NiCr-NiSi Type K Thermocouple Wire And Cable Ideal For Industrial Laboratory And Scientific Uses
NiCr-NiSi Type K Thermocouple Wire And Cable Ideal For Industrial Laboratory And Scientific Uses
NiCr-NiSi (Type K) Thermocouple Wire and Cable is one of the most widely used temperature measurement solutions in industrial and scientific applications. Composed of Nickel-Chromium (NiCr) and Nickel-Silicon (NiSi), it offers excellent durability, accuracy, and high-temperature performance across a broad temperature range.
Various options are available including K type thermocouple extension, thermocouple type K extension cable, duplex type K thermocouple, and shielded type K thermocouple wire, designed to meet diverse installation and environmental needs. Type K thermocouple wire connection and soldering K type thermocouple wire are essential for proper setup in systems such as MAX6675 wiring and MAX6675 Arduino wiring.
For specialized requirements, you can choose thermocouple type K glass braid insulated wire, K type thermocouple colours for easy identification, and options for K type thermocouple wire which is positive and negative. Applications often involve using K type thermocouples in extreme conditions where performance and reliability are critical.
To meet different budgets and project needs, suppliers offer competitive K type thermocouple cable price and K type thermocouple wire price based on wire type, material, and configuration.
Color codes of thermocouple wire (K type)
Positive wire is yellow, negative wire is red.
| Name | KP | KN |
| Melting Range (℃) | 1427 | 1399 |
| Density (g/cm³) | 8.5 | 8.6 |
| Resistivity (μΩm20℃) | 70.6 | 29.4 |
|
Resistance-temperature coefficient |
29 | 16.3 |
| Tensile strength Rm N/mm² MPa | ≥490 | ≥390 |
| Elongation % | ≥10 | ≥15 |
Thermocouple temperature range and tolerance
Name |
Usag Classification |
Grade |
Max. operating temperature(℃) | emperitre nres) |
Tnlerene |
Standard |
|
Lang term |
Short term |
||||||
NiCr-NiSi (Type K) thermocouple bright wire |
K | l | 1200 | 1300 | -40~1100 | +1.5℃ or +0.4%t |
GB/T2614 |
| Ⅱ | -40~1300 | +2.5℃ or +0.75%t | |||||
Key Features of Type K Thermocouple Wire:
- Wide Temperature Range:
Operates effectively between -200°C to +1250°C (-328°F to +2282°F), making it suitable for high-temperature applications.
- High Durability:
Resistant to oxidation, corrosion, and mechanical wear in demanding environments, including high-humidity and oxidizing atmospheres.
- Good Stability and Sensitivity:
Provides reliable and accurate temperature measurements over a wide range.
Has a Seebeck coefficient (thermoelectric voltage) that ensures sensitivity across the operating temperature range.
- Robust Material Composition:
Positive Leg (KP): Nickel-Chromium (approximately 90% Ni, 10% Cr).
Negative Leg (KN): Nickel-Silicon (approximately 95% Ni, 2% Si, and trace elements).
- Compatibility:
Widely used with thermocouple connectors, extension cables, and measurement instruments.
Standardized by international thermocouple standards like IEC 60584 and ANSI MC96.1.
- High Oxidation Resistance:
Suitable for oxidizing atmospheres, but not recommended for reducing or sulfurous environments at high temperatures.
- Cost-Effective:
Type K thermocouples are less expensive compared to noble metal thermocouples (e.g., Type R or S), while still offering reliable performance.
Applications:
- Industrial Processes: Furnaces, kilns, and heat treatment.
- Aerospace: Jet engine monitoring and exhaust gas temperature measurement.
- Automotive: Emission testing and temperature monitoring in engines.
- Energy: Power plants, including gas turbines and boilers.
- General Manufacturing: Plastics, glass, and metal processing.
Advantages of Type K Thermocouple Wire:
- Wide temperature range.
- High durability and resistance to oxidation.
- Cost-effective and widely available.
- Reliable and accurate performance for most industrial applications.
Limitations:
- Not suitable for use in reducing, vacuum, or sulfurous environments at high temperatures, as this can degrade the materials.
- Susceptible to drift at extremely high temperatures over time.
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