> For the complete documentation index, see [llms.txt](https://help.aranet.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.aranet.com/aranet-cloud-page/aranet-cloud-landing-page/user-interface-and-core-features/sensors/virtual-sensors/dew-point-virtual-sensor.md).

# Dew Point Virtual Sensor

In Aranet Cloud, you can set up a Dew point sensor, which you can find under virtual sensors.\
\
When selecting it, you will be presented with this screen, where you can select the necessary sensors.:

<div data-with-frame="true"><figure><img src="https://forum.aranet.com/site/assets/files/4821/vsensor1.550x0-is.png" alt=""><figcaption></figcaption></figure></div>

The sensor itself works on the following principles:

<div data-with-frame="true"><figure><img src="https://forum.aranet.com/site/assets/files/4821/vsensor2.png" alt=""><figcaption></figcaption></figure></div>

What kind of formula does this virtual sensor use:

<div data-with-frame="true"><img src="https://forum.aranet.com/site/assets/files/4821/image-2023-5-16_11-28-40.png" alt="" width="444"></div>

Ts Dew point (Celsius degrees)

T Temperature (Celsius)

RH - Relative humidity of the air (in percent)

a = 17.625

b=243.04

<div data-with-frame="true"><img src="https://forum.aranet.com/site/assets/files/4821/image-2023-5-16_11-29-25.307x0-is.png" alt="" width="307"></div>


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