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Product Details:
Payment & Shipping Terms:
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| Name: | K Type Thermocouple Bare Wire | Size: | 8AWG(3.2mm)/16AWG(1.29mm)/20AWG(0.8mm) |
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| Shape: | Round Wire | Surface: | Bright |
| Accuracy: | Class 1 | Package: | Coil+plywood Case |
| High Light: | K Type Bare Thermocouple Wire,20AWG Bare Thermocouple Wire,Bright Bare Thermocouple Wire |
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Type K Thermocouple
TYPE K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chromel) | 90 | 10 | |||
| KN(Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2. Physical properties and Mechnical properties
|
Material |
Density (g/cm3) |
Melting point℃) |
Tensile Strength (Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
Diameter tolerance(mm) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 | +/- 0.02 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 | +/- 0.02 |
3. EMF Value range at different temperature
| Material | EMF value 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 |
| EMF value 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 |
Contact Person: Mr. Qiu
Tel: +8613795230939
