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Hardware Overview

Technical Specifications & Features

What's in the Box

Your Calera package includes everything needed to start measuring core body temperature (Picture 1) :

  • Calera Device
  • 6x white liner patches
  • Securing clips
  • Magnetic USB Charging Cable
  • Bluetooth Dongle  -  For PC/Mac connectivity

Device Specifications

Physical Design

  • Dimensions: 50mm × 40mm × 8.5mm
  • Weight: Only 17 grams
  • Material: Durable, skin-compatible polymer
  • Water Rating: Waterproof up to 5 feet
  • Design: Fully sealed with no moving parts

Performance Features

  • Battery Life: 6.5 days continuous operation
  • Data Storage: 6.5 days of high-resolution data
  • Sampling Rate: 1Hz for logging mode and 1 minute for measuring mode
  • Skin Temperature Accuracy: ±0.1°C
  • Core Temperature Accuracy: ±0.21°C
CALERA RESEARCH_Calera Research Device_A-166255_box components_highres
1. What's in the box
CALERA RESEARCH_Calera Research Device_A-166255_standalone-front_highres 1
2. Top view of Calera Device (LED Indicator)
Image-Sep-02-2025-01-44-50-2741-PM

3. Charging Contacts

Image (2)-3
4. Sensor Area

Device Components

LED Status Indicator (Picture 2)

Location: top left corner

When shaking the device firmly for 2 seconds

  • Flashing green: Device is on and connected
  • No Light: Device off or battery depleted

Charging Contacts (Picture 3)

Location: Top of Device

  • Magnetic connection for secure charging
  • Waterproof design when not charging
  • 2-hour charge time for full battery

⚠️ To reset the device, brush the charging cable over the sensor area.
 This action will stop all active logging mode measurements. Use caution when charging.

Sensor Area (Picture 4)

Location: Bottom surface (skin contact)

  • Unique device ID - Six-segment identifier displayed as X#:X#:X#:X#:X#:X#
  • Heat flux sensor - Measures thermal energy transfer
  • Temperature sensor - Measures skin temperature