Abbott FreeStyle Libre 2 Manual

Reader Symbols
Symbol What It Means
Active Sensor
Direction your glucose is going. See Checking Your
Glucose section for more information.
Caution
View previous/next screen
Notes
+
Add more information to notes
Food note
Rapid-acting insulin note
Time changed on Reader
Sound and Vibration ON
Sound ON, Vibration OFF
Sound OFF, Vibration ON
Sound and Vibration OFF
Symbol What It Means
Sensor communicating with Reader
Sensor not communicating with Reader
Blood glucose or ketone test
Settings
Control solution test result
Rapid-acting insulin calculator
Details of your suggested insulin dose
Estimated rapid-acting insulin remaining in body
Low battery
Battery charging
Sensor too cold
Sensor too hot
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Abbott FreeStyle Libre 2 Specifications

General

Sensor Life	14 days
Communication	Bluetooth
Water Resistance	IP27
Calibration	Factory calibrated
Manufacturer	Abbott
Model	FreeStyle Libre 2
Sensor Type	Flash glucose monitoring
Requires Finger Prick	No
Warm-up Time	1 hour
Operating Temperature	10°C to 45°C (50°F to 113°F)
Meter Category	Continuous Glucose Monitoring (CGM)
Accuracy	MARD 9.2%
Storage Temperature	-20°C to 60°C (-4°F to 140°F)
Compatibility	FreeStyle LibreLink app
Measurement Range	20 to 500 mg/dL
Data Storage	8 hours