Filum nudum Chromel Alumel variarum magnitudinum ad sensorem temperaturae typi K
Typus K (CHROMEL contra ALUMEL) in atmosphaeris oxidantibus, inertibus vel siccis reducentibus adhibetur. Expositio ad vacuum ad breves periodos limitatur. Ab atmosphaeris sulphureis et leviter oxidantibus protegendum est. Fidele et accuratum ad altas temperaturas.
1.ChemicaCcompositio
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 proprietates mechanicae
Materia | Densitas (g/cm³) | Punctum fusionis (°C) | Robur tensile (Mpa) | Resistivitas voluminis (μΩ.cm) | Elongationis celeritas (%) |
KP (Chromelum) | 8.5 | 1427 | >490 | 70.6 (20°C) | >10 |
KN (Alumel) | 8.6 | 1399 | >390 | 29.4 (20°C) | >15 |
3.Ambitus valorum EMF ad diversas temperaturas
Materia | Valor EMF contra Pt(μV) | |||||
100ºC | 200ºC | 300°C | 400°C | 500ºC | 600°C | |
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) | ||||
700ºC | 800°C | 900ºC | 1000ºC | 1100ºC |
22845~22999 | 26064~26246 | 29223~29411 | 32313~32525 | 35336~35548 |
6167~6247 | 7080~7160 | 7959~8059 | 8807~8907 | 9617~9737 |
4.Typus, designatio et genus thermoparium
Typus | Designatio | Thermocouple | Thermocouple Identificatio Gradus |
SC et RC | Cuprum-cuprum nickelum 0.6 compensatum plumbum compensans | Platonicum-rhodium 10-platina Thermocouple | S et R |
Platonicum-rhodium 13-platina thermocouple | |||
KCA | Ferrum-cuprum nickel 22 Compensatum Compensatum Plumbum | Nickel-chromum nickel thermocouple | K |
KCB | Ferrum-cuprum nickel 40 compensatum compensans duco | ||
KX | Nickel-chromium 10-nickel 3 prolongatum plumbum compensans / funis compensans | ||
NC | Ferrum-cuprum nickel 18 plumbum compensatum compensans | Thermopar niccoli-chromi silicii-niccoli | N |
NX | Nickel-chromium 14 silicium-nickel 4 prolongatum plumbum compensans / funiculum compensans | ||
EX | Nickel-chromium 10-nickel 45 prolongatum plumbum compensans / funiculum compensans | Nickel-chromium-cupronicle thermocouple | E |
JX | Ferrum-cuprum nickel 45 compensatio prolongata funis plumbeus / compensans | Thermocouple ferri-constantanum | J |
TX | Ferrum-nickel-chromium 45 compensatio prolongata funis plumbeus / compensans | Cuprum-constantanum thermocouple | T |