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8mm * 1000mm Type K Thermocouple Rod (Chromel/Alumel) for Temperature Sensors
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Détails sur le produit:
Conditions de paiement et expédition:
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Description de produit détaillée
| 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 |
Coordonnées
Ohmalloy Material Co.,Ltd
Personne à contacter: Mr. Qiu
Téléphone: +8613795230939
Envoyez votre demande directement à nous
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