ | ±2.5℃ vel 0.75%*T | |
| E | NiCr10 | CuNi45 | -40℃-800℃ | 40℃-900℃ | ||
| N | NiCr14Si | NiSi4Mg | -40℃-1000℃ | 40℃-1200℃ | ±2.5℃ vel 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℃ vel 0.25%*T |
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