High Performance Thermocouple Temperature Probe for Precise Temperature Monitoring
| Brand Name: | LEADKIN | Insulation: | MgO |
| Warranty: | 1 Year | Temperature Range: | -200℃-1300℃ |
| Accuracy: | Class I、II | Outside Dia: | 0.5-12.7mm |
| Package: | Carton. Pallet | Function: | Temperature Test |
| Theory: | Temperature Sensor | Cable Length: | 1-5m Or Customized |
| Certification: | ISO9001, IATF16949, CE | Core: | Single/double |
| Thermocouple Type: | K/N/E/J/T/S/R/B | ||
| High Light: | High Performance Thermocouple Temperature Probe,Precise Temperature Monitoring Thermocouple Temperature Probe,Precise Temperature Monitoring Temperature Probe |
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Quick Details:
Type: K/N/E/J/T/S/R/B
Place of Origin: Zhejiang, China (Mainland)
Accuracy: I-0.4%t, II-0.75%t, III-1.5%t
Core number: Single / Double
Insulator: 99.6% high purity MgO
Certificate:ISO9001, IATF16949, CE
Application: connecting with thermocouple and instrument machine
Conductor material: NiCr-NiSi, NiCrSi-NiSi, NiCr-Konstantan, Fe-Konstantan, Cu-Konstantan
Sheath material: Inconel600, 0Cr18Ni10Ti, SS304S,SS316L, SS310,SS316,GH3030, GH3039, GH747
Sheath Dia(mm): 0.5mm to 12.7mm :φ0.5,φ1.0, φ1.5(1.6), φ2.0, φ3.0(3.2),φ4.0,φ5.0(4.8),φ6.0(6.4),φ8.0,φ12.7
Type for Sheath Wire Type K:
| Product Name | Code | Type | Shaeth Material | Outside Dia. | Temperature |
| NiCr-NiSi /NiCr-NiAl | KK | K | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 | ||||
| 4.0-8.0 | 800 | ||||
| SS310 Inconel600 | 0.5-1.0 | 500 | |||
| 1.5-3.2 | 800 | ||||
| 4.0-6.4 | 900 | ||||
| 8.0-12.7 | 1000 | ||||
| NiCrSi-NiSi | NK | N | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 | ||||
| 4.0-8.0 | 800 | ||||
| SS310 Inconel600 | 0.5-1.0 | 500 | |||
| 1.5-3.2 | 800 | ||||
| 4.0-6.4 | 900 | ||||
| 8.0-12.7 | 1000 | ||||
| NiCr-Konstantan | EK | E | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 | ||||
| 4.0-8.0 | 800 | ||||
| Fe-Konstantan | JK | J | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 | ||||
| 4.0-8.0 | 800 | ||||
| Cu-Konstantan | TK | T | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 | ||||
| 4.0-8.0 | 800 | ||||
| RhPt10-Ph | SK | S | Inconel600 | 6.0-12.7 | 1100 |
Different temperature measuring media and service conditions have an impact on the service life and temperature range of armored thermocouples, the data in the table is only recommended data.
Accuracy for Sheath Wire Type K
| Type | Class I | Class II | ||
| Accuracy | Temp.Range | Accuracy | Temp.Range | |
| K | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-1000℃ | ±0.75% | 375℃-1000℃ | |
| N | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-1000℃ | ±0.75% | 375℃-1000℃ | |
| E | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-800℃ | ±0.75% | 375℃-800℃ | |
| J | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-800℃ | ±0.75% | 375℃-800℃ | |
| T | ±0.5℃ | -40~125℃ | ±1.0℃ | -40~125℃ |
| ±0.4% | 125℃-350℃ | ±0.75% | 125℃-350℃ | |
| S | 0-1100℃ | ±1.0℃ | 0-1100℃ | ±1.5℃ |
About this product:
Advantages of Thermocouples
- Wide Temperature Range: Thermocouples can measure a broad range of temperatures, from cryogenic to several thousand degrees Celsius depending on the type.
- Fast Response Time: They can quickly respond to temperature changes, making them ideal for dynamic measurements.
- Simplicity and Durability: Thermocouples are generally simple in construction and can withstand harsh environments.
- Cost-Effectiveness: They are relatively inexpensive compared to other temperature sensors.
Applications of Thermocouples
Thermocouples are used in various applications, including:
- Industrial Process Control: Monitoring and controlling temperatures in manufacturing processes.
- HVAC Systems: Temperature sensing in heating, ventilation, and air conditioning systems.
- Aerospace and Automotive: Measuring temperatures in engines and exhaust systems.
- Laboratory Research: Used in scientific experiments for precise temperature measurements.
Conclusion
Together, mineral insulated cables and thermocouples play crucial roles in industrial and scientific applications. MI cables provide durable and safe electrical connections in extreme conditions, while thermocouples offer versatile and reliable temperature measurement capabilities. Their combined use is essential for ensuring safety, efficiency, and precision in various critical environments.
Working Principle
The working principle of thermocouple is based on three effects, discovered by Seebeck, Peltier and Thomson. They are as follows:
- 1) Seebeck effect: The Seebeck effect states that when two different or unlike metals are joined together at two junctions, an electromotive force (emf) is generated at the two junctions. The amount of emf generated is different for different combinations of the metals.
- 2) Peltier effect: As per the Peltier effect, when two dissimilar metals are joined together to form two junctions, emf is generated within the circuit due to the different temperatures of the two junctions of the circuit.
- 3) Thomson effect: As per the Thomson effect, when two unlike metals are joined together forming two junctions, the potential exists within the circuit due to temperature gradient along the entire length of the conductors within the circuit.
In most of the cases the emf suggested by the Thomson effect is very small and it can be neglected by making proper selection of the metals. The Peltier effect plays a prominent role in the working principle of the thermocouple.
Product Pictures

Company Information:
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We add heat shrink tubing and plastic film to make sure high insulated resistance.
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