Product Details
Place of Origin: China
Brand Name: Tankii
Certification: ISO9001
Model Number: K/J/E/T/N
Payment & Shipping Terms
Minimum Order Quantity: 5~10kg as per diameter
Price: USD26~60/kg
Packaging Details: ON spool and carton package. As the order quantity and customer requirement.
Delivery Time: 5-7 days
Payment Terms: T/T, Paypal, Western Union, MoneyGram,
Supply Ability: 2000 Ton per year
Item: |
High Accuracy And Stability Thermocouple Wire J, K , T, N, 0.5mm 1.29mm 3.2mm Used For Temperature Measurements |
Material: |
K , J, T, N, E, |
Surface: |
Bright Or Oxidized As Per Request |
Diameter: |
0.05mm-12mm Can Be Produced |
Class: |
1 |
MOQ: |
5~10kg As Per Diameter |
Item: |
High Accuracy And Stability Thermocouple Wire J, K , T, N, 0.5mm 1.29mm 3.2mm Used For Temperature Measurements |
Material: |
K , J, T, N, E, |
Surface: |
Bright Or Oxidized As Per Request |
Diameter: |
0.05mm-12mm Can Be Produced |
Class: |
1 |
MOQ: |
5~10kg As Per Diameter |
There are several types of thermocouple wires, each identified by a letter designation. The most common types of thermocouple wires are:
Type K: Chromel/Alumel - One of the most popular and widely used thermocouple types. It has a wide temperature range and good accuracy. It is commonly used in various industries.
Type J: Iron/Constantan - Suitable for general-purpose applications in the range of -210°C to 1200°C. It has a lower cost compared to Type K.
Type T: Copper/Constantan - Known for good accuracy and stability at low temperatures. It is often used in cryogenic applications.
Type E: Chromel/Constantan - Suitable for applications with a temperature range of -270°C to 1000°C. It has high accuracy and is commonly used in food industry applications.
Type N: Nicrosil/Nisil - Offers good accuracy and stability, especially at high temperatures. It is commonly used in aerospace and nuclear applications.
Type S: Platinum/Rhodium - Known for high accuracy and stability at high temperatures, up to 1600°C. It is often used in the pharmaceutical and chemical industries.
Type R: Platinum/Rhodium - Similar to Type S but with a slightly different temperature range, up to 1600°C. It is commonly used in high-temperature applications.
Type B: Platinum/Rhodium - Offers excellent accuracy and stability at very high temperatures, up to 1700°C. It is typically used in high-temperature applications in industrial settings.
Each type of thermocouple wire has its own unique characteristics, temperature range, and applications where it is most suitable. The selection of the appropriate type of thermocouple wire depends on factors such as the temperature range of the application, accuracy requirements, environmental conditions, and cost considerations.
What is the most important factor for thermocouple wire ?
The most important factor to consider when selecting thermocouple wire is accuracy. Accuracy is crucial because thermocouples are primarily used for temperature measurement and control in various applications across different industries.
Here are some reasons why accuracy is the most critical factor for thermocouple wire selection:
Precision in Temperature Measurement: Thermocouples are relied upon to provide accurate temperature readings. The accuracy of the thermocouple wire directly impacts the precision of temperature measurements in the system.
Process Control: In industrial settings, accurate temperature measurements are essential for process control and ensuring product quality. Any inaccuracies in temperature readings can lead to inefficient processes or defective products.
Safety: In applications where temperature plays a critical role in safety, such as in chemical processing or HVAC systems, accurate temperature measurements are vital to prevent accidents or equipment failures.
Reliability: Accurate thermocouple wires provide reliable temperature data, leading to consistent performance and operation of systems that rely on temperature control.
Calibration: Accurate thermocouples are easier to calibrate and maintain, ensuring that they continue to provide precise temperature readings over time.
While other factors such as temperature range, chemical compatibility, durability, and cost are also important considerations when choosing thermocouple wire, accuracy takes precedence as it directly impacts the quality and reliability of temperature measurements in various applications.
Conductor Name |
Thermocouple Type |
Grade |
Temperature range ℃ |
Allowable Tolerance /℃ |
PtRh30-PtRh6 | B | Ⅱ | 600~1700 | ±0.25% t |
Ⅲ | 600~800 | ±4 | ||
800~1700 | ±0.5%t | |||
PtRh13-Pt | R | Ⅰ | 0~1100 | ±1 |
1100~1600 | ±[1+(t-1100) ×0.3%] | |||
Ⅱ | 0~600 | ±1.5 | ||
600~1600 | ±0.25% t | |||
PtRh10-Pt | S |
Ⅰ |
0~1100 | ±1 |
1100~1600 | ±[1+(t-1100) ×0.3%] | |||
Ⅱ |
0~600 | ±1.5 | ||
600~1600 | ±0.25% t | |||
NiCr-Ni | K | Ⅰ | -40~1100 | ±1.5℃ or ±0.4%t |
Ⅱ | -40~1300 | ±2.5℃ or ±0.75%t | ||
Ⅲ | -200~40 | ±2.5℃ or ±1.5%t | ||
NiCrSi-NiSi | N | Ⅰ | -40~1100 | ±1.5℃ or ±0.4%t |
Ⅱ | -40~1300 | ±2.5℃ or ±0.75%t | ||
Ⅲ | -200~40 | ±2.5℃ or ±1.5%t | ||
NiCr-CuNi (Constantan) | E | Ⅰ | -40~1100 | ±1.5℃ or ±0.4%t |
Ⅱ | -40~1300 | ±2.5℃ or ±0.75%t | ||
Ⅲ | -200~40 | ±2.5℃ or ±1.5%t | ||
Fe-CuNi (Constantan) | J | Ⅰ | -40~750 | ±1.5℃ or ±0.4%t |
Ⅱ | -40~750 | ±2.5℃ or ±0.75%t | ||
Cu-CuNi (Constantan) | T | Ⅰ | -40~350 | ±0.5℃ or ±0.4%t |
Ⅱ | -40~350 | ±1.0℃ or ±0.75%t | ||
Ⅲ | -200~40 | ±1.0℃ or ±1.5%t |