Abbott FreeStyle Libre 3 User Manual

you feel, perform a blood glucose test on your finger to confirm your glucose. If
the problem continues, remove the current Sensor, apply a new one, and
contact Customer Service. Customer Service is available at 1-855-632-8658 7
Days a Week from 8AM to 8PM Eastern Standard Time.
Interfering Substances
Taking ascorbic acid (vitamin C) supplements while wearing the Sensor may falsely
raise Sensor glucose readings. Taking more than 500 mg of ascorbic acid per day
may affect the Sensor readings which could cause you to miss a severe low
glucose event. Ascorbic acid can be found in supplements including multivitamins.
Some supplements, including cold remedies such as Airborne
®
and Emergen-C
®
,
may contain high doses of 1000 mg of ascorbic acid and should not be taken while
using the Sensor. See your health care professional to understand how long
ascorbic acid is active in your body.
App Symbols
App icon
Alarms are unavailable
Scan New Sensor / Start New
Sensor
Direction your glucose is going.
See Understanding Your Glucose
Readings for more information
Caution
When you see this symbol
during the first 12 hours of
DOC44383_rev-C 1:14pm 22-SEP-2021

Abbott FreeStyle Libre 3 Specifications

General

Sensor Type	Continuous Glucose Monitoring (CGM)
Sensor Wear Duration	14 days
Connectivity	Bluetooth
App Compatibility	FreeStyle Libre 3 app (iOS and Android)
Data Update Frequency	Every minute
Warm-up Time	60 minutes
Accuracy	MARD (Mean Absolute Relative Difference) of 7.9%
Calibration	Factory calibrated
Battery Life	Sensor lasts for 14 days, no battery replacement required
Data Storage	8 hours of data stored on the sensor
Alerts	High and low glucose alerts
Measurement Range	40 to 400 mg/dL (2.2 to 22.2 mmol/L)