What is the FreeStyle Libre 3 PLUS Sensor?
The FreeStyle Libre 3 PLUS Sensor represents the latest advancement in continuous glucose monitoring (CGM) technology, designed to offer users highly accurate, real-time glucose data for up to 14 days. Approved for use in children aged 2 years and older, this innovative device improves upon previous models with an extended Bluetooth range of 10 metres, allowing greater freedom of movement while maintaining a reliable connection to your compatible smartphone or reader.
Ideal for people managing Type 1 and Type 2 diabetes, the FreeStyle Libre 3 PLUS Sensor delivers glucose updates every minute, making it easier to stay on top of your health with timely insights and alerts.
Key Features & Benefits
- 14-Day Sensor Wear: Longer wear duration means fewer sensor changes and more continuous glucose tracking.
- Bluetooth Range of 10 Metres: Extended Bluetooth range offers flexibility and convenience without losing sensor connection.
- Suitable for Ages 2+: Designed for younger users, including toddlers, supporting early diabetes management.
- Real-Time Glucose Data: Provides glucose readings every minute directly to your smartphone or reader.
- No Finger-Pricks Required: Enjoy a needle-free, pain-free monitoring experience.
- Water-Resistant: Safe to wear during showers, swimming, and exercise.
- Data Storage: Stores up to 14 days of glucose data internally, so no rescans are needed—ensuring your data remains accurate.
How Does It Work?
Applied to the back of the upper arm, the sensor uses a tiny filament inserted just under the skin to measure interstitial glucose levels. These measurements are transmitted every minute via Bluetooth to the FreeStyle LibreLink app on your smartphone or compatible reader. This near real-time data allows users to monitor trends and respond quickly to changes in glucose levels.
Unlike traditional finger-prick tests, the FreeStyle Libre 3 PLUS Sensor reduces discomfort and effort, providing a more seamless diabetes management experience.
Differences Between FreeStyle Libre 3 PLUS and Previous Models
| Feature | FreeStyle Libre 3 PLUS | FreeStyle Libre 2 PLUS |
|---|---|---|
| Sensor Wear Duration | 14 days | 15 days |
| Bluetooth Range | 10 metres | 6 metres |
| Minimum Age Approved | 2 years+ | 2 years+ |
| Data Storage (without rescans) | 14 days | 8 hours |
The longer Bluetooth range and extended data storage without rescans provide significant user advantages in day-to-day monitoring.
Who Should Use the FreeStyle Libre 3 PLUS Sensor?
- Children aged 2 years and older managing diabetes.
- Adults seeking continuous, real-time glucose monitoring without the hassle of finger pricks.
- Individuals wanting a device with an extended Bluetooth range for greater mobility.
- Active people who need accurate glucose data during exercise, work, or travel.
How to Apply the FreeStyle Libre 3 PLUS Sensor
- Clean the application site on the back of the upper arm using an alcohol wipe.
- Load the sensor into the applicator.
- Place the sensor on your skin and activate it by following the instructions on the FreeStyle LibreLink app or reader.
- Start monitoring your glucose levels immediately, with alerts enabled for highs and lows.
Safety and Compatibility
- The sensor features a hypoallergenic adhesive to reduce skin irritation.
- Compatible with the FreeStyle LibreLink app (available for both iOS and Android).
- Can be used alongside insulin pumps and other diabetes management systems (consult your healthcare provider).
- Always confirm sensor readings with a blood glucose meter if symptoms do not match.
Additional Resources & Clinical Guidance
For UK-based clinical advice on CGM technology and diabetes management, refer to the NICE guidelines on diabetes technology.
Learn more about diabetes management from Diabetes UK’s trusted resources: Diabetes UK – Continuous Glucose Monitoring.
Frequently Asked Questions (FAQs)
Q: Is the FreeStyle Libre 3 PLUS Sensor suitable for toddlers?
A: Yes, it is approved for children aged 2 years and older, making it accessible for early diabetes management.
Q: Can I wear it while swimming or showering?
A: Yes, the sensor is water-resistant and safe for swimming, showering, and physical activities.
Q: How often does the sensor send glucose data?
A: It transmits glucose readings every minute via Bluetooth to your smartphone or reader.
Q: How long does the sensor last?
A: Each sensor lasts up to 14 days, with data storage that eliminates the need for rescans.
Q: What is the Bluetooth range?
A: The FreeStyle Libre 3 PLUS Sensor offers a Bluetooth range of 10 metres, providing freedom to move without losing connection.
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