> For the complete documentation index, see [llms.txt](https://docs.mclimate.eu/mclimate-lorawan-devices/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-ht-sensor-lorawan/ht-sensor-lorawan-device-communication-protocol/temperature-and-humidity-compensation.md).

# Temperature and humidity compensation

## Measured temperature compensation

This command is used to set/get the measured temperature compensation in °C.

*The actual keepalive payload is omitted for clarity.*

{% hint style="warning" %}
This command/functionality is supported only for devices with Firmware version ≥2.2
{% endhint %}

{% tabs %}
{% tab title="SET" %}

| **Byte index** | **Hex value - Meaning**                                        |
| -------------- | -------------------------------------------------------------- |
| 0              | 31 - command code                                              |
| 1              | <p>00: Positive compensation<br>01: Negative compensation</p>  |
| 2              | <p>XX - Tcomp\[°C] \* 10<br><strong>Default: 0x00</strong></p> |

**Example command**: 0x31000F – When we separate the value of the temperature from the command code we get 0x**000F,** which means positive compensation of 1.5°C. Thus, if the real measured temperature is 25, the device will report 26.5.
{% endtab %}

{% tab title="GET" %}

| **Byte index** | **Hex value - Meaning**                                       |
| -------------- | ------------------------------------------------------------- |
| 0              | 32 - command code                                             |
| 1              | <p>00: Positive compensation<br>01: Negative compensation</p> |
| 2              | XX - Tcomp\[°C] \* 10                                         |

**Example command**: 0x32

**Example command**: 0x320103 – When we separate the value of the temperature from the command code we get 0x**000F,** which means negative compensation of 0.5°C. Thus, if the real measured temperature is 25, the device will report 24.7.
{% endtab %}
{% endtabs %}

{% hint style="info" %}
The allowed range is -25.5... 25.5°C (0.1°C resolution).
{% endhint %}

## Measured humidity compensation

This command is used to set/get the measured humidity compensation in %.

{% hint style="warning" %}
This command/functionality is supported only for devices with Firmware version ≥2.2
{% endhint %}

*The actual keepalive payload is omitted for clarity.*

{% tabs %}
{% tab title="SET" %}

| **Byte index** | **Hex value - Meaning**                                       |
| -------------- | ------------------------------------------------------------- |
| 0              | 33 - command code                                             |
| 1              | <p>00: Positive compensation<br>01: Negative compensation</p> |
| 2              | <p>XX - Hcomp\[%] \* 10<br><strong>Default: 0x00</strong></p> |

**Example command**: 0x310005 – When we separate the value of the humidity from the command code we get 0x**0005,** which means positive compensation of 5%. Thus, if the real measured humidity is 55, the device will report 60.
{% endtab %}

{% tab title="GET" %}

| **Byte index** | **Hex value - Meaning**                                       |
| -------------- | ------------------------------------------------------------- |
| 0              | 34 - command code                                             |
| 1              | <p>00: Positive compensation<br>01: Negative compensation</p> |
| 2              | XX - Hcomp\[%] \* 10                                          |

**Example command**: 0x32

**Example command**: 0x320103 – When we separate the value of the humidity from the command code we get 0x**0003,** which means negative compensation of  3%. Thus, if the real measured humidity is 50, the device will report 47.
{% endtab %}
{% endtabs %}

{% hint style="info" %}
The allowed range is -99... 99% (1% resolution).
{% endhint %}


---

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