Thermocouple Type K Alumel / Chromel Rod / Stick / Bar 6mm 8mm 9mm 10mm 12mm
Thermocouple Type K Alumel /Chromel Rod/ Stick / Bar 6mm 8mm 9mm 10mm 12mm
TYPE K (CHROMEL vs ALUMEL) dia ampiasaina amin'ny atmosfera fampihenana oxidizing, inert na maina. Tsy maintsy arovana amin'ny atmosfera misy solifara sy oxidizing kely. Izy io dia azo itokisana ary manana mari-pahaizana ambony amin'ny mari-pana ambony.
1.simikafifehezan
| KEVITRA | Famoronana simika (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chromel) | 90 | 10 | |||
| KN(Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Toetra ara-batana sy ara-mekanika
| KEVITRA |
Haavony (g/cm3) | Taona mitsonika ℃) | Henjana (Mpa) | Ny fanoherana ny volume (μΩ.cm) | tahan'ny elongation (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20 ℃) | >15 |
3.Ny sandan'ny EMF amin'ny maripana samihafa
| KEVITRA | Sanda EMF Vs Pt(μV) | |||||
| 100 ℃ | 200 ℃ | 300 ℃ | 400 ℃ | 500 ℃ | 600 ℃ | |
| 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 |
| Sanda 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 isan-karazany sy ny Index | ||
| Isan-karazany | Type | Fandrefesana (°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 Type K Rod Application
Ny toetra mampiavaka ny Type K dia ny fananana anti-oxidation mahery vaika, ary tokony ampiasaina tsy tapaka amin'ny atmosfera oxidizing sy inert. Ny mari-pana fampiasana maharitra dia 1000 ℃ ary 1200 ℃ ny fotoana fohy. Izy io no be mpampiasa indrindra amin'ny thermocouples rehetra; (tsy azo ampiasaina mampihena ny atmosfera entona).
Thermocouple miasa sy fandrefesana ny mari-pana:
| Fitaovana Thermocouple | Ny mari-pana miasa Range sy ny fandeferana | |||||
| Kilasy I | Kilasy II | |||||
| Fanondroana | Anode | Cathode | Fandrefesana ny maripana | Fandeferana | Fandrefesana ny maripana | Fandeferana |
| K | NiCr10 | NiAl2 | -40 ℃ -1000 ℃ | ± 1,5 ℃ na ± 0,4% * T | 40 ℃ -1200 ℃ | ± 2,5 ℃ na 0,75% * T |
| T | Cu | CuNi40 | -40 ℃ -350 ℃ | 40 ℃ -350 ℃ | ± 1 ℃ na 0,75% * T | |
| J | Fe | CuNi40 | -40 ℃ -750 ℃ | 40 ℃ -750 ℃ | ± 2,5 ℃ na 0,75% * T | |
| E | NiCr10 | CuNi45 | -40 ℃ -800 ℃ | 40 ℃ -900 ℃ | ||
| N | NiCr14Si | NiSi4Mg | -40 ℃ -1000 ℃ | 40 ℃ -1200 ℃ | ± 2,5 ℃ na 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 ℃ na 0,25% * T |
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