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Unlock Your Product's Potential with Calera®

Your OEM Solution for Core Body Temperature Monitoring in Consumer and Medical Wearables.

Explore our range of validated algorithms developed in combination with our unique heatflux sensor based hardware chip solution.

The future of Fever Monitoring

Our Wrist Algorithm for Fever Tracking. Explore how we can integrate into your smart watches or wearables.
The future of Fever Monitoring

Offering Parents Peace of mind

Chest Fever Algorithm for Babies, that provides continuous, accurate data without disturbing infants during sleep.
Offering Parents Peace of mind

Medical Grade Accuracy

Providing remote patient monitoring. Our chest algorithm for Daily Life and Fever Tracking offers real-time, accurate data that helps medical professionals to plan their resources according to patients' needs.
Medical Grade Accuracy

For the Serious Athelete

Upper Arm Algorithm for Sports, for improved performance training. Proven to impact athletes' training results.
For the Serious Athelete

Customized Solutions for Your Consumer needs

Upper Arm Algorithm for Daily Life and Fever Tracking. For various scenarios used by workers in various industries or leisure.
Customized Solutions for Your Consumer needs

The future of Fever Monitoring

Our Wrist Algorithm for Fever Tracking. Explore how we can integrate into your smart watches or wearables.
The future of Fever Monitoring

Offering Parents Peace of mind

Chest Fever Algorithm for Babies, that provides continuous, accurate data without disturbing infants during sleep.
Offering Parents Peace of mind

Medical Grade Accuracy

Providing remote patient monitoring. Our chest algorithm for Daily Life and Fever Tracking offers real-time, accurate data that helps medical professionals to plan their resources according to patients' needs.
Medical Grade Accuracy

For the Serious Athelete

Upper Arm Algorithm for Sports, for improved performance training. Proven to impact athletes' training results.
For the Serious Athelete

Customized Solutions for Your Consumer needs

Upper Arm Algorithm for Daily Life and Fever Tracking. For various scenarios used by workers in various industries or leisure.
Customized Solutions for Your Consumer needs

The future of Fever Monitoring

Our Wrist Algorithm for Fever Tracking. Explore how we can integrate into your smart watches or wearables.
The future of Fever Monitoring

Offering Parents Peace of mind

Chest Fever Algorithm for Babies, that provides continuous, accurate data without disturbing infants during sleep.
Offering Parents Peace of mind

Medical Grade Accuracy

Providing remote patient monitoring. Our chest algorithm for Daily Life and Fever Tracking offers real-time, accurate data that helps medical professionals to plan their resources according to patients' needs.
Medical Grade Accuracy

For the Serious Athelete

Upper Arm Algorithm for Sports, for improved performance training. Proven to impact athletes' training results.
For the Serious Athelete

Customized Solutions for Your Consumer needs

Upper Arm Algorithm for Daily Life and Fever Tracking. For various scenarios used by workers in various industries or leisure.
Customized Solutions for Your Consumer needs

Why choose greenteg?

With a rich history dating back to 2009, greenteg has been at the forefront of developing state-of-the-art technology for core body temperature monitoring. Our solution has undergone extensive research in clinical studies, rigorous testing in scientific test series, and continuous refinement. Today, it stands as a highly reliable and scalable solution, ready for widespread adoption in the mass market.

Join the growing global community benefiting from the Caleragt Solution, as we revolutionize the way core body temperature is monitored through seamless integration with wearable technologies.

  • Customized Solutions for Your Wearables: We offer tailor-made solutions to suit your specific wearable device.
  • Highly Reproducible Thermal Signals: Our technology ensures consistent and reliable thermal signals.
  • No Calibration Hassle: Our solutions eliminate the need for factory or on-body calibration.
  • Medical Grade Accuracy: Our algorithms provide accurate readings for chest, upper arm, and wrist measurements.
  • Development Support: We help throughout your development process, including medical applications.
Learn more about Heat flux and its types

The Heatflux Solution

Our solution combines Heatflux as the primary component for non-invasive core body temperature tracking, a skin temperature sensor, algorithm integration for your microcontroller, and our expertise in integration.

Algorithm Portfolio Our algorithms for Core Body Temperature monitoring are developed and validated in collaboration with renowned researchers and hospitals.

  • Chest Algorithm for Daily Life and Fever Tracking
  • Chest Fever Algorithm for Babies
  • Upper Arm Algorithm for Daily Life and Fever Tracking
  • Upper Arm Algorithm for Sports and high activity
  • Wrist Algorithm for Fever Tracking, sports, high activity and daily life

Interested in core body temperature monitoring for OEM integration?

Do you want to access the validation studies for our algorithms, or see the technical details of the CALERA® solution for OEM? Visit our product page.