Testo Sensor GmbH

Your specialist for temperature measurement technology

Application-specific temperature probes

As a global specialist and OEM supplier of temperature probes and thermocouples, we design the ideal probe for your specific measuring task by working closely with our customers. 

Here, you get everything from one source:
the application-specific design, the samples and prototypes, right through to the production-ready article, the comprehensive qualification and the stable, high reproducible series production.

Testo Sensor GmbH is exhibiting at ISH 2025

Innovative solutions and expertise: Visit us at ISH 2025 in Frankfurt

From March 17 to 21, 2025, the ISH in Frankfurt – the world’s largest trade fair for water, heating and air conditioning – will once again open its doors. We will be taking part again this year and you can find us in Hall 11.2, Stand E 20, with our partner H&S Sensortechnik from Austria. Together, we will be presenting pioneering temperature sensors and sensor technology that are specially designed to meet the requirements of heating, air conditioning and refrigeration technology.
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Why visit us?

Our products stand for precision, reliability and innovation, all of which are indispensable in an industry that is increasingly focusing on energy efficiency and sustainability. Our experts will be on hand to show you our latest developments, understand your individual challenges and requirements, and discuss solutions with you. Find out how our customized solutions can make your processes more efficient, whether it’s through innovative materials, precise measurement technology or durable components. We look forward to welcoming you at ISH 2025 in Frankfurt and exploring the possibilities of working together with you!

Testo Sensor GmbH

Testo Sensor GmbH was founded in 2010 as a subsidiary of Testo SE & Co. KGaA. As measuring technology experts, we have specialized in the development and manufacture of customer-specific temperature probes. As a skilled partner and OEM supplier to our customers, we deliver the complete package: the technical solution, the necessary quality, the appropriate supply logistics and the right price.

Focusing on OEM customers in these areas

  • Heating systems
  • Professional coffee machines
  • Mechanical engineering

Production facility in Shenzhen/China
Sample and prototype construction as well as small series production in Lenzkirch
Special probe construction for Testo instruments in Lenzkirch

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Part of a strong group of companies

Testo SE & Co. KGaA

Portable and stationary measuring technology and hand-held measuring instruments

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Testo Sensor GmbH

Customer-specific temperature probes for specific OEM applications

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Testo Industrial Services

Calibration and validation services

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Testo SE & Co. KGaA - global supplier of measuring technology

Testo Subsidiaries and Sales partners worldwide
Testo Subsidiaries and Sales partners worldwide
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