Nā Nui like ʻole Chromel Alumel Bare Wire no K Type Temperature Sensor
Hoʻohana ʻia ʻo TYPE K (CHROMEL vs ALUMEL) i ka ea hoʻoemi ʻana, inert a maloʻo paha. Ua kaupalena ʻia ka ʻike ʻana i ka vacuum i nā manawa pōkole. Pono e pale ʻia mai ka sulfurous a me ka marginally oxidizing atmospheres. Hiki ke hilinaʻi a pololei i nā wela kiʻekiʻe.
1.KemikaCkūʻē
| Mea waiwai | ʻO ka hui kemika (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chromel) | 90 | 10 | |||
| KN(Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Nā waiwai kino a me nā waiwai Mechanical
| Mea waiwai | Māmā (g/cm3) | Lae heheeºC) | Ikaika U'i (Mpa) | Ke kū'ē leo (μΩ.cm) | Ka lōʻihi o ka lōʻihi (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20ºC) | >10 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20ºC) | >15 |
3.ʻO ke ʻano o ka EMF Value ma kahi wela like ʻole
| Mea waiwai | Waiwai EMF Vs Pt(μV) | |||||
| 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC | |
| 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 |
| Waiwai EMF Vs Pt(μV) | ||||
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC |
| 22845~22999 | 26064~26246 | 29223~29411 | 32313~32525 | 35336~35548 |
| 6167~6247 | 7080~7160 | 7959~8059 | 8807~8907 | 9617~9737 |
4.ʻAno, koho a me ke ʻano o nā thermocouple
| ʻAno | Koho | Thermocouple | Thermocouple ID papa |
| SC a me RC | Copper-copper nickel 0.6 uku uku kepau | Platonic-rhodium 10-platinum Thermocouple | S a me R |
| Platonic-rhodium 13-platinum thermocouple | |||
| KCA | Hao-keleawe nikela 22 Uku Uku Ke alakaʻi | Nickel-chromium nickel thermocouple | K |
| KCB | Hao-keleawe nickel 40 uku uku alakai | ||
| KX | Nickel-chromium 10-nickel 3 lōʻihi compensating Lead / compensating cable | ||
| NC | Hao-keleawe nickel 18 uku uku kepau | ʻO ka thermocouple nickel-chromium silicon-nickel thermocouple | N |
| NX | Nickel-chromium 14 silicon-nickel 4 lōʻihi ke alakaʻi / compensating cable | ||
| EX | Nickel-chromium 10-nickel 45 lōʻihi ke alakaʻi / compensating cable | Nickel-chromium-cupronickel thermocouple | E |
| JX | Hao-keleawe nikela 45 hoʻopaneʻe lōʻihi kaula alakai / uku | Thermocouple hao-mau | J |
| TX | ʻO ka hao-nickel-chromium 45 ka uku lōʻihi kaula alakai / uku | Copper-constantan thermocouple | T |
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