Your Professional K-type Thermocouple Manufacturer!
Shenzhen Supote Technology Co., Ltd. is a manufacturer specializing in electric heating elements and thermocouple temperature sensors. The company primarily manufactures thermocouples and resistance temperature detectors (RTDs) – covering explosion-proof, wear-resistant, high-temperature, special-purpose, and armored types; integrated temperature transmitters; thermocouple quick connectors; temperature compensation cables; heating elements; temperature controllers; temperature data loggers, and customized industrial heating solutions.With over 2,000㎡ production space, more than 50 technical staff and 100+ precision processing equipment, Supote provides stable manufacturing and quality control for industrial customers worldwide. The company has obtained ISO9001, CE, ROHS and other certifications, supporting reliable OEM and wholesale cooperation.
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Stainless Steel Probe Industrial Gas Oven Sensor Thermoco...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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High Temperature Sensor R S B Platinum Rhodium Type Ceram...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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Custom Stainless Steel Probe Industrial Temperature Senso...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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High Precision Multi Channel Multi Point K Type Thermocou...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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Custom 8 Channel Multi Channel Type K PT100 Temperature S...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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Quick Response Plug Type K N J E T Thermocouple Surface T...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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M6 M8 Waterproof Oil Resistant Silicone Screw K Type Ther...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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Polyimide Wire Armored Probe Thermocouple, 1.5*80/100/120...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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Armored 220V M6 Stainless Steel Threaded Thermocouple for...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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Screw-type Temperature Sensor M6M8 Metric Screw K/E Type ...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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K Type Thermocouple Probe Temperature Sensor PT100 E J Th...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
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Bendable Flexible Stainless Steel Long Probe K E J Type T...The PT100/PT1000 RTD Temperature Sensor Probe is a very accurate resistance temperature detector that was made just for keeping an eye on the temperature in ovens, baking equipment, industrial...view more
Why Choose Us
Rich Experience
Focusing on electric heating elements and thermocouple temperature sensors, with over ten years of rich manufacturing experience in industrial heating and temperature control applications.
Stable Production & Quality Control
Equipped with over 2,000㎡ production space, 100+ precision processing equipment and multiple testing procedures including insulation, voltage and aging tests to help ensure stable product quality and batch consistency.
OEM & Customized Manufacturing Support
Provides customized heating solutions based on voltage, power, dimensions, installation methods and application requirements to improve equipment compatibility and meet different industrial needs.
Our Certifications
The fact that Shenzhen Supote Technology has been awarded a number of certifications, such as ISO9001, CE, ROHS, recognition as a National Technical Enterprise, and Patent Certificates.
Advantages of K-type Thermocouple
Wide Temperature Range: One of the key benefits of the K-type thermocouple is its ability to measure temperatures across a vast range—from as low as -270°C to as high as 1372°C. This makes it suitable for both cryogenic and high-temperature measurements, which are essential in many industrial and scientific settings.
Durability and Reliability: K-type thermocouples are known for their robustness and durability. They can withstand harsh environments and are resistant to mechanical stress, corrosion, and vibration. This makes them a reliable choice for applications in industries such as metalworking, aerospace, and automotive.
Fast Response Time: The K-type thermocouple provides quick temperature measurements, making it ideal for applications where rapid temperature changes need to be monitored, such as in furnaces or combustion chambers.
Cost-Effective: K-type thermocouples are relatively inexpensive compared to other types of temperature sensors, such as platinum RTDs (Resistance Temperature Detectors). This makes them a cost-effective choice for both commercial and industrial applications.
Compatibility: K-type thermocouples are compatible with a wide variety of measuring instruments, such as data loggers, thermometers, and control systems. The standardization of the K-type thermocouple’s voltage-temperature relationship makes it universally accepted and easy to integrate into existing systems.

Applications of K-type Thermocouple
Heat Treating & Forging Furnaces
In metal processing industries, K-Type thermocouples are used to monitor and control temperatures in annealing, carburizing, hardening, and tempering processes. Their stability at elevated temperatures and resistance to oxidation make them suitable for continuous operation in high-heat environments, ensuring material consistency and structural integrity.
