Guardian™ Sensor 3

The Guardian™ Sensor 3* is Medtronic’s latest sensor, with improved features designed to provide you with exceptional comfort and experience. The Guardian™ Sensor 3 attaches to the Guardian™ Link 3 transmitter to wireless send your glucose information directly to your MiniMed™ 640G insulin pump. 

*3-4 calibrations required per day


85% of users rated accuracy of the Guardian™ Sensor 3 as Good or Excellent5




  1. Christiansen M et al. Diabetes Technol Ther. 2017; 19(9): 1-11
  2. Enlite Sensor Performance Evaluation 6025991-21A1P_1 2014
  3. Guardian Sensor 3 user guide
  4. Enlite™ user guide
  5. Data on file, MiniMed 670G user experience survey, period Jun 2017 -Jan 2018, n=13571.


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© 2016 Medtronic International Trading Sarl™. All Rights Reserved. No part of this website may be reproduced or utilized in any form or by any means without permission from Medtronic International Trading Sarl. MiniMed, Bolus Wizard, SMARTGUARD, Guardian, Enlite and CareLink are trademarks of Medtronic, Inc. and its subsidiaries. CONTOUR is a trademark of Bayer Healthcare LLC.