Custom Thermocouple Manufacturer | Thermocouples & RTDs
K-Tec Systems is a custom thermocouple manufacturer located in Ferndale, Michigan. We design and manufacture custom thermocouples and RTDs to exact customer specifications — serving engineers and procurement teams in the automotive, aerospace, defense, medical, and drone industries from our Michigan facility. We ship throughout the United States and internationally.
Every thermocouple and RTD we produce is built to perform in demanding environments, using premium-grade thermocouple wire and Magnesium Oxide (MgO) insulation. From initial specification to final delivery, our engineering team works directly with you to ensure the solution is right for your application.
Quality & Certifications
Quality is built into every stage of manufacturing at our Ferndale, Michigan, facility. Rigorous testing is performed from wire preparation through final termination to verify weld integrity, insulation quality, and measurement accuracy.
- Our thermocouples are produced to ISO/IEC 17025 standards — The internationally recognized standard for testing and calibration laboratories. This certification is a critical qualification requirement for customers in aerospace, military and defense, medical, and automotive sectors.
- ANSI/ASTM Thermocouple Standards Compliance — All thermocouples are manufactured in compliance with ANSI/ASTM standards, ensuring accuracy, consistency, and interchangeability.
- NIST Traceable Calibration Equipment — Our calibration equipment maintains full traceability to the National Institute of Standards and Technology (NIST).
- Certificate of Conformance — Provided with every thermocouple and RTD order.
- WBENC & WOSB Certified — K-Tec Systems is a certified woman-owned business, recognized by the Women’s Business Enterprise National Council.
- Government Registered — K-Tec Systems is registered to do business with the U.S. Government. CAGE Code: 4W0S0. We are a recognized Small Business under SBA standards.
Custom Thermocouples & RTDs Built to Your Specifications
No two applications are identical. K-Tec Systems engineers each thermocouple and RTD assembly to your specific requirements, including thermocouple type, wire diameter, sheath material, insulation, and termination configuration. Our engineering team will consult with you from the start to ensure your sensing solution performs accurately under your exact operating conditions.
Our thermocouples and RTDs are engineered to withstand:
Thermocouples vs. RTDs — Choosing the Right Solution
K-Tec Systems manufactures both thermocouples and RTDs in-house, providing a single trusted source for precision temperature sensing across a wide range of applications.
Thermocouples are highly durable, capable of measuring across an extremely wide temperature range, and well-suited for high-temperature, high-vibration, and fast-response applications. They are among the most widely used sensors in industrial manufacturing and test environments.
RTDs offer superior accuracy and repeatability at moderate temperatures, making them the preferred choice where measurement precision is critical and temperatures remain within a more controlled range.
Not sure which is right for your process? Our engineering team will evaluate your requirements and make the right recommendation.
All Standard ANSI Thermocouple Types
K-Tec Systems manufactures thermocouples across all standard ANSI types. Each type offers distinct wire compositions, temperature ranges, and environmental suitability. Our engineers will assess your process parameters — including temperature range, chemical environment, response time, and measurement location — to identify the most appropriate thermocouple type for your application.
Thermocouple & RTD Applications
Our custom thermocouples and RTDs are engineered for a broad range of applications, including:
- Engine testing and dynamometers
- Gas exhaust and emissions monitoring
- Brake testing and thermal analysis
- Wind tunnel testing
- Battery testing and thermal management
- Chemical and high-caustic environments
- High-pressure systems
- Plastics processing and extrusion
- Laboratory and research environments
- Chillers and refrigeration systems
- Bottling, brewing, and beverage processing
- Mixing and batch processing
- Greenhouse and agricultural monitoring
- Water and soil temperature measurement
Industries We Serve
K-Tec Systems thermocouples and RTDs are trusted by engineers, manufacturers, and test professionals across the following industries:
| Automotive | Aerospace |
| Military & Defense | Medical & Life Sciences |
| Drone & Unmanned Systems | Energy & Battery Technology |
| Chemical Processing | Food & Beverage |
| Plastics & Manufacturing | Laboratory & Research |
| HVAC & Refrigeration | Environmental Monitoring |
| Industrial Processing |
Contact K-Tec Systems
Ready to discuss your thermocouple or RTD requirements? Our engineering team is available to help — from initial specification through final delivery.
Frequently Asked Questions
K-Tec Systems manufactures thermocouples across all standard ANSI types, including Types B, E, J, K, N, R, S, and T. Each type offers distinct wire compositions, temperature ranges, and environmental suitability. Our engineering team will assess your process parameters — including temperature range, chemical environment, and response time — to identify the most appropriate type for your application.
Yes. Every thermocouple and RTD we manufacture is custom-built to your specifications. Our engineering team works with you from initial consultation through final delivery to define thermocouple type, wire diameter, sheath material, insulation, and termination configuration for your exact operating conditions.
Our thermocouples are ISO/IEC 17025 certified — the internationally recognized standard for testing and calibration laboratories, and a qualification requirement for customers in aerospace, defense, medical, and automotive sectors. All thermocouples are manufactured in compliance with ANSI/ASTM standards, and our calibration equipment maintains full NIST traceability. A Certificate of Conformance is provided with every order.
Thermocouples are well-suited for wide temperature ranges, high-temperature environments, and applications requiring fast response or vibration resistance. RTDs offer superior accuracy and repeatability at moderate temperatures where measurement precision is critical. K-Tec Systems manufactures both in-house and can help determine the right solution for your process.
Yes. A Certificate of Conformance is included with every thermocouple and RTD order.
Yes. K-Tec Systems is a registered U.S. government supplier with CAGE Code 4W0S0 and an SBA-recognized Small Business. We are WBENC and WOSB certified. Our thermocouples are ISO/IEC 17025 certified and manufactured in compliance with ANSI/ASTM standards — meeting the qualification requirements of aerospace, defense, and medical procurement programs.
Yes. K-Tec Systems is headquartered in Ferndale, Michigan and ships thermocouples and RTDs throughout the United States and internationally.
Contact our engineering team to discuss your application requirements and request a quote. Call 248-414-4100, or reach us at contact@k-tecsystems.com.
Learning Center
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Custom Thermocouple Types adapted to your Testing Process
Choosing the right thermocouple for your testing or manufacturing process is essential to collecting accurate data and ensuring product quality and consistency.
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Which Thermocouple for the Most Accurate Measurement and Test
Thermocouples are designed for different operating conditions and choosing the right thermocouple is vital to collecting accurate temperature data.