Combustion Chambers (Turbines, Engines, Boilers)
Accurate temperature monitoring within combustion zones is vital for optimizing fuel efficiency, reducing emissions, and preventing thermal overload. K-Type thermocouples are often embedded in burner assemblies or turbine exhaust systems due to their ability to withstand rapid thermal cycling and vibration.
Food Processing & Autoclaves
In regulated industries such as food and pharmaceutical manufacturing, K-Type thermocouples ensure that sterilization cycles meet required thermal exposure standards (e.g., HACCP or FDA guidelines). Their fast response and compatibility with steam and pressure environments make them well-suited for monitoring batch or continuous thermal processing.
Semiconductor ManufacturingSemiconductor
Thermal precision is critical in wafer processing, diffusion furnaces, and chemical vapor deposition (CVD) systems. K-Type thermocouples are used to tightly control heating elements and process chambers, contributing to yield optimization and repeatability in sub-micron scale operations.
Kilns, Incinerators, and Ceramic Processing
In industries dealing with refractory materials, glass, or waste incineration, long-term thermal stability is essential. K-Type thermocouples are often inserted through ceramic tubes or refractory insulation to continuously monitor temperature profiles, prevent overfire conditions, and support compliance with emissions control protocols.
Technical Specifications
|
Item |
Specification |
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Thermocouple Type |
Type K |
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Standard |
IEC 60584 |
|
Thermoelement Material |
NiCr-NiSi |
|
Measuring Range |
-200°C to 1260°C |
|
Probe Material |
SS304 / SS316 |
|
Probe Structure |
MI / Threaded / Waterproof / Bare Wire |
|
Connection Type |
Bare Leads / Plug / Terminal Head |
|
Cable Materials |
PVC / Silicone / PTFE / Fiberglass |
|
Accuracy Class |
Standard / Special Limits |
|
Protection Tube |
Stainless Steel / Ceramic |
|
OEM Customization |
Available |
Types of K-type Thermocouple
Bare Wire Thermocouples
Simple and cost-effective, suitable for applications where the thermocouple is protected from the environment.
Probes with Connectors
Encapsulated probes with standard connectors for easy attachment to measurement devices.
Surface Thermocouples
Designed to measure surface temperatures, often with a flat or flexible probe.
Handheld Thermocouples
These probes are use with handheld digital indicators where portable temperature measurement is required.
Immersion Thermocouples
Suitable for measuring temperatures in liquids, typically encased in protective sheaths.
High-Temperature Thermocouples
Specifically designed for extreme temperatures, often using ceramic insulations and rugged materials.
Miniature Thermocouples
Compact, with fine wire, suitable for small or confined spaces where larger sensors would be impractical.
Mineral insulated Thermocouples
A robust and semi flexible material allows type K thermocouple to be used at high temperatures and long lengths that can be bend into shape.
Screw in Thermocouples
A range of thermocouples with various thread options to screw into machinery, metal work and casings.
K Type Thermocouple Selection Considerations
Junction Types and Applications
Grounded Junction: Fast response, ideal for dynamic processes, susceptible to electrical noise
Ungrounded Junction: Electrical isolation, noise immunity, preferred for PLC systems
Exposed Junction: Fastest response, fragile, suitable for clean gas streams
Sheath Materials
Stainless Steel: General purpose, moderate corrosion resistance
Inconel: High-temperature oxidation resistance, combustion applications
Ceramic: Extreme temperature capability, chemically aggressive environments
Common Performance Issues
Drift at High Temperatures: Chromium migration can cause reading drift above 1000°C
Green Rot: Preferential oxidation in certain atmospheric conditions
Decalibration: Gradual accuracy loss from contamination or thermal cycling
Packaging & shipping

FAQ
As one of the most professional k-type thermocouple manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale custom made k-type thermocouple from our factory. Contact us for more details.
