> For the complete documentation index, see [llms.txt](https://enless.gitbook.io/centre-aide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enless.gitbook.io/centre-aide/guides-installation/capteurs/editor-3/utilisation/calibration-du-co.md).

# Calibration du CO₂

TX CO2 T\&H AMB : calibration du CO₂

Le TX CO2 T\&H AMB est livré pré-calibré. Si vous constatez un décalage des valeurs CO2 mesurées dans le temps vous avez la possibilité de les re-calibrer manuellement sur une base « fresh-air ». Pour s’assurer de la meilleure calibration possible, nous vous recommandons de calibrer les produits en suivant la procédure ci-dessous.

## **Procédure de calibration** CO₂

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td><ol><li>Lorsque le capteur est alimenté, positionnez le proche d’une fenêtre. La fenêtre doit être ouverte afin que l’air dans lequel le transmetteur se calibrera soit sain.</li></ol></td><td><a href="https://1364423745-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FMo869zhwa4OIXiQ5yvX5%2F600_053_Setup_1.png?alt=media&amp;token=9c89556d-43d8-4989-aab0-089805950a3b">600_053_Setup_1.png</a></td></tr><tr><td><ol start="2"><li>Appuyez sur le bouton poussoir du capteur jusqu'à ce que la LED orange s'allume. Ne relâchez la pression que lorsque la LED orange s'allume (après environ 15s). Cela signifie que le process de calibration s’est activé.</li></ol></td><td><a href="https://1364423745-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2Fqfd20bPvfMsOeGyhsTpa%2F600_053_Setup_2.png?alt=media&amp;token=bdaf592d-96b4-4f9f-8cbb-1ed09540d46b">600_053_Setup_2.png</a></td></tr><tr><td><ol start="3"><li>Eloignez-vous du capteur et laissez la calibration se faire. Le processus dure environ 3 minutes. La LED orange flash périodiquement durant la phase de calibration.</li></ol></td><td><a href="https://1364423745-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FsEcECwvPSG0kRbR34Bop%2F600_053_Setup_3.gif?alt=media&amp;token=1d5b7eeb-db92-4ee5-8b30-48f9947df179">600_053_Setup_3.gif</a></td></tr><tr><td><ol start="4"><li>Lorsque les LEDs cessent de clignoter cela veut dire que la calibration est terminée. Vous pouvez reprendre le capteur et l’installer à son emplacement définitif.</li></ol></td><td><a href="https://1364423745-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FiVQN4wgVNGvIJjpBTHzj%2F600_053_Setup_4.png?alt=media&amp;token=51a9e4e2-b749-4a19-a7b2-d314bd756570">600_053_Setup_4.png</a></td></tr></tbody></table>


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