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Pyrometers (also IR thermometers) allow for non-contact temperature measurement on metallic and non-metallic surfaces.

The product range of Kottonau and our partners (mainly from the EU region) consists of numerous product families and thousands of product variations. We are pleased to assist you in selecting a suitable option.

In this process, the emitted infrared radiation (thermal radiation) from the measuring object is captured and converted into a temperature. This typically occurs within milliseconds (in high-speed applications, in the microsecond range). Pyrometers are particularly the preferred measuring instruments, especially in inductive heating 🔍 processes, as the measurement can be performed without interference from the electromagnetic field.

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One of the key areas where pyrometers excel is in inductive heating processes. Inductive heating involves generating heat through electromagnetic induction, commonly employed in various industrial operations such as metal processing. During inductive heating, the material being heated emits infrared radiation as a result of the induced heat. Pyrometers prove to be the preferred measuring instruments in these scenarios, primarily because their measurements remain unaffected by the electromagnetic field generated during the inductive heating process.


The ability of pyrometers to perform measurements without interference from electromagnetic fields is a critical advantage, ensuring the accuracy and reliability of temperature readings in challenging environments. In applications where other types of measurement instruments might be susceptible to electromagnetic interference, pyrometers stand out as a dependable solution.


The rapid response time of pyrometers is another noteworthy feature. The swift conversion of thermal radiation into temperature readings makes them particularly suitable for high-speed processes. Industries such as steel production, where rapid temperature changes are common, benefit significantly from the real-time temperature monitoring capabilities of pyrometers. This quick response time allows for timely adjustments and interventions, contributing to the efficiency and safety of industrial processes.


Pyrometers also demonstrate versatility in their temperature measurement capabilities. These instruments can effectively measure temperatures across a wide range, making them suitable for applications with varying temperature requirements. From low temperatures to extremely high temperatures encountered in industrial high-temperature processes, pyrometers provide a flexible and adaptable solution.


Moreover, the effectiveness of pyrometers in environments with high temperatures and challenging conditions further enhances their utility. The robust design of pyrometers allows them to withstand harsh industrial environments, contributing to their longevity and reliability. This durability makes pyrometers valuable tools in industries where extreme conditions are common.


In addition to their core function of temperature measurement, pyrometers offer various options and accessories to meet the specific requirements of different applications. These include different optics for varying measurement field sizes, both mobile and stationary solutions, and integrated features such as lasers for easier alignment with the measuring object.


In conclusion, pyrometers play an indispensable role in modern industrial measurement technology. Their ability to perform accurate and rapid temperature measurements makes them essential in processes where temperature influences are critical. From steel production to food processing and ceramic manufacturing, pyrometers contribute to ensuring the efficiency, quality, and safety of industrial processes. The unique advantages of pyrometers, such as their immunity to electromagnetic interference and versatility in temperature measurement, position them as key instruments in the diverse landscape of industrial applications.



I'm not sure which pyrometer is suitable for my project.





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Pyrometer Accessories



What influence does an incorrectly set emissivity have on temperature measurement? Is the effect constant across temperatures? Is it better to measure short-wavelength or long-wavelength? The EpsErrorCalc tool answers these questions.


EpsErrorCalc Tools


The types

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Temperature measurement in the range of 50 to 3300 °C


verschiedene Optiken verfügbar
(Messfelddurchmesser ab 0.3 mm)

ab 50 °C möglich

There are mobile and stationary solutions available with various options. Stationary systems from the M3 or H3 series come with a choice of integrated optics (manually or motor-focusable) or as a fiber optic variant (e.g., for high ambient temperatures up to 250 °C at the remote optical head). In addition, pyrometers can be equipped with an integrated through-the-lens (TTL) visor or a color camera. By default, M3/H3 pyrometers feature a visible red laser to facilitate alignment with the desired measurement object. For the mobile system (Capella C3) or high-temperature applications, this laser is green to allow marking the measuring point even on glowing objects.

Temperature measurement in the range of -50 bis 1850 °C


verschiedene Optiken verfügbar
(Messfelddurchmesser ab 1 mm)

ab 0 °C (bzw. -32 °C) möglich

There are mobile and stationary solutions available with many options.

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How can I help you?

Remo Kottonau
Application Engineer

Tel : +41 (0) 55 264 11 47
E-Mail : remo@kottonau.ch