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  1. Home
  2. Research
  3. Interface
  4. Core Body Temperature Sensing

Core Body Temperature Sensing

Wearables that track internal body temperature continuously without invasive probes
Back to InterfaceView interactive version

Core body temperature sensing wearables provide continuous, non-invasive monitoring of the body's internal temperature, which is more accurate and clinically relevant than skin temperature measurements. These sensors use advanced algorithms and multiple measurement points to estimate core temperature from surface measurements, accounting for environmental factors, activity levels, and individual variations. The technology enables real-time tracking of core temperature changes, which is critical for detecting fever, monitoring health conditions, optimizing athletic performance, and preventing heat-related illnesses.

Continuous core temperature monitoring is valuable for early detection of infections and fevers, monitoring recovery from illness, tracking menstrual cycles, optimizing sleep quality, and managing heat stress during exercise or in hot environments. The non-invasive approach makes it practical for everyday wear, unlike traditional methods that require invasive probes. The sensors can detect subtle temperature changes that may indicate health issues before symptoms become apparent. Applications include health monitoring for vulnerable populations, athletic performance optimization, workplace safety in hot environments, and general wellness tracking. The technology provides actionable insights for maintaining optimal health and preventing temperature-related health complications.

Technology Readiness Level
5/9Validated
Impact
3/5Medium
Investment
3/5Medium
Category
Hardware

Related Organizations

greenTEG logo
greenTEG

Switzerland · Company

99%

Swiss company developing heat flux sensors and TEGs for core body temperature monitoring and energy harvesting.

Developer
Kenzen logo
Kenzen

United States · Startup

95%

wearable device platform that predicts and prevents heat stress, overexertion, and injury.

Developer
Blue Spark Technologies logo
Blue Spark Technologies

United States · Company

92%

Creator of TempTraq, a wearable Bluetooth temperature patch for continuous fever monitoring.

Developer
Cosinuss logo
Cosinuss

Germany · Company

90%

Develops in-ear wearable sensors that capture vital signs, including precise core body temperature.

Developer
SlateSafety logo
SlateSafety

United States · Startup

90%

Produces rugged wearable armbands for real-time physiological monitoring, focusing on heat exertion and core temp estimation.

Developer
Vivalnk logo
Vivalnk

United States · Company

90%

Provider of wearable sensors and a medical data platform for decentralized clinical trials and patient monitoring.

Developer
BodyCAP logo
BodyCAP

France · Company

85%

Specializes in miniaturized wireless monitoring devices, including the e-Celsius ingestible pill for core temp.

Developer
Dräger logo
Dräger

Germany · Company

85%

International leader in the fields of medical and safety technology.

Developer
Empatica logo
Empatica

United States · Company

80%

Develops medical-grade wearables (Embrace) monitoring EDA and physiological signals.

Developer

Supporting Evidence

Paper

A Comprehensive Review of Non-Invasive Core Body Temperature Measurement Techniques

Sensors (MDPI) · Feb 2, 2026

A comprehensive review of non-invasive core body temperature (CBT) measurement techniques, including in-ear sensors, infrared thermography, ingestible telemetric sensors, and heat-flux-based techniques, evaluating their accuracy and usability for continuous monitoring.

Support 95%Confidence 98%

Paper

iThermonitor: A wearable non-invasive high-precision alternative to traditional temperature monitoring in thoracoscopic surgery of lateral decubitus position

Journal of Clinical Monitoring and Computing · Sep 2, 2025

Clinical trial evaluating the iThermonitor, a wireless wearable axillary thermometer, as a non-invasive alternative to esophageal or rectal thermometry during surgery, demonstrating its precision and utility.

Support 92%Confidence 95%

Article

Core Body Temperature and JonDeTech sensors

JonDeTech · Dec 17, 2025

Report on the JIRS30 heat flux sensor which enables continuous core body temperature monitoring in a wrist device, achieving a bias of less than 0.2 °C compared to thermometer pills.

Support 85%Confidence 88%

Connections

Hardware
Vital Signs Monitoring Radar

Contactless monitoring of heart rate and breathing using low-power radio waves

Technology Readiness Level
4/9
Impact
3/5
Investment
3/5
Hardware
Hardware
Contactless Wi-Fi Sensing

Monitors heart rate, breathing, and presence by analyzing how Wi-Fi signals reflect off the human body

Technology Readiness Level
4/9
Impact
3/5
Investment
3/5
Applications
Continuous Cuffless Blood Pressure

Wearable sensors that track blood pressure continuously without inflatable cuffs

Technology Readiness Level
9/9
Impact
3/5
Investment
3/5

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