Abbott Libre 3 User Manual

Starting Your Sensor
Start a new Sensor by scanning it with your phone.
IMPORTANT:
The App requires that your phone has the correct date and time for recording
your health information. Your phone’s date and time should be set to update
automatically. You can check this in your phone settings.
When using the App, you should keep your phone well charged and be sure you
have access to a blood glucose monitoring system.
iPhone: The NFC (Near Field Communication) antenna is on the top edge of the
phone. Scan your Sensor by touching the Sensor with the TOP of your phone.
Move your phone around slowly if needed. Proximity, orientation, and other
factors can a"ect NFC performance. For example, a bulky or metallic case can
interfere with the NFC signal. Keep in mind that the ease of scanning a Sensor
ART42490-004_rev-B 4:05pm 03-May-2023

Abbott Libre 3 Specifications

General

Sensor Type	Continuous Glucose Monitoring (CGM)
Connectivity	Bluetooth
Wear Duration	14 days
Calibration	Factory calibrated
Mobile App	FreeStyle Libre 3 app
Warm-up Time	1 hour
Readings Frequency	Every minute
App Compatibility	iOS and Android
Operating Temperature	10°C to 45°C
Storage Temperature	4°C to 25°C
Accuracy	MARD of 9.2%
Battery Life	Sensor is disposable, no battery replacement needed