# How to use a temperature element different from type K

{% hint style="warning" %}
Only applicable for NEON Temperature Transmitters using protocol v3 and v4
{% endhint %}

The NEON Temperature Transmitter is configured by default to use a type K thermocouple. Using another temperature element is possible by changing the configuration of the transmitter once provisioned. The configuration can be changed by generating a downlink using the [NEON configurator](https://neon-configurator.twtg.io/) and sending the downlink using the LoRa Network Server (LNS).

### Protocol v3

In the **Application Configuration** tab, in the field **Sensor Type** change the selection to the desired temperature element. 

<figure><img src="/files/m4B6GG0LkLdRduBWKRP4" alt=""><figcaption><p>Example of Sensor Type being changed</p></figcaption></figure>

Click **Encode** and send the downlink to the device through fPort 15. The device will reboot once the downlink is received changing its configuration.

### Protocol v4

In the **Sensor** tab, in the field **Sensor Type** change the selection to the desired temperature element.&#x20;

<figure><img src="/files/aIZizFKAhnVBxI9SY5kK" alt=""><figcaption><p>Example of Sensor Type being changed</p></figcaption></figure>

Click **Encode** and send the downlink to the device through fPort 7. The device will reboot once the downlink is received changing its configuration.


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