The psychrometer can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The climate meter can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The digital thermometer can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The environmental meter can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The environmental tester can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The humidity detector can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The large display can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The moisture meter can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.

The temperature indicator can be connected to up to four external temperature and humidity modules. The temperature measuring range for the thermometer sensors is 0.0 … 50.0 °C and the humidity measuring range is 0.0… 99.9% RH.