• Compact: 50 mm x 40 mm x 8.35 mm and weighs 12 grams
• Highly accurate core body temperature: ±0.3 °C
• Non-invasive (used on the chest) and continuous
• Not impacted by environment thermal influences
• Battery life: 6 days continuous 
• Rechargeable lithium-polymer battery (via USB cable supplied)
• Waterproof up to 1.5m and sweat proof (IP68 Certification)
• Bluetooth BLE & ANT+ Connectivity
• App support: iOS, Android

• Article Number: A-166255
• Dimensions (Diameter X Thickness X Hight): 50 mm * 40 mm * 8.35 mm
• Mass Including Battery: 17 grams
• Power Supply: Rechargeable lithium-polymer battery (via USB)
• Battery Life: 6 days of measuring
• Data Storage Capacity: up to 6.5 days
• Sampling Rate: 1 Hz
• Skin Temperature Accuracy: ±0.05°C (typical) or ±0.13°C (max) from 20°C to 42°C
• CBT Accuracy (Chest) Compared To Electronic Ingestible Pills: ± 0.28°C (1σ) ;± 0.21°C (MAD) (chest)
• Calibration: Individual calibration at greenteg
• Charging Time: ~ 2 hours (full battery)
• Waterproof: Waterproof (immersion to 1.5 m) and sweat proof
• Product Features:
  • Smartphone application (Android/iOS/WatchOS/Wear OS/Garmin)
  • Live display of current skin and body temperature (via app)
  • Standard BLE temperature profile for any devices 

• Raw Data Access
  • More data stream; E.g. core temp / skin temp / accelerometer / Heart rate (ext. device) / Heat flux*
  • Highest resolution (1 measurement per second)
• Remote Support 
  • We can help you in setting up your studies
  • Data interpretation support
• Highest Accuracy
  • Individually calibrated devices
• Store Data on CALERA
  • 6,5 days of storage time 
  • No loss in data due to bad connection
• Research tool
  • Control multiple devices simultaneously from your PC/MAC
  • manage download of the data in easily accessible .csv file

*Heat flux is only available on agreement

• CALERA Research measuring device
• USB charging cable
• Adhesive patches
• CALERA quick start guide, warranty and manual
• CALERA Research app 
• Research tool for Mac/Windows