---
title: Research Applications | About | CALERA Research
description: Explore the diverse applications of CALERA® Research, offering real-time core body temperature monitoring for sleep research, fever detection, ovarian cycle studies, and more.
---

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# Turning ON and wearing the Device

From Power-On to Perfect Positioning

## How to Turn ON Your Calera

Your Calera device uses motion activation for reliable startup:

💡Prior to initial startup, make sure to charge the device for 2 hours

1. Shake the device for 2-3 seconds
2. Watch for LED confirmation - Green light flashing indicates successful activation
3. The device is now ready for connection and measurement

❗Important Notes 

Battery check -If the LED does not light up, the battery is low—please charge the device before use.

## Wearing the Device for Optimal Results

**Recommended position**: Chest, apical area

- Highest accuracy for core body temperature measurements
- Algorithm optimization designed specifically for chest placement
- Clinical validation performed with chest positioning

Alternative Placement Options

- - Upper arm - Acceptable accuracy with slight reduction
    - Stomach or back - Possible, but contact the Calera team first
    - Other locations - Always consult with Calera research support

## Attachment Methods

### Medical-Grade Adhesive Patches

Blue Liner Patches - Best for Sensitive skin applications

Sports Patches, white liner - Best for high-intensity activities and sports studies

### Chest Strap Integration

Compatible with the included Calera chest strap or any standard heart rate monitor strap. The device clips securely into the strap's integrated mounting system. We recommend using the securing clips to ensure the device stays on the strap.

![CALERA RESEARCH_Calera Research Device_A-166255_chest-patch-closer_lowres](https://27184589.fs1.hubspotusercontent-eu1.net/hub/27184589/hubfs/CALERA%20RESEARCH_Calera%20Research%20Device_A-166255_chest-patch-closer_lowres.jpg?width=1200&length=1200&name=CALERA%20RESEARCH_Calera%20Research%20Device_A-166255_chest-patch-closer_lowres.jpg)

**Calera is attached to the chest with a patch**

![CALERA RESEARCH_Calera Research Device with HRM_A-16625_chest-farther_highres](https://27184589.fs1.hubspotusercontent-eu1.net/hub/27184589/hubfs/CALERA%20RESEARCH_Calera%20Research%20Device%20with%20HRM_A-16625_chest-farther_highres.jpg?width=1200&length=1200&name=CALERA%20RESEARCH_Calera%20Research%20Device%20with%20HRM_A-16625_chest-farther_highres.jpg)

**Calera attached to chest with chest strap**

[< Hardware overview](https://info.greenteg.com/calera-research/manual/hardware_overview?hsLang=en)

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