Guardian Sensor 3

Guardian Sensor 3

Medtronic Diabetes

Guardian Sensor 3 integrates with the MiniMed 770G and MiniMed 630G insulin pumps. Featuring a diagnostic chip that automatically monitors sensor health every five minutes to improve sensor performance and reduce variability, Guardian Sensor 3 is the most accurate Medtronic sensor to date.


  • Alerts and Alarms
  • Long Transmitter Range
  • Short Warm-Up Time
  • Transmits Data Continuously
  • Approved for Use in Kids
  • Sends Data to Smart Device
  • Combo pump-CGM


Integrated CGM
Transmitter & Sensor Size:
1.41 x 1.13 x 0.38 in.
Transmitter & Sensor Weight:
0.04 oz. with sensor
Calibration Details:
Calibrate every 12 hours. Blood sugar (blood glucose) levels must be between 40 and 400 mg/dl to calibrate.
Sensor Duration:
7 days
Transmitter Range:
The transmitter must be within 20 feet of your mobile device.
Warm-Up Time:
2 hours
Battery Type:
Rechargeable transmitter. Charger uses 1 AAA battery.
Data-Management Software:
Automatically and continuously sends data to the user’s MiniMed Mobile app and web-based CareLink data-management software. Compatible with most Windows and Mac operating systems.
Approved Ages: