> For the complete documentation index, see [llms.txt](https://docs.revrobotics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.revrobotics.com/ion-control/ionsensors/through-bore-encoder.md).

# Through Bore Encoder

The REV Through Bore Encoder is specifically designed with the end user in mind, allowing teams to place sensors in the locations closest to the rotation that they wish to measure. This rotary sensor measures both relative and absolute position through its ABI quadrature output and its absolute position pulse output.

<figure><img src="/files/n9k7uXfAKWddLMXpOphI" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
*Check out our documentation of the* [*Through Bore Encoder*](https://docs.revrobotics.com/rev-crossover-products/sensors/tbe)*.*
{% endhint %}


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