Ohmalloy Material Co.,Ltd
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Conductor material:
| material |
Chemical composition (%) |
||||
| Ni | Al | Cr | Si | Mn | |
| KP(Nickel chrome) | 90 | 10 | |||
| KN(Nickel aluminum) | 95 | 1-2 | 1-2 | 0.5-1.5 | |
Conductor structure
| Conductor diameter: | 0.8mm |
| Insulation material: | high silica800℃ |
| Insulation thickness: | 0.3mm |
| Sheath material: | high silica800℃ |
| Sheath thickness: | 0.4mm |
| Section size: | 2.8mmX3.7mm |
| Each meter weighs: | 2.0kg/100meter |
Thermocouple variety and index
| Long-term max standing temperature | 800℃ |
| Short-term max standing temperature | 1200℃ |
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 |
Type K Extension Cable Chromel / Alumel Material FEP insulation
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.
Thermocouple variety and index
Thermocouple Variety and Index |
||
Variety |
Type |
Measurement Range(°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 |