# Calibration certificate in B3

The calibration certificate can be downloaded from Boomerang 3:

* from the measuring point properties window:

<figure><img src="https://2641614999-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0lFbL66Jd9kHaF8jF97P%2Fuploads%2FxbtLydbZI4RloNssT8Ro%2Fimage.png?alt=media&#x26;token=1a4967a0-245a-41bc-8bd7-da38673160c0" alt="" width="563"><figcaption></figcaption></figure>

* or from a Calibration menu accessible for administrators.

<figure><img src="https://2641614999-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0lFbL66Jd9kHaF8jF97P%2Fuploads%2Fh1H1STCygbhkhoUwQbXT%2Fimage.png?alt=media&#x26;token=6ab77307-73a3-4684-9b86-75d5f95f3e42" alt="" width="563"><figcaption></figcaption></figure>