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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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.

 

Stainless Steel Probe Industrial Gas Oven Sensor Thermocouple
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

Thermocouple Type

Type K

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

 

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FAQ

 

Q: How long is your delivery time?

A: Generally it is 5-7 workdays if the goods are in stock. or it is 10-15 workdays if the goods are not in stock, it is according to quantity.

Q: Can you do OEM and ODM?

A: Yes, OEM and ODM are both acceptable. The material, color, style can customize, the basic quantity we will advise after we discuss.

Q: Can we use our own logo?

A: Yes, we can print your private logo according to your request.

Q: Do you offer guarantee?

A: Yes, we offer 1 year warranty to our products.

Q: Do you offer samples? Is it free?

A: We will send a free, freight-collected sample for low value. We must collect the sample charge for high-value samples.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=10000USD, 50% T/T in advance ,balance before shipment.

Q: What forms of payment do you accept?

A: Western Union, PayPal, T/T. Any convenient and fast payment term is accepted.

Q: Which certificate do you have?

A: CE, FDA, ISO13485.

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.

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