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Dexcom ONE Sensor - 3-Pack

The Dexcom ONE sensor continuously measures glucose levels just beneath the skin. Each sensor comes with an auto-applicator making insertion very quick and simple. Each sensor can be worn up to 10 days. Enjoy up to 30 days of continuous glucose monitoring with each Sensor 3-Pack.
€ 118,90
Tax Included
In stock · Limit 3 Per User
This product is only compatible with other Dexcom ONE products and compatible smart devices.

Smartphone Compatibility Check compatibility with your smartphone

Free Adhesive Overlay Patches (10-Pack)
Free Adhesive Overlay Patches (10-Pack)
You qualify for FREE Overlay Patches. Limit 1 Per Order.
Dexcom sensors are manufactured with a special adhesive to help them stick to your skin after sensor insertion. However, skin types differ and you may notice that your sensor patch begins to peel off before the end of your sensor session. This pack of 10 overpatches may help keep adhesive secure and clean.
All sales are final. There are no returns or exchanges. For more information, please review the Using Your Dexcom ONE Guide. To report a defect, please contact our Technical Support Team
How Dexcom ONE works
Dexcom ONE sensor and applicator

A small discreet sensor measures glucose just beneath the skin.

Person applying Dexcom ONE sensor to abdomen

The transmitter sends a glucose readings every 5 minutes to your compatible smartphone°

Person checking data on Dexcom ONE app

The Dexcom ONE app shows you where your glucose levels are, and where they are heading.

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Dexcom ONE subscription

Get all your Dexcom ONE supplies delivered to your door, with automated payments and shipments. The easiest way to enjoy the full-time wear of Dexcom ONE, whilst making the best savings! 

Your Smartphone compatibility

In order to use to use the Dexcom ONE app, you first need to ensure that it your smartphone's model and operating system is compatible with our app.

You may also need
Dexcom ONE Transmitters

The Dexcom ONE transmitter snaps into the sensor and sends real-time glucose readings wirelessly to a compatible smartphone°.

Have questions about the Dexcom ONE CGM System?

° For a list of compatible devices, visit

ˣ Shah VN, et al. Diabetes Technol Ther. 2018;20(6):428–433.

Please review the Using Your Dexcom ONE Guide before using. Indications, contraindications, warnings, precautions and other important user information can be found in the product instructions included with the Dexcom ONE. Discuss with your healthcare professional how you should use the information displayed on Dexcom ONE to help manage your diabetes. The product instructions contain important information about troubleshooting and the performance characteristics of the system.