# How does a Dexcom Continuous Glucose Monitor work? **URL:** https://forum.fudiabetes.org/t/how-does-a-dexcom-continuous-glucose-monitor-work/2292 **Category:** Tipwiki **Tags:** wiki, cgm, dexcom **Created:** [October 8, 2017, 2:46pm UTC](https://forum.fudiabetes.org/t/how-does-a-dexcom-continuous-glucose-monitor-work/2292 "2017-10-08T14:46:38Z") **Posts on this page:** 1 **Showing post:** 9
### Author: ![Michel](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/michel/32/387_2.png) [@Michel](https://forum.fudiabetes.org/u/Michel) #### Post date: [October 9, 2017, 5:50am UTC](https://forum.fudiabetes.org/t/how-does-a-dexcom-continuous-glucose-monitor-work/2292/9 "2017-10-09T05:50:44Z")
**Resources: official Dexcom info** [Dexcom: what is Continuous Glucose Monitoring?](https://www.dexcom.com/continuous-glucose-monitoring) [Dexcom: the Dexcom G5 CGM system](https://www.dexcom.com/g5-mobile-cgm) [Dexcom: Dexcom Clarity](https://www.dexcom.com/clarity) [Dexcom: Dexcom Studio](https://www.dexcom.com/dexcom-studio) [Dexcom: Moble apps](https://www.dexcom.com/apps) **Resources: Nightscout** [Nightscout: Welcome to Nightscout](http://www.nightscout.info/) [Nightscout: How do you get your CGM in the sky?](http://www.nightscout.info/wiki/faqs-2/how-do-you-get-your-cgm-in-the-cloud) **Resources: changing transmitter batteries** [iFixit G4 battery replacement guide](https://www.ifixit.com/Guide/Dexcom+G4+Batteries+Replacement/55536) [Joern’s guide to G4 battery replacement](http://www.tudiabetes.org/forum/t/changing-the-flat-batteries-of-a-dead-dexcom-g4-transmitter-instruction/14755) [Youtube: Vince P’s G4 battery replacement demo](https://www.youtube.com/watch?v=TLkyev3lWWw) [Thingiverse: G5 battery cover](https://forum.fudiabetes.org/t/g5-transmitter-battery-cover-for-battery-change/2308) * * * * * * * * * _End of wiki ---------- comments start here_ --- _[View the full topic](https://forum.fudiabetes.org/t/how-does-a-dexcom-continuous-glucose-monitor-work/2292)._