Nooca Heerkulka K Alumel /Usha Chromel/ Ul / Baar 6mm 8mm 9mm 10mm 12mm
Nooca K (CHROMEL vs ALUMEL) waxaa loo isticmaalaa jawiga oksaydhaynta, aan firfircoonayn ama qalalan. Waa in laga ilaaliyaa jawiga sulfurous iyo oksaydhaynta yar. Waa la isku halayn karaa waana mid sax ah heerkulka sare.
1.KiimikoHalabuurka
| Alaab | Halabuurka kiimikada (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP (Chrome) | 90 | 10 | |||
| KN (Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Guryaha Jirka iyo Sifooyinka Farsamada
| Alaab |
Cufnaanta (g/cm)3) | Barta dhalaalaysa ℃) | Xoogga Laabista (Mpa) | Iska caabinta mugga (μΩ.cm) | Heerka kordhinta (%) |
| KP (Chrome) | 8.5 | 1427 | >490 | 70.6 (20℃) | >10 |
| KN (Alumel) | 8.6 | 1399 | >390 | 29.4 (20℃) | >15 |
3.Kala duwanaanshaha Qiimaha EMF Heerkulka Kala Duwan
| Alaab | Qiimaha EMF Vs Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| KP (Chrome) | 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 |
| Qiimaha 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 |
| Kala duwanaanshaha iyo Tusmada Thermocouple | ||
| Kala duwanaansho | Nooca | Cabbirka Kala Duwan (°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 Nooca Heerkulka K Codsiga Usha
Astaamaha Nooca K waa inuu leeyahay waxqabad xooggan oo ka-hortagga oksaydhaynta, waana in si joogto ah loogu isticmaalaa jawi oksaydheyn iyo mid aan firfircoonayn. Heerkulka isticmaalka muddada-dheer waa 1000℃ iyo muddada-gaaban 1200 ℃. Waa kan ugu badan ee loo isticmaalo dhammaan kuleyliyeyaasha; (lama isticmaali karo yareynta jawiga gaaska).
Heerkulka Shaqada iyo Cabbiraadda Heerkulka:
| Qalabka Heerkulka | Heerkulka Shaqada iyo Dulqaadka | |||||
| Fasalka I | Fasalka II | |||||
| Tusmada | Aanood | Katoodka | Cabbirka heerkulka | Dulqaad | Cabbirka heerkulka | Dulqaad |
| K | NiCr10 | NiAl2 | -40℃-1000℃ | ±1.5℃ ama ±0.4%*T | 40℃-1200℃ | ±2.5℃ ama 0.75%*T |
| T | Cu | CuNi40 | -40℃-350℃ | 40℃-350℃ | ±1℃ ama 0.75%*T | |
| J | Fe | CuNi40 | -40℃-750℃ | 40℃-750℃ | ±2.5℃ ama 0.75%*T | |
| E | NiCr10 | CuNi45 | -40℃-800℃ | 40℃-900℃ | ||
| N | NiCr14Si | NiSi4Mg | -40℃-1000℃ | 40℃-1200℃ | ±2.5℃ ama 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℃ ama 0.25%*T |
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