The High-Temperature Thermocouple Experts

Get the precision measurements you need with ultra high-temperature thermocouples and industrial temperature sensors from the industry leader, Cleveland Electric Laboratories. For over 100 years, we’ve specialized in high-temperature sensing technology across industries that need accurate measurement of extreme temperatures.

Experts in High-Temperature Measurement

Industry Expertise to Meet Your Customized Needs
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A One-Stop Shop for Custom Thermocouples

Everything you need for your high-temperature thermocouples.
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Certification Lab

ANSI/NCSL from -320-2800
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The Highest Level of Accuracy

Our state-of-the-art materials testing lab delivers unparalleled accuracy, calibration, and certification.

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Industrial Thermocouple Applications

Industries where CEL high-temperature thermocouples outperform.

Industrial Temperature Sensor and Custom Thermocouple Manufacturing

Our experienced technical staff can help select the right materials and specifications based on your high-temperature process requirements. We offer a comprehensive range of high-temperature and MGO thermocouples, from vacuum sealed VFT, ceramics, and platinum thermocouples.

Additional Services

Calibration &
Certification Lab





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Defining Accuracy Standards Since 1920

CEL is a calibration and certification lab accredited to ISO/IEC17025 and ANSI/NCSL from -320-2800.

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Our Commitment to Our Industry & Local Community

We strive to not only be a leader in our industry, but also in our community. We are committed to strengthening our local economy by providing good jobs for our neighbors and supporting local charitable organizations.