Core Body Temperature Sensor for Wearable and Med-Tech Applications

Core body temperature is a vital parameter for determining an individual’s health status. greenTEG offers the world’s first core body temperature sensor for continuous and non-invasive measurements. The miniaturized sensor is ideal for the integration into wearable and med-tech devices with skin contact.  We also offer our ready-to-use wearable, CORE, as a consumer product or white label solution.  

Select below XU integration, or CORE integration for more information, or Contact us for additional information.  

gSKIN® XU integration

Integrate our Core Body Temperature sensor solution
 into your OEM device.

CORETM integration

Stand-alone CORE Body Temperature measurement wearable system ready to use


Contact us for more information 

Why core body temperature? 

Core body temperature refers to the temperature of the body’s organs. It fluctuates following physiological processes, such as circadian cycles, menstruation, illness or physical activity.

Core body temperature is a vital parameter for determining an individual’s health status.

Other devices on the market try to estimate core body temperature via skin surface temperature. Due to the complexity of thermal regulation and environmental conditions, this estimate does not come close to the accuracy and reliability of CORE.

Read more about continuous core body temperature measurement here.

 Download brochure


Above, a graph representing the measurements of core body temperature. In blue, measured with an electronic ingestible pill. The green line represents the core body temperature measured with CORE. 

Application examples

Patient Monitoring

Changes in core body temperature often provide insight on health-related problems prior to the appearance of other symptoms. Therefore, accurately monitoring the core body temperature of patients can help to identify health issues of patients at an early stage.


Learn more about patient monitoring

Workforce protection for business

Monitor the core body temperature of your workforce for early signs of potential issues, protect at risk healtcare workers in hospital and nursing homes, and get back to work with confidence reassuring staff with a safe and healthy workplace. 


Learn more about our workforce protection product


Enhanced Sports Performance


Monitoring your core body temperature during sports allows you to gain valuable insights to increase your performance and avoid dangerous situations like heat strokes.


Learn more about our sports product


Early Detection of Health-Related Issues

Many significant health issues leave traces in a person's natural day-night temperature cycle, also known as the circadian cycle. The simplest way to monitor the circadian cycle is to measure core body temperature. With greenTEG's sensor, core body temperature can be measured easily and without having a significant impact on the daily routines of the subject. Changes in the circadian cycle point to many health issues. Researchers are using our sensors to investigate; jetlag, narcolepsy, insomnia, sleep quality, burnout, Alzheimer's, Parkinson's, ovulation status, and many more.

Download use cases


Meet Us 

Due to Covid19 the planned fair visits and exhibitions had to be cancelled. Some of the events will take place as online formats. Please, follow us on LinkedIn to stay always up-to-date where we are presenting our technology.


The TV show Einstein (Swiss SRF channel) portrayed, on 10th October 2019, our core body temperature sensor as part of a research show about the prevention of neurodegenerative diseases. Click on the image below to watch the clip (it starts at minute 23:00, only in German).

Our CEO, Wulf Glatz, was interviewed at the Swiss TOP TV channel about our core body temperature sensors and their potential applications, especially regarding the COVID-19 pandemic. The interview is in German, with English subtitles available.

Press coverage about our products

2020 November: UCI WorldTeam Deceuninck QuickStep
The Wolfpack tested Core Body Temperature Device at the 2020 Giro d’Italia

2020 November - Wearable Technologies (Paywall)
Webinar : WT Studio: Greenteg – Core Body Temperature Monitoring 

2020 November - Scientific Triathlon
Podcast : Indoor bike training with World Tour level coach Kevin Poulton | EP#261

2020 November - Endurance Innovation
Podcast : 77 - Core Body Temp Sensor

2020 October - DC Rainmaker
Video : Garmin State of Sports Tech 2020 Keynote

2020 October - Semi-Pro Cycling
Podcast : How to Win an Elite Men's Mountain Bike World Cup  (19:15)

2020 October - Global Triathlon Network
Video : The Hottest Tech NOT At Kona | GTN Virtual Expo 2020

2020 September - Triathlon Magazine
CORE Body Temperature Monitoring

2020 September - Endure IQ Brew Up
CORE - Some interesting new tech

2020 August - CyclingClaude (German)
CORE – der Tour de France die Temperatur gemessen 

2020 August - StartUpTicker.CH
CORE Body Temperature to debut at 2020 Tour de France

2020 August - Cycling Passion
CORE Body Temperature to debut at 2020 Tour de France

2020 August - PEZ Cycling News
Gear Break: K-Edge, CORE, Battaglin, BOA, Look & Strava

2020 August - Cycling Industry News
CORE Body Temperature seeks to give World Tour athletes a new edge

2020 August - CapoVelo
CORE Introduces Body Temperature Monitoring System

2020 August - Tri Sport (Portuguese)
CORE Body Temperature, um dispositivo inovador

2020 August - Endurance.Biz
Heat of the moment: debut of new CORE Body Temperature device

2020 August - CyclingClaude (German)
CORE – Optimierung über die Körpertemperatur?

2020 August - DC Rainmaker
Hands-on: CORE’s New Skin/Body Temp Sensor with Garmin/Wahoo integration