# 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>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.aranet.com/aranet-cloud-page/aranet-cloud-landing-page/user-interface-and-core-features/sensors/virtual-sensors/dew-point-virtual-sensor.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.