What do I need to pay attention to when applying the sensor?

Written by Lukas
Updated 10 months ago
  1. Clean the part of your upper arm where you want to place the sensor. Use some regular soap to remove oil on your skin and dead skin. Use regular soap to remove any oil or dead skin. After you wash off the soap, let that part of your arm dry completely.
  2. After cleaning your skin, wait until it is completely dry (do not blow) before attaching your FreeStyle Libre Sensor.
  3. Find the right spot. Place the sensor on a squishy part of your upper arm. You should avoid muscle tissue. You can do a “touch test” before application. Feel different parts of your upper arm and choose a place that feels soft.
  4. Make the move test. Place the sensor somewhere that doesn’t impair you when exercising or moving your arm. This way, you can avoid rubbing it off accidentally. You can do a couple of steps (with arm swings) or a typical exercise you do often (e.g.: push-ups, squats or a yoga pose) to see your range of motion and where a sensor could be placed without being in the way.
  5. Choose the right side. Unless you sleep on your belly or back you probably have a preferred side you sleep on. We recommend placing the sensor on the arm you usually don’t sleep on. So if you usually sleep on the right side of your body, place the sensor on your left upper arm.
  6. Timing is everything. Make sure that you do not eat 2hrs before or after applying the sensor.

  7. Leave your arm and skin relaxed when applying the sensor. 

    Otherwise, there might be problems with attaching the sensor to the skin and it might not stick well.

  8. Double-check the adhesive. After placing your sensor, ensure the edges of the sticker stick firmly to your skin. Just press them down all around the sensor or draw a couple of circles around the sensor with a small spoon.
  9. After applying the sensor, avoid doing sports, taking a shower or swimming for about 1-2 hours. This way, the adhesive can warm up a bit and stick better to your skin. This makes the sensor also less likely to come off later.
  10. Use additional protection. We would recommend placing a patch on your sensor for additional protection, especially if you move a lot and do sports regularly. If you don’t have a patch, you can use physio tape to protect the sensor. 
  11. Note when jumping into the water: The sensor is waterproof in up to 1 meter water depth for up to 30 minutes.

Enjoy your exploration journey!

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