Thermocouple Type K Alumel / Chromel Rod / Stick / Bar 6mm 8mm 9mm 10mm 12mm
Thermocouple Type K Alumel /Tsvimbo yeChromel/ Chimuti / Chigadziko 6mm 8mm 9mm 10mm 12mm
TYPE K (CHROMEL vs ALUMEL) inoshandiswa mumhepo dzinoita kuti pave ne oxidizing, inert kana dry reduction. Inofanira kudzivirirwa kubva kumhepo dzine sulfure uye dzine oxidizing zvishoma. Yakavimbika uye ine high right pakudziya kwakanyanya.
1.KemikariKuumbwa
| Zvinhu | Kuumbwa kwemakemikari (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chrome) | 90 | 10 | |||
| KN(Alumeri) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2.Zvimiro zveMuviri uye Zvimiro zveMichina
| Zvinhu |
Kuwanda (g/cm3) | Nzvimbo yekunyunguduka ℃) | Simba reKusimba (Mpa) | Kudzivirira kwevhoriyamu (μΩ.cm) | Mwero wekureba (%) |
| KP(Chrome) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
| KN(Alumeri) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 |
3.EMF Kukosha Range paTembiricha Yakasiyana
| Zvinhu | Kukosha kweEMF Vs Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| KP(Chrome) | 2816~2896 | 5938~6018 | 9298~9378 | 12729~12821 | 16156~16266 | 19532~19676 |
| KN(Alumeri) | 1218~1262 | 2140~2180 | 2849~2893 | 3600~3644 | 4403~4463 | 5271~5331 |
| Kukosha kweEMF 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 |
| Mhando dzakasiyana dzeThermocouple uye Index | ||
| Mhando dzakasiyana-siyana | Rudzi | Chiyero cheKuyera(°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
Hunhu hweType K ndehwekuti ine simba rakasimba rekudzivirira oxidation, uye inofanira kushandiswa nguva dzose munzvimbo ine oxidizing uye ine intert. Tembiricha yekushandiswa kwenguva refu ndeye 1000℃ uye 1200 ℃ yenguva pfupi. Ndiyo inonyanya kushandiswa pakati pema thermocouples ese; (haigone kushandiswa kuderedza gasi).
Kushanda kweThermocouple uye Kuyera Tembiricha Range:
| Zvinhu zveThermocouple | Kushanda tembiricha Range uye Kushivirira | |||||
| Kirasi I | Kirasi II | |||||
| Index | Anode | Cathode | Kuyera matauriro | Kushivirira | Kuyera matauriro | Kushivirira |
| K | NiCr10 | NiAl2 | -40℃ -1000℃ | ±1.5℃ kana ±0.4%*T | 40℃ -1200℃ | ±2.5℃ kana 0.75%*T |
| T | Cu | CuNi40 | -40℃ -350℃ | 40℃ -350℃ | ±1℃ kana 0.75%*T | |
| J | Fe | CuNi40 | -40℃ -750℃ | 40℃ -750℃ | ±2.5℃ kana 0.75%*T | |
| E | NiCr10 | CuNi45 | -40℃ -800℃ | 40℃ -900℃ | ||
| N | NiCr14Si | NiSi4Mg | -40℃ -1000℃ | 40℃ -1200℃ | ±2.5℃ kana 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℃ kana 0.25%*T |
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