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8mm * 1000mm Type K Thermocouple Rod (Chromel/Alumel) for Temperature Sensors
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Detalhes do produto:
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Descrição de produto detalhada
| Name: | 0.5″ 12.7mm KP Chromel KN Alumel Thermocouple Type K Rod Stick 1000℃ Temperature Measurement | Type: | Type K Rod （Chromel Alumel） |
|---|---|---|---|
| Size: | 0.5″ 12.7mm | Length: | Coil package/1 meter/1.2 meter/1.5 meter(or customized)) |
| State: | Soft, annealed/ Hard/ 1/2 Hard / 1/4 Hard | Surface: | Oxidize/ Pickled/ Bright |
| Accuracy: | Class 1(Class A) | Package: | plywood case |
8mm * 1000mm Type K Thermocouple Rod (Chromel/Alumel) for Temperature Sensors
TYPE K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. It must be protected from sulfurous and marginally oxidizing atmospheres. It is reliable and has high 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 (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 |
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 |
| 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 |
0.5″ 12.7mm KP Chromel KN Alumel Thermocouple Type K Rod Application
The characteristic of Type K is that it has strong anti-oxidation performance, and should be used continuously in an oxidizing and inert atmosphere. The long-term use temperature is 1000℃ and the short-term 1200 ℃. It is the most widely used among all thermocouples; (it cannot be used reducing gas atmosphere).
Thermocouple Working and Measuring Temperature Range:
| Thermocouple Material | Working temperature Range and Tolerence | |||||
| Class I | Class II | |||||
| Index | Anode | Cathode | Measuring termperature | Tolerence | Measuring termperature | Tolerence |
| K | NiCr10 | NiAl2 | -40℃-1000℃ | ±1.5℃ or ±0.4%*T | 40℃-1200℃ | ±2.5℃ or 0.75%*T |
| T | Cu | CuNi40 | -40℃-350℃ | 40℃-350℃ | ±1℃ or 0.75%*T | |
| J | Fe | CuNi40 | -40℃-750℃ | 40℃-750℃ | ±2.5℃ or 0.75%*T | |
| E | NiCr10 | CuNi45 | -40℃-800℃ | 40℃-900℃ | ||
| N | NiCr14Si | NiSi4Mg | -40℃-1000℃ | 40℃-1200℃ | ±2.5℃ or 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℃ or 0.25%*T |
Contacto
Ohmalloy Material Co.,Ltd
Pessoa de Contato: Mr. Qiu
Telefone: +8613795230939
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